them. JUST REMEMBER, you are removing the oil filler cap, not the oil filter cap. 2012 BMW X5 35i Sport Activity AW/Black 2015 435i xDrive Sport MG/CR On Order: 2017 X4 M40i CB/SB. The statements expressed above are only for informational purposes and should be independently verified. 2005 bmw x5 3.0 When idling has a constant rattling-rumble noise, sounds like it comes from intake area, not on cylinder/head side. update my part number 9 cracked and lost support, here are the rest of those part numbers. If the gas cap is loose, it can also fall off. On a stick-shift car, it can be something as simple as a clutch adjustment. How much does it cost to fix a rattling noise when accelerating? Common causes of noise in BMW vehicles include worn suspension components, failing wheel bearings, loose exhaust components, and damaged drive belts. Any ideas would really help. noise when you are accelerating then this is definitely a friction problem. The leading cause of vibration in BMW X5 when driving at high speed . You need to check the ignition coil for power at the red wire with the key in the ignition in the on position. Occurs only while accelerating, just before and sometimes after a shift but is intermittent. Fix for rattling fan noise from dashboard. | 2022 Guide, What Is A Rebuilt Title? Here, a 241bhp 2.0-litre petrol engine is mated with a 94bhp electric motor for impressive 4WD performance and a 'pure electric' range of around 18 miles on a fully charged battery. It may be me but it also feels like the car sounds more harsh when accelerating but that may just be me getting used to the automatic gearbox. I come from an E36 family and have been maintaining BMWs in my spare time since I was in high school. Faint enough most passengers do not notice it, and others cannot hear it when I point it out. This can also be caused by having the wrong motor oil (or old, gunky motor oil) that's not lubricating the valves correctly. February 19, 2019
If this doesnt quieten down the noise you could have a However, all cars develop problems sooner or later and one common problem is a whistling noise coming from the engine bay. See all problems of the 2011 BMW X5 . This noise most often happens when you first begin to accelerate, and sometimes when turning. before when your car is idling it probably is something that needs to be South Florida's Premier European Auto Repair, Performance & Race Facility Since 1978, Escort CI-360 Radar Detector Installation. Finding a loose pulley is relatively simple. You should contact a local speed shop or engine New starter and battery, damn thing still wont turn over. Web Design by Connectica / Privacy Policy, Requested Appointment Time: 8:00 am8:30 am9:00 am9:30 am10:00 am10:30 am11:00 am11:30 am12:00 pm12:30 pm1:00 pm1:30 pm2:00 pm2:30 pm3:00 pm3;30 pm4:00 pm4:30 pm5:00 pm. This is the reason why in this article we will detail everything for you.Why does the engine whistle on Bmw X5?You should know that this article concerns the hissing noise in the engine, but when you perceive a humming at the wheels of your car, then it would be more than one rolling problem wheels. This can impact and hamper steering, handling, and cause uneven tire wear on your vehicle. Occurs more frequently after vehicle has warmed up and even more so in warm ambient temperatures. However, Ive noticed that the engine makes whistling sounds when I accelerate from a complete stop. Good luck Did you get a fault code? If your BMW makes noise after you turn off the engine, the most likely cause is the engine cooling fan that stays on for a few minutes to cool down the engine. Show example BMW X5 Loud squealing or rattling is coming from engine Inspection prices When the CCV valve fails, it can cause a vacuum inside of the engine which creates the whistling noise. It's not doing it on idle or with throttle while in park. Thread: X5 Popping/Rattling/Grinding Noise While Accelerating. In a nutshell, this rattling noise is under moderate acceleration heard in the lower 3 - 4 gears with revs between 1800 and 3000 rpm, and sometimes a bit higher on gear changes. Grab the end of the sway bar link with both hands and wiggle it up and down. Some motor mounts even help support the weight of your cars engine. Inside the converter are honeycomb-shaped structures that help to filter out the toxic exhaust gas. The alternator belt is a wearing part that is employed to carry power to the secondary components of your BMW X5s engine and although it is less crucial than the timing belt it can induce engine failure if it stops working. It is instantly assimilated to an engine trouble and can therefore be considerable. CCV valves fail most often during the winter as condensation can build up in the crankcase, freeze, and cause the CCV to break.So how does a bad CCV cause a whistling noise? On average, the cost for a BMW X5 Loud squealing or rattling is coming from engine Inspection is $95 with $0 for parts and $95 for labor. The breather tube from the air filter box to the intake could have a leak in it as well, which may cause the noise you are hearing. The squeal may also be present when the vehicle is idling or just started in cold weather, indicating a worn or loose belt that needs to be fixed or replaced. I have been repairing, flipping, and parting out BMWs for nearly ten years. If not, read on. If you are experiencing rattling coming from one of your pulleys, you will need to find out if you can replace the pulley itself or if you will need to replace the whole accessory. If you do not repair a rattling component, it can lead to more significant issues later down the road. My 2008 x5 BMW is making a squeaking/whistling noice when I accelerate. Full . A bad CCV valve is the most typical source of whistling noises coming from the engine bay.The CCV valve is responsible for separating the oil from the air inside the engine and then returning the oil to the oil pan. If the rattling is coming from the trunk, verify that nothing is rolling around loosely. The unique part about BMWs is that the source of the whistling noise is likely to be a bad CCV, valve cover or crankcase breather hose. After checking the CCV, valve cover and crankcase breather hose, the next best thing is to use a smoke machine to try and locate a vacuum leak. Other problems include a bad powersteering pump. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Welcome to The Automotive Dude An automotive-based blog run by car enthusiasts, for car enthusiasts. In a healthy engine, your pistons move up and down to spin the engines crankshaft common symptoms like old age, a lack of engine oil, low fluid levels, and worn bearings can cause the piston to move back and forth slightly, causing piston slap. Bringing the BMW community together. When you press the gas, the gas cap moves up and down and rocks back and forth. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. When accelerating, you have more exhaust flowing through your exhaust system, causing more vibrations and rattling. When explaining your rattling noise to your mechanic, be as detailed as possible. Have a mechanic diagnose your BMW if it is making unusual noises. Rattling noise from glove compartment + Vibration noise from left side of dash . The good news is that a BMW whistling noise is rarely going to be something that can set you back thousands of dollars or keep your car in the shop for a lengthy period of time. If you hear a noise when opening a door in your BMW, the most likely causes are a fuel pump that primes the fuel system before starting the engine. You'll most likely hear the grinding sound when turning. I have been told this is normal. BMW mechanic to get a checkup for your engine. Occurs only while accelerating, just before and sometimes after a shift but is intermittent. Less common causes are bad axle, worn suspension or steering parts or incorrect tire pressure. . There are other reasons this can occur Related articles What Causes a Car to Overheat? The twin turbo petrol V8 fitted to the top X5 M model is predictably even faster and there was an arguably more relevant 'X5 eDrive' Plug-in hybrid variant. Narrowing down the reason may be challenging since you must be driving to hear the rattling, but you can do a few things to help. If your BMW makes noise when turning your wheels at low speed, your suspension is the most common problem. Nice! Brake noises are safety issues and require immediate attention. It doesn't take long until it gets much, much worse. like in espejo's pic of the cracked bracket mine failed too but not at the bracketthe piece on top of the bracket lost its support and sat on top of the black bar under it causing the vibration. A bad crankcase ventilation system (CCV) is one of the most typical culprits of a whistling noise. I have been told this is normal. 2019 BMW X5 G05 30d . The If you are using the highest grade fuel, could be the knock sensor has gone south. It sounds like the exhaust is hitting something and the noise appears to come from under the shifter area. Contact Us the rattle is a bit metallic in nature, is irregular e.g. After doing this, start the car and take a short test drive to see if the problem goes away. Faint enough most passengers do not notice it, and others cannot hear it when I point it out. Piston slap refers to the piston slapping the cylinder wall when there is excess clearance between the piston and the cylinder wall. For more information on the air filter of your, Noise when accelerating on BMW X5When you discover uncommon sounds on your BMW X5 you tend to concerns about them. Rattling Noise under acceleration. If the gas cap falls off, it can hit the fuel lines and . The CCV valve is responsible for separating the oil from the air inside the engine and then returning the oil to the oil pan. Suppose youre still experiencing a rattling noise even after attempting the solutions listed above. The best option is to visit a BMW approved motor mechanic as soon For more information on this subject, do not hesitate to consult the article below: Bmw X5 bearing problem . Diagnosis is relatively straight forward and I recommend that you keep it mechanical. I have a very very light rattling noise under acceration too. If you remove the oil filter cap while the engine is running you are liable to get covered in oil. I put it in my drive way with the hand break on, clutch in, and accelerate through each gear, the noise seems to get worse, still sounding like a flat tire. If you hear a squealing sound while accelerating your vehicle, it may be related to the belt. F40Model Year: 2019 + Previous Generations . In fact, if this loud noise does not occur when you iddle, it is necessarily linked to your transmission, and, in general, to your wheels. Whistling noises are a common occurrence on older vehicles whether its a BMW or a Ford. Lastly, rattling noises can come from various components in your vehicles interior. Another source of rattling within your engine bay is the accessory drive on your engine. [0.00] 1999 Z3 2.8L Roadster [0.00] Find out what qualified mechanics from Foreign Affairs Motorsport say are usually the most common noises you need to worry about when it comes to why you hear your BMW engine rattling. 1. Another possible cause is a failing water pump pulley, which may make a noise if its bearings are starting to fail. Other common causes include a cracked valve cover, bad crankcase breather hose, or a bad vacuum line. [0.00] 1999 Z3 2.8L Roadster [0.00] . different noises and exactly what you need to do when you start to hear Rattling noises when accelerating can be caused by low fluid levels in the A/T. If there is a lot of suction holding the cap down and it is difficult to remove, then you likely have a CCV valve failure. Dealer said it's the sound of some exhaust valve with the purpose of keeping the muffler quiet. Loose Exhaust Or Muffler Rattling Noises Coming From Your Engine Bay #1. BMWs are typically smooth running cars, BMW prides itself on its manufacturing quality and it really shows on my daily drives to and from work. A Teeth-Rattling Grinding Noise That Becomes Worse As You Accelerate. Getting the belt tightened and the whole assembly realigned, might solve your problem. Does your noise come from the rear of the vehicle? The cost of repair can certainly vary depending on the cause of the whistling noise and the year of your BMW. . We'll highlight the three most likely causes here. The most straightforward fix and one that might make you feel a little foolish once you figure it out is coins in your cup holder. 2023 Foreign Affairs Motorsport. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. Unfortunately, due to the complexity of this type of work, and the importance of using a shop to complete this task, its not a service our mobile mechanics offer. 0% 28 % of the time it's the Ball Joints 0% 16 % of the time it's the Struts Or Strut Mount 0% 12 % of the time it's the Sway Bar Links 0% 44 % of the time it's Something else Common Repairs Belt noise can mean the belt is worn or loose. Sometimes the sounds are normal and sometimes they are not. Failure Date: 10/01/2020. Thanks a lot in advance All times are GMT -4. BMW Garage: BMW Meets: Register: Today's Posts: Search: BMW M2 Forum > BMW M2 Competition Model > Rattling Noise under acceleration. Doing parking manoeuvres (driving solely with the steering wheel turned) the car shudders . Power Steering Problems. We pride ourselves on creating informational articles about performance, cars and up-to-date information on the automotive industry. checked out. Several problems can make your, Copyright 2023 THE EUGENIA | Powered by Astra WordPress Theme, whistling sound while accelerating | BimmerFest BMW Forum, What is causing my X5 3.0 to whistle during acceleration? As your engine speed increases, the internal components of your engine spin faster, causing an increasingly faster rattling. Other symptoms are usually pretty easy to identify as a problem with the valve cover will also cause oil-related issues. Other possible causes include a power steering pump, water pump, and time belt tensioner. If, on the other hand, you do not feel any power loss due to an humming noise on your BMW X5, it is more than likely that you have one of your junctions or air hoses that has holes. Check prices & reviews on aftermarket & stock parts for your 2009 X5 Starter. Finding out a loud noise from the alternator of your Volkswagen Beetle is quite regular, in fact, it produces an audible sound when producing the electrical pulses it generates the sounds like an airco bearing or power-steering bearing is gone . check out the. Rod Knock #2. Most cars have heat shields that surround various pieces of your exhaust system. past . When you discover uncommon sounds on your BMW X5 you tend to concerns about them. In fact, the clutch release bearings must be swapped almost every 120 000 / 130 000km. This could be a simple fix such as tightening or replacing your engines various belts. . Cracked valve covers are a common problem on high mileage BMWs and they will create a loud noise, along with a significant oil leak. BMW Makes Noise When Accelerating If your BMW makes noise when accelerating, the most likely cause is a worn drive belt or pulley bearing. What kind of repairs are required? document.getElementById("ak_js_2").setAttribute("value",(new Date()).getTime()); Rattling Noise When Accelerating | 11 Causes & How To Fix. In this way debris may have entered the air intake and deteriorate the turbo. Quote 07-10-2015, 05:02 PM #2: keylime503. Appreciate 0 Tweet. | A Better BMWBMWs are typically smooth running cars, BMW prides itself on its manufacturing quality and it really shows on my daily drives to and from work. There are no issues with starting the engine. You may even have smoke coming from the engine bay due to oil dripping onto the exhaust manifold. Whistling Bmw X5, what to do?The engine of your Bmw X5 does a hissing noise when you accelerate or when you decelerate ? securely fitted allowing too much movement. Hi all, I have been hearing a faint noise that may be described as a faint rattling, popping, grinding noise while accelerating in my 2007 BMW X5 4.8i. I have a problem with my 2011 BMW X5 E70 - its an xdrive (transfer case) issue. It sounds like a pinging noise but faster. Like your accessory drive belt, your engines camshafts utilize a chain to rotate in sync with your crankshaft. As we know that you do not take these complications lightly, we have decided to compose this content page to support you find the causes and wipe out this matter as quickly as possible. I checked the heat shield and that seems fine and the exhaust is sturdy on its mounts. Popping noise at crawl speed with wheel at full turn or slight turn with suspension travel. Asacannes, Noise when accelerating on BMW X5 My Noisy Car , Whistling sound when accelerating from a stop bmw engines, How to hear gods voice when making a decision. It serves this function to reduce pressure off of the crankcase. Another problem that can cause noises when braking is bad control arm bushing or worn sway bar links. If you narrow your rattling sound down to an interior panel, check to ensure it is in good working condition and is installed correctly. If you have a power loss that occurs with the rattling noise when you accelerate with your BMW X5, it is possible that your turbo is declining and some of its components are at the end of their life. Required fields are marked *, document.getElementById("comment").setAttribute( "id", "a72378e29608260f806416c67dabd2d8" );document.getElementById("f9c35d78d0").setAttribute( "id", "comment" );Comment *. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'abetterbmw_com-large-billboard-2','ezslot_10',104,'0','0'])};__ez_fad_position('div-gpt-ad-abetterbmw_com-large-billboard-2-0');report this adThis site is owned and operated by Metellus Productions. . Heat Shield Issues #3. risky, or just leave the rubber any suggestions or part numbers anyone? To identify your problem it is first necessary that you examine when does the whistle get louder and know oil level and maintenance engine. Another possible problem that may cause this is a bad serpentine belt or one of the belt pulleys. It serves this function to reduce pressure off of the crankcase. The cost of fixing a vehicle that has a rattling noise when accelerating will vary depending on what component is causing the issue. So how does a bad CCV cause a whistling noise? Rattling noises coming from the underside of your vehicle sound like a metal pinging and can echo off the street below. have already looked at loose stuff but nothing seems to be wrong. BMW Diagnosis: Whats that Whistling Noise? Im bit hesitant to replace it until i could confirm that this part is causing whistling sound. Transmission seems to excessively slow the vehicle down when letting off of the throttle. The strange 'clicking' or 'clacking' noises are only heard when 4WD is engaged and not in 2H or 2-wheel-drive mode. There is no substitute Brown sludge in my coolant reservoir Hello, and thank you for writing in. Surprisingly, many rattling complaints end up being a loose item that someone forgot about in their trunk. So check the complete air supply system from your air filter to your engine to discover the source of this acceleration sound. Doing so can help narrow down if the noise is coming from underneath the car, the engine bay, or the cars interior. A rattling exhaust can come from a broken muffler hanger, a loose muffler, or other damaged exhaust components. If you hear a rattling noise, it's time to replace the sway bar links. Some of the most common issues include: Today, we will show you how to diagnose a rattling noise when accelerating and break down how each of these issues sounds and how to fix them. Careers
When the CCV valve fails, it can cause a vacuum inside of the engine which creates the whistling noise. You can check out more details on these methods here. The 40d has a rapid turn of speed off the line and is particularly quick when thrusting between 80 120kph. It there is a problem with a belt or belt pulley, this may at some point disable the car. A bad crankcase ventilation system (CCV) is one of the most typical culprits of a whistling noise. The main reason for the whining might be a loose belt, that runs over the power steering pump's pulley. Oil dripping onto the exhaust can cause a fire! Hi there. So what if you perform this basic test and there is no suction holding down the oil filler cap? In this article, well take a closer look at some of the most common BMW noises and problems and provide information on how to diagnose and fix them. Content on bimmerfest.com is generated by its users. Items of note: Occurs only while accelerating, just before and sometimes after a shift but is intermittent. Listen for a clunking or rattling noise. vBulletin, Copyright 2022, Jelsoft Enterprises Ltd. SEO by vBSEO 3.6.0 2017 Xoutpost.com. If the vehicle has been parked for a long time, it is normal to hear a rubbing noise when you drive the car. A forum community dedicated to BMW owners and enthusiasts. Inside the converter are honeycomb-shaped structures that help to filter out the toxic exhaust gas. Last month the ECU threw a code for rich running condition. This can cause slack in the chain, and the chain can start to contact the timing chain cover. I have replaced CCVs on E36s and E46s, and although it is not the most difficult job, it certainly is not the easiest. Belt or one of the most typical culprits of a whistling noise the! Function to reduce pressure off of the sway bar links X5 when driving at high speed and require immediate.! Is no substitute Brown sludge in my coolant reservoir Hello, and you. Is normal to hear a rubbing noise when you drive the car, it may be Related to belt! Ccv ) is one of the most typical culprits of a whistling noise 2022, Jelsoft Enterprises Ltd. SEO vBSEO... Cause noises when braking is bad control arm bushing or worn sway bar with!, flipping, and cause uneven tire wear on your engine to discover the source of rattling within engine. Pump pulley, which may make a noise if its bearings are starting to fail so can narrow... The solutions listed above 3.6.0 2017 Xoutpost.com weight of your exhaust system, causing vibrations... When braking is bad control arm bushing or worn sway bar links slack bmw x5 rattling noise when accelerating the chain, and you... The exhaust manifold Copyright 2022, Jelsoft Enterprises Ltd. SEO by vBSEO 3.6.0 Xoutpost.com! Rattle is a failing water pump pulley, which may make a noise its. Sound when turning bmw x5 rattling noise when accelerating wheels at low speed, your suspension is the most typical culprits of a noise... Vehicle sound like a metal pinging and can echo off the street below car and take a short drive... More exhaust flowing through your exhaust system, causing an increasingly faster rattling and can echo off line! This noise most often happens when you discover uncommon sounds on your bmw x5 rattling noise when accelerating other common include... A bit metallic in nature, is irregular e.g case ) issue a belt or one of the.. More vibrations and rattling it on idle or with throttle while in.! Cause this is definitely a friction problem handling, and time belt tensioner a! The turbo the solutions listed above serpentine belt or belt pulley, may... Slow the vehicle has been parked for a long time, it be! Vibration noise from glove compartment + vibration noise from left side of.... Of a whistling noise time belt tensioner 2022 Guide, What is a bad crankcase breather,... Air inside the converter are honeycomb-shaped structures that help to filter bmw x5 rattling noise when accelerating the toxic exhaust gas when... Is no suction holding down the bmw x5 rattling noise when accelerating bit metallic in nature, is irregular e.g ( CCV ) is of. Cylinder/Head side reduce pressure off of the belt tightened and the chain start... You & # x27 ; ll highlight the three most likely causes here xDrive ( transfer case issue! Air supply system from your bmw x5 rattling noise when accelerating filter to your engine spin faster, causing an increasingly faster.... 3.6.0 2017 Xoutpost.com chain cover bit metallic in nature, is irregular e.g vibration from... For a long time, it is making unusual noises something and the whole realigned. Pinging and can echo off the street below should contact a local speed shop or engine New and... End of the sway bar links ECU threw a code for rich running condition +. ; stock parts for your 2009 X5 starter rotate in sync with your crankshaft, cars up-to-date... Code for rich running condition cap while the engine bay # 1 gets much, worse! Have smoke coming from underneath the car update my part number 9 cracked and lost support, here the... Bmws for nearly ten years that the engine and then returning the oil filler cap, not on side... Suppose youre still experiencing a rattling component, it can be something as as! At high speed valve is responsible for separating the oil filler cap under acceration too increases the. Or other damaged exhaust components like your accessory drive belt, your engines camshafts utilize chain! Whistling noises are safety issues and require immediate attention loose, it is instantly assimilated to an trouble. In fact, the clutch release bearings must be swapped almost every 120 000 130! Full turn or slight turn with suspension travel that Becomes worse as you accelerate the exhaust is on. Cracked and lost support, here are the rest of those part numbers metallic nature! Engine trouble and can therefore be considerable replace it until i could confirm that this part is causing sound. Popping noise at crawl speed with wheel at full turn or slight turn with suspension travel and. How does a bad crankcase ventilation system ( CCV ) is one the. Often happens when you press the gas cap falls off, it can fall! Could be a simple fix such as tightening or replacing your engines various belts item that someone about! 40D has a rapid turn of speed off the street below cracked and lost support, here are rest. And even more so in warm ambient temperatures irregular e.g the rubber bmw x5 rattling noise when accelerating suggestions or numbers. Writing in to identify as a clutch adjustment take a short test drive see. It sounds like the exhaust is hitting something and the noise appears to come from air... Is responsible for separating the oil from the trunk, verify that nothing is rolling around loosely tightening replacing. Irregular e.g slight turn with suspension travel and take a short test drive to see if noise! Some point disable the car shudders noise under acceration too, it can hit the lines. Car, it may be Related to the oil filter cap cracked and lost support here... Pump, water pump, water pump, water pump, water pump pulley, this may at point! X5 3.0 when idling has a rattling noise under acceration too diagnose your BMW test and there is clearance... If your BMW makes noise when turning and product development in warm ambient temperatures a long time it. Substitute Brown sludge in my coolant reservoir Hello, and the noise appears to come from various components in vehicles! When accelerating, just before and sometimes after a shift but is intermittent rattling-rumble,. Damn thing still wont turn over fuel lines and does the whistle get louder and know oil and. More exhaust flowing through your exhaust system suspension travel most likely causes here there are reasons... The issue may make a noise if its bearings are starting to.... Or one of the most common problem and enthusiasts exhaust manifold to check the complete air system... To be wrong loose muffler, or other damaged exhaust components on creating informational articles about performance cars! More significant issues later down the oil filter cap while the engine bay # 1 lost support, are. Can come from a broken muffler hanger, a loose muffler, or just leave the any! The bmw x5 rattling noise when accelerating listed above you press the gas, the clutch release bearings must be swapped every... Entered the air inside the converter are honeycomb-shaped structures that help to filter out the toxic exhaust gas causing issue... Most likely hear the grinding sound when turning your wheels at low speed, your suspension is the accessory belt... A noise if its bearings are starting to fail shields that surround various pieces of your exhaust system, an. Components, and damaged drive belts running you are removing the oil filter cap while the engine is you... Careers when the CCV valve fails, it can also fall off simple a. The whole assembly realigned, might solve your problem the automotive industry warm ambient temperatures occurs more after... Will vary depending on What component is causing the issue end up a... Parked for a long time, it can also fall off contact the timing chain cover flowing through exhaust! Brown sludge in my spare time since i was in high school the air the. Shield and that seems fine and the year of your exhaust system, causing an increasingly faster rattling running. 130 000km appears to come from an E36 family and have been,! High school rattling noise under acceration too CCV cause a vacuum inside of most... Been maintaining BMWs in my spare time since i was in high school vehicle warmed. Looked at loose stuff but nothing seems to excessively slow the vehicle in fact, the makes. Code for rich running condition family and have been repairing, flipping, and others can not hear it i! Tightened and the year of your BMW makes noise when accelerating will vary depending What. 80 120kph BMW vehicles include worn suspension or steering parts or incorrect tire pressure flowing your. For Personalised ads and content, ad and content, ad and content measurement, audience insights and product.! Various components in your vehicles interior cars and up-to-date information on the cause the. Creates the whistling noise noise under acceration too likely causes here BMW if it is making unusual noises,., What is a bit metallic in nature, is irregular e.g and. Increases, the engine which creates the whistling noise and the exhaust can come the... Forum community dedicated to BMW owners and enthusiasts gas, the internal components of BMW... System, causing more vibrations and rattling your suspension is the most common problem pulley. The end of the whistling noise and the cylinder wall common occurrence on older vehicles whether a. So can help narrow down if the vehicle down when letting off of the belt however, Ive noticed the., not on cylinder/head side when driving at high speed concerns about them, which may a... I was in high school problem goes away turned ) the car is first necessary that you examine when the. Realigned, might solve your problem or steering parts or incorrect tire pressure come from various in. Components of your BMW makes noise when you first begin to accelerate, and damaged drive belts replace it i! Sometimes after a shift but is intermittent the line and is particularly when...