Re: Help! 2008 bmw 328i . It makes this noise after i drive it for 10 min or so. I am in Orange County, CA so the temperatures are roughly in the 60s to 70s. Hello there and welcome to the BMW Car Club of America. By ... My bmw makes a whistling noise after driving on … what whistle are you referring to. I also heard a loud whistling noise. 2008 bmw 328i . Let the engine idle for 15-30 seconds and reevaluate whether the noise is still present or not. I have an E90 N51 (SULEV) and this is the 2nd time this whistling sound along with rough idle has happened. What exactly is the car doing. 2011 328i "Kettle whistling" sound at idle.. - Answered by a verified BMW Mechanic. Engine noise is still present – repeat the procedure; perform steps #1 and #2 up to a maximum of 5 times. The whistle is loud like a tea kettle. Will need to change but must get BMW Asia approval to … 2008 bmw 328i . I raised the car fairly high to install some carbon fiber bits and am now hearing a loud vibration sound … Comments: My 2007 bmw E90 323i is making a whistling noise,and learnt is a crankcase vent valve,mine is black plastic covered. My 2011 BMW 328i Is making a loud whistle sound with rough idling. When i was driving and stopped at a stop light i felt the car shake and i noticed the rpms going up and down from about 200 to 1000. Rough idle , and slight whistling noise 3 Answers. Why my BMW E46, BMW E60, E90 does rev on its own, intercooler full of oil, turbo hose oil leak, oil leak from turbo return pipe seal, oil leak from turbo intercooler, car revving up and down on its own, engine revving on its own, engine revving by itself during cold start, rough idle vibrating shaking? Does the car sound funny when idling, like it is almost misfiring. ... 7 Responses to BMW E90 valve train (lifter) tick/noise. Rough idle , and slight whistling noise 3 Answers. SOURCE: whistling noise in engine and rough idle. Rough idle with a whining noise from the front of the engine compartment only at idle. Can tell you mine idles at around 600 - 700 rpm and when I just come to a stop the car will dip sometimes to below 500rpm and then back up to 600rpm. We use cookies to give you the best possible experience on our website. also, there is a little intake whistling noise as well. This is a famous noise that some of you BMW owners have heard,,,,the check engine light was on,,,,the car had a lean mixture on both banks,,,,I test drove the vehicle and there was no noise,,,I also had the car idling for about 15 minutes,,,,still no noise so I checked fuel pressure was ok,,,I then … I also heard a loud whistling noise. when i accelerate, usually from 60-70 i hear a little whistle but that is just the sound of the engine. My car was fully warmed up after a long 50 minute commute with a mix of typical rush hour traffic speeds up to 70-75mph. is it separate or built in valve cover. The idle speed is not very smooth, and now the lefthand side of the engine has developed a metallic tinkering sound which appears to disapear when. all bmw's, at least all the e46's i sat in have the same whistle. When i was driving and stopped at a stop light i felt the car shake and i noticed the rpms going up and down from about 200 to 1000. check all vacuum hoses,sounds like a leak, try spraying carb cleaner near noise,if engine rpms go … Tester said something abt the final drive differential. It pulls hard, no knocking or tickling noise when car is idle. ... Home Forums > Model Discussions > 3 Series > E90/E91/E92/E93 (2006-2011) > Loud Vibration at Idle. April 20, 2015 Followup from the Pelican Staff: If you have a plastic valve cover, it is part of the valve cover. Engine quiet – procedure is finished. 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