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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > N20 engine noise on "cold" start
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      07-26-2012, 11:55 AM   #23
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They sound like a diesel at idle to me regardless if they are cold or warmed up.
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      02-11-2013, 03:42 AM   #24
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Quote:
Originally Posted by E30M3Driver View Post
They sound like a diesel at idle to me regardless if they are cold or warmed up.
When i drove mine home it was nice sound. I went for a drive now and i was like "is this diesel?" sounds ugly even after doing for a spirited drive.
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      09-24-2013, 01:30 AM   #25
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I also noticed that at low speed after starting the engine, every time i lift my foot off the gas pedal, there is a "ssssss" noise coming from the engine or exhaust, it gets annoying as everytime i touch the gas pedal this noise comes out. this noise goes away when i switch to sport mode though. anyone else noticed this and know where the noise is coming from?
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      09-24-2013, 11:04 AM   #26
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Look on the bright side, the poor chaps with diesels have to put up with this dreadful noise all the time (and it is louder!)
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      09-24-2013, 11:43 AM   #27
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Quote:
Originally Posted by ruzzi View Post
I also noticed that at low speed after starting the engine, every time i lift my foot off the gas pedal, there is a "ssssss" noise coming from the engine or exhaust, it gets annoying as everytime i touch the gas pedal this noise comes out. this noise goes away when i switch to sport mode though. anyone else noticed this and know where the noise is coming from?
its the turbo. lol
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      09-24-2013, 01:14 PM   #28
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Quote:
Originally Posted by ruzzi View Post
I also noticed that at low speed after starting the engine, every time i lift my foot off the gas pedal, there is a "ssssss" noise coming from the engine or exhaust, it gets annoying as everytime i touch the gas pedal this noise comes out. this noise goes away when i switch to sport mode though. anyone else noticed this and know where the noise is coming from?
That's the turbo and I find it to be such an awesome sound! I feel like a little giggly kid every time I hear it
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      09-24-2013, 01:34 PM   #29
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although one of my friend gave me shit for it: vroom pshhhh vroom psshhh
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      09-24-2013, 05:48 PM   #30
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I'm sure glad I came across this thread. The first time I started my car in the garage I jumped out and looked under it to see if the exhaust was properly attached! Sounds terrible.
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      09-25-2013, 02:10 AM   #31
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Quote:
Originally Posted by Avian View Post
That's the turbo and I find it to be such an awesome sound! I feel like a little giggly kid every time I hear it
yea but it only sounds like a proper turbo wastegate in sports mode. the sound i am talking about is only in the comfort and eco-pro mode, it happens with even slightest touch on the gas pedal. and it sounds more of like a rapid "click click click..." sound. i can be wrong since i never owned any turbo cars before, but in sports mode this sound goes away and i can hear the proper turbo valve sound.
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      09-25-2013, 10:47 AM   #32
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Quote:
Originally Posted by ruzzi View Post
yea but it only sounds like a proper turbo wastegate in sports mode. the sound i am talking about is only in the comfort and eco-pro mode, it happens with even slightest touch on the gas pedal. and it sounds more of like a rapid "click click click..." sound. i can be wrong since i never owned any turbo cars before, but in sports mode this sound goes away and i can hear the proper turbo valve sound.
Hmm... Interesting I've never heard this "clicking" noise you talking about. The F30 I'm driving always sounds decent (turbo) no matter what mode I'm in.
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      09-25-2013, 11:05 AM   #33
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Originally Posted by adelphi_sky View Post
I could care less what a car sounds like as long as it drives like a bat outta hell. That's where the real excitement comes from.
Wrong...the noise the car makes is half the excitement. And too bad no 328i "drives like a bat outta hell." Looks like a lose-lose.
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      09-25-2013, 11:13 AM   #34
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Originally Posted by CurlyFatAngry View Post
The only reason I like auto start stop is in traffic lights no one hears that awful sound.
Ha! You've got me thinking..
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      09-26-2013, 11:53 AM   #35
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