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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > 335i - Turbos Failing?



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      07-10-2020, 06:45 AM   #1
snaeem155
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335i - Turbos Failing?

Hi All,

I have an 07 e93 335i with 67k on the clock and what are the factory fit turbos, its also never been walnut blasted but all other maintenance has been done by the book at BMW.

I get the feeling that something isnt right with the turbos for two reasons, firstly I have heard a very feint chattering type noise between 2-3k when I am driving which makes me think its the famous wastegate issue albeit I cant reproduce the sound when the car is idling.

Secondly I have never ever managed to break traction with DTC completely off, launching it in 1st (its the zf auto) it just lazily comes to life and then takes off as I would expect around 2.5krpm onwards. This was on a private road and even brake boosting it couldnt break traction. I don't think its due to me having amazing tyres either. My friend in a 320i managed to break traction with minimal effort.

Does this sound like the turbos are on their way out?

Thanks!
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      07-10-2020, 09:27 AM   #2
Chappers 71
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Yeah that does sound like wg rattle, mine rattled for around 20k before they had to be replaced. Only became a problem when eml came on every time I accelerated hard.

Did you press & hold DTC button long enough to turn of DTC?
Mine has always taken of like a scolded car & yes with DTC fully of I can get some wheel spin if I try but generally it just digs in & goes.
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      07-10-2020, 09:35 AM   #3
snaeem155
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Yep, DTC fully off not in dynamic mode.
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