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      01-23-2013, 04:42 PM   #11
Brigadier General

Drives: 2009 335 coupe.
Join Date: Jan 2010
Location: Toronto, Ontario

iTrader: (0)

Originally Posted by BMWWW View Post
The reason why there are turbo timers are because if you drive spirited, and then shut off the car right away, the oil in oil-cooled turbos will just boil and cook. Turbo timers keep the engine running, and keep the oil circulating to get a chance to cool down sufficiently. I'm not scientist, I don't have a thermostat hooked up to the oil temps, but it's always good practice (certainly with older turbo'ed cars), to lay off the go pedal a few minutes before reaching your destination/sit in your car while checking your phone.
I know how they work. Have you ever heard of one seizing from overheating?