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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Turbo Cooldown - How long should you wait to turn off the car?



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      12-13-2007, 11:02 AM   #1
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Turbo Cooldown - How long should you wait to turn off the car?

Hey folks,

This is my first boosted car, but seeing that I can't find anyone locally to install a remote starter w/ a turbo timer to shut off the car, how long should you realistically wait to cool down the turbo's to shut off the car safely?

If I turn off the car immediately, I keep hearing these ticking sounds like metal is starting to compress very fast and going brittle and what not.... don't know how else to explain it.

Thanks.
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      12-13-2007, 11:04 AM   #2
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It was a built in electric pump to cool down the turbos...so u don't need a turbo timer...the sound ur hearing is normal cool down procedure
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      12-13-2007, 11:07 AM   #3
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That loud ticking your hearing is more likely comming from your exhaust system as it cools it will make that noise - it should go away after a while - it did the same thing on my car.

There is no turbo cool down needed - car has a electric water pump that will run when car is off (as stated above) there is no cool down needed.
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