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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 > do I Have to cool down my turbo?



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      12-28-2007, 12:23 AM   #1
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do I Have to cool down my turbo?

after drive the car do I have to wait for few minutes to cool down the turbo? some advice here thanks
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      12-28-2007, 12:33 AM   #2
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      12-28-2007, 12:34 AM   #3
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WTF?

Yes you have to put a bag of ice on them every time your done driving. Did you get the memo from BMW after you bought it?
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      12-28-2007, 12:39 AM   #4
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Quote:
Originally Posted by Chrisalano22 View Post
WTF?

Yes you have to put a bad of ice on them every time your done driving. Did you get the memo from BMW after you bought it?
He was referring to the older turbo'd cars where you need to just let the car run for a minute or so after a drive so the oil wouldn't clog up..hence why a lot of those cars have turbo timers.

Like already stated...you don't need to do this with the car. Unless you've been driving HARD NON STOP and just come to an abrupt stop, I wouldn't worry about it.
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      12-28-2007, 12:52 AM   #5
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Quote:
Originally Posted by wj4 View Post
He was referring to the older turbo'd cars where you need to just let the car run for a minute or so after a drive so the oil wouldn't clog up..hence why a lot of those cars have turbo timers.

Like already stated...you don't need to do this with the car. Unless you've been driving HARD NON STOP and just come to an abrupt stop, I wouldn't worry about it.
I'd hope he'd know better than that after paying what he did for the car. Yes the older turbo's needed more care after driving hard on them but a stock turbo in recent years shouldn't have that problem. Now superchargers are a different story and yes actually a bag of ice does help at the track lol. Guess it depends on what hes doing with it. But being that he's in NJ I wouldnt expect him to be tracking right now.
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      12-28-2007, 12:53 AM   #6
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Quote:
Originally Posted by Lucky Song View Post
after drive the car do I have to wait for few minutes to cool down the turbo? some advice here thanks
yes, just sit there and blow at it... i'll get better
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      12-28-2007, 12:55 AM   #7
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      12-28-2007, 01:01 AM   #8
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^^^^
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      12-28-2007, 01:04 AM   #9
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Originally Posted by mantis View Post
yes, just sit there and blow at it... i'll get better
maybe if you call it by another name it will get cold....thats what happens when you talk to girls like that in bed.....
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      12-28-2007, 01:06 AM   #10
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Originally Posted by tibbz View Post
maybe if you call it by another name it will get cold....thats what happens when you talk to girls like that in bed.....
actually that shouldnt get it any cooler
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      12-28-2007, 01:19 AM   #11
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This question is not as absurd as some of the replies suggest. Not long ago, turbos had to be cooled down by idling for a couple minutes before shutting off the car, to prevent oil from sludging. The N54 engine supposedly continues to cool the turbos by a water pump that remains on for some time after the car is shut off. I don't own a 335i, but this has been discussed here before.
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      12-28-2007, 01:49 AM   #12
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Quote:
Originally Posted by Chrisalano22 View Post
WTF?

Yes you have to put a bag of ice on them every time your done driving. Did you get the memo from BMW after you bought it?
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      12-28-2007, 01:56 AM   #13
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I think I was trippin the other day. i was driving the car pretty hard through latigo cyn in so cal and when I turned my car off. (I had to have been trippin cause I never heard or felt this before) a fan was blowing under my hood like on other Turbo cars ie: porsche for an exact replicate sound and feel.(except not in the rear) My car has never fanned itself before and I did not have any extra crap like the aux heat up the interior fan on or any crap like that. Sorry for the run in sentence, just dont feel like adding any periods
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      12-28-2007, 05:01 AM   #14
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If you read this entire post, once again, it just shows the immaturity that often surfaces on this forum. I remember my grandfather having a 944 Turbo and one of its features was having coolant pumped to the turbo bearings upon turning the key to off, which meant there was no need to idle the motor before shutting it down. The OP's question was legitimate especially if he is old school. Perhaps he should have put "scored at the junior prom" in the title, he would have gotten more views. Probably would have brought the server down though...
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      12-28-2007, 05:12 AM   #15
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Quote:
Originally Posted by John 070 View Post
If you read this entire post, once again, it just shows the immaturity that often surfaces on this forum. I remember my grandfather having a 944 Turbo and one of its features was having coolant pumped to the turbo bearings upon turning the key to off, which meant there was no need to idle the motor before shutting it down. The OP's question was legitimate especially if he is old school. Perhaps he should have put "scored at the junior prom" in the title, he would have gotten more views. Probably would have brought the server down though...
Save it. If he's on the board and is as "mature" as you would label it. I suppose then he would have asked the question before he bought the car. Unless someone just has so much cash laying around and spends $53k on a car and just figures he'll find out later how to take care of the engine. Either way, ice on the turbos is a great idea. Hope he knows where they are! i didn't mean to disrespect anyone. Just found it to be a funny question. Sorry if I hurt your feelings. Not my intention. Also one could always do this
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      12-28-2007, 05:50 AM   #16
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yea don't mind the rude replies. a lot of these guys have never had a turbo'ed car before and don't know a thing about turbo timers and cool downs so they think it's an off the wall question. i personally miss having a turbo timer... but i rather have it the way we have it now.

it's good practice though, if youve been driving ur car hard, u might want to take it easy a few miles from your destination.
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      12-28-2007, 09:14 AM   #17
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ouch, i feel like asshole now... i didnt mean to be one, but i guess i naturally have it in my blood
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      12-28-2007, 09:27 AM   #18
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Whenever I have the extra time I take it easy when I get closer to my destination or let it idle for the extra minute it takes for me to get my stuff together and unclip my seatbelt. It may not be needed but it makes me more comfortable knowing I do what I can for my car
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      12-28-2007, 11:08 AM   #19
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If you have been driving your car really hard then letting it cool down for a minute isn't a bad idea at all. Keep in mind that although the water pump will still run coolant through the turbos and cool them, it has stopped pumping oil and you will have boiling hot oil sitting in those lines that are feeding the turbos.
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      12-28-2007, 12:15 PM   #20
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Quote:
Originally Posted by BK View Post
This question is not as absurd as some of the replies suggest. Not long ago, turbos had to be cooled down by idling for a couple minutes before shutting off the car, to prevent oil from sludging. The N54 engine supposedly continues to cool the turbos by a water pump that remains on for some time after the car is shut off. I don't own a 335i, but this has been discussed here before.
It's always disappointing to find that there is no secret, critical, complicated procedure you have to perform to save your car from disaster.
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      12-28-2007, 12:35 PM   #21
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Quote:
Originally Posted by Chrisalano22 View Post
Save it. If he's on the board and is as "mature" as you would label it. I suppose then he would have asked the question before he bought the car. Unless someone just has so much cash laying around and spends $53k on a car and just figures he'll find out later how to take care of the engine. Either way, ice on the turbos is a great idea. Hope he knows where they are! i didn't mean to disrespect anyone. Just found it to be a funny question. Sorry if I hurt your feelings. Not my intention. Also one could always do this
Given your logic, then we should all say since you spent 40-53k on your 335, you'd at least know how to spell coral red the right way, instead of BSM/"korall red" as it appears in your signature? That reminds me of the film, Billy Jack, where they ask the guy for his name, and he says OK Korallis. Or is that Corallis? You should have read your order or paperwork to know the exterior/interior colors, just as you advise others to RTFM, no?
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      12-28-2007, 06:09 PM   #22
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Quote:
Originally Posted by mantis View Post
ouch, i feel like asshole now... i didnt mean to be one, but i guess i naturally have it in my blood
I wont argue that.....ha ha JK
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