01-25-2013, 03:37 PM | #1 |
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still need idle for a while to cool the turbo?
Hi
Just wonder for 2013 X3, should it be left idle for a while after drive to let the coolant/oill to cool the turbo? I heard this was one major cause of turbo reliability in older ones like the VW 1.8T engine. thanks |
01-25-2013, 04:05 PM | #2 | |
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Quote:
Btw, I used to own a GTI with the 1.8T. Bulletproof and never a problem for many miles.
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01-25-2013, 04:43 PM | #3 |
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The water pump is electric and the car runs it as required even after you've shut it down.
My belief is that this should help things. One thing, however, is I don't think the water is used to cool the turbo so it may not help at all. |
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01-25-2013, 05:21 PM | #4 |
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hmm, what is this new fangled start/stop thing you guys talk about?
I suppose that would do more harm having a hot turbo cooking the oil while shut down for 30sec then restarted.
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01-25-2013, 06:48 PM | #5 |
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01-26-2013, 11:00 AM | #6 |
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I asked the dealer about that. He said that with synthetic oil and modern turbo design and materials, the old turbocharger cool-down requirements are a thing of the past.
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01-26-2013, 12:35 PM | #7 |
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Yes, they've intentionally designed the car so it'll self-destruct if operated normally.
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01-27-2013, 04:15 AM | #9 |
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All modern factory-turbo cars use water-cooled turbos.
Synthetic oil's one big difference from Dino is it cokes instead of sludging. Without the water cooling you would still need to idle or get a turbo timer. If you have been beating on it, let it idle a minute(ish) before turning off I guess. It isn't that big of a deal
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01-27-2013, 04:19 PM | #11 |
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Needing to let the turbo "cool down" isnt a big deal anymore like has been said.
It used to be a huge issue and was the reason why turbo timers were all the rage when people started boosting every car out there. I have a big turbo MK4 GTI and after beating on it nice and good I do let it cool down before turning it off. My 135i though? Nah, its good. Beat on it then idle maybe a minute once i get parked then off it goes, same will be the case for my X3 when it comes in a couple months. |
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01-27-2013, 05:40 PM | #12 |
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the n20 engine cool down is already fast as it is.
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01-27-2013, 06:46 PM | #13 |
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I had a 1.8T Passat and did this routinely to protect it. I don't bother with the N55. The Passat had some absurdly small oil capacity, as I recall. That, coupled with the use of non-synthetic oil (at least initially), didn't help.
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