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Turbo question on E92 335i ?
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09-09-2006, 09:31 PM | #1 |
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Turbo question on E92 335i ?
My buddy drives a 911 turbo and has to cool down the turbos by letting the car idol before turning off the engine. He says it is a necessary step with any turbo engine, otherwise the oil does not continue to run through the turbos while they have a chance to cool down. Otherwise the oil would just frye inside of the turbos (not good).
Is letting the engine run while the turbos have a chance to cool necessary with the 335i? |
09-09-2006, 09:50 PM | #2 | |
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Its not necessary unless your buddy has an old Porche that required Dino Oil and will certainly not be required for the 335i. This question has been answered many times in Motor Trend and C/D. At one time one of the Acura sites had a very good write up on this but I can't find it anymore. |
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09-09-2006, 11:14 PM | #4 |
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The BIG question is: Are the Turbo engines as reliable as other engines?
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09-10-2006, 08:20 AM | #5 | |
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In the past, reliability was more do to the turbos themselves. A lot of R&D and lot track time has made them reliable. If you go back to the 70s, there was no question to the 2002ti's reliability. When Nelson Pekay won the Formula 1 championships in the first ever turbo powered car, there was no issues. While turbos do run hotter, cooling, coolant systems and synthetic oils have all been designed for the high heat. Answer me why they would be unreliable? |
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12-21-2021, 08:36 AM | #6 | |
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12-21-2021, 09:08 AM | #7 | |
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I've been waiting FIFTEEN YEARS for this answer.
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12-22-2021, 05:39 PM | #10 |
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The reason our cars have an electric water pump is to keep coolant cycling after cooldown to allow the turbos to cool down slowly. I never wait for the car to cool down and just turn it right off unless I've been pushing it in the last few minutes or the oil temps are above the usual 200 deg range. If they're like 230-240, I'll let it idle for a minute or drive very gently the last mile.
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12-23-2021, 11:08 AM | #11 | |
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