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Re: BMW X6 4.4 V8 Bi-turbo Engine - 12-22-2007, 07:52 AM

Quote:
Originally Posted by martinbo View Post

I'd like to understand the heat soak implications from locating to turbos so closely together. In fact, despite its unique configuration, I don't can't see any logical reason to locate the induction and exhaust systems in such a fashion other than for reasons of engine bay packaging.
Also, the exhaust gas going to the turbine will be extremely hot, hotter than usual because the exhaust pipe is shorter than normal, so the gas won't have that much time to cool.

I guess placing the turbos on top will get more cool air flow than placing it packed within the engine bay. This might resolve the heat soak issue.
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