Potentially, it's your wastegates.. You may be hearing the waste gates due to the actuator keeping the gate slightly open so it continually slaps...
Cooler. I just received a July 08 build 335xi with the 18 inch wheels and 6mt and it has the oil cooler and accoring to the mechanic, the redesigned...
I just purchased my first BMW this weekend, a 2008 e92 335xi(Built last week in July). Alpine White with the red leather interior, idrive, 6MT,...
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