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Old 07-20-2011, 07:18 AM   #8
Schnake
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Join Date: Dec 2009
Location: Australia
Posts: 387
My Ride: 325ci
I'm guessing its because of the throttle is controlled by wire on post 2001 models (drive by wire) as oppose to the conventional throttle cable. Twin VANOS as well. Basically M52 motor compared to M54.
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