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#1
06-08-2009, 03:38 AM
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4.6 How rare and what's so different from the 4.4
Ok, so how rare are the 4.6? Anybody know the production numbers?
I am just curious what makes the difference in the 4.6 vs the 4.4 engines. Where is the extra power coming from? As I understand the engine is either built or speced out by Alpina and built by BMW.
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2002 X5 4.6 Sold Dinan CAI, TB, Mass Air, Stage 4 engine & tranny software, X-pipe 2004 745Li 1997 Ford Mustang Cobra Vert 1985 Mazda RX-7 13B-REW single turbo 60-1, Haltech, Meth injection, MSD Ignition, and much more 2008 Mazda Speed3 Hypertech Tune   
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