4.4 Twin Turbo Tuning?
#1
4.4 Twin Turbo Tuning?
Im a new big fan of the BMW 4.4 Twin turbo in my 2010 750li xdrive, does anybody know any tuning companies that can squeeze out some more boost and some big power out of one of these?
#2
#4
Hennessey will tell you he has performance parts for the Space Shuttle.
#5
Run don't walk from Hennessey you might as well light your car on fire and call it a day.
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BlackMarketRacing
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