Thread: Anyone want to swap diffs?
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Old 15th October 2013, 05:15 AM
snapper snapper is offline
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Join Date: May 2007
Location: Chelmsford, Essex
Posts: 360
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What BMW gearbox?
What redline?
Most 4th gears are 1.1 and I get 120mph with 14" wheels and a 3.9 diff
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