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280i Rear End 4.20?

tr7andtvr

Jedi Hopeful
Offline
In 4th gear (1.0) at 3000 rpm my car is going 75 mph. I have 245/45/17 tires.... I was thinking that all the 280i US cars had a 3.08 rear? It looks like my car has a 4.20 ratio any thoughts?
 
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