Differential Upgrade

1600 Views 18 Replies 14 Participants Last post by Lotek, Mar 26, 2003

330iCanada

Discussion Starter · Mar 25, 2003

I am considering a diff upgrade to a 3.23. I currently have a 2.93 final drive on my new 330i (6 speed manual tranny). For anyone who has upgraded their 330i final drive, I notice that Dinan offers 3.15. They content that higher ratio's may cause problems with DSC and/or ADB. There is a concern that traction control will get confused with shorter final drive. Anyone have problems with on board computer or DSC associates with differential upgrades?

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JawKnee

· #4 · Mar 26, 2003

I've ran the 3.15, and am currently running the 3.46. No issues with the 3.46 and that is short gearing!

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