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Old 08-09-2012, 09:22 AM
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tim330i tim330i is offline
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Location: Boston
 
Join Date: Dec 2001
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Mein Auto: Ti Silver 03 M3
I drove TMS's F30 335i with the Hartge module and it does make a difference, a big one. It really wakes up the car, it was a very obvious difference in performance. I would think you'd see the same increase on the 535 as well.

Tim
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