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Old 10-04-2012, 07:39 AM
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tim330i tim330i is online now Founder
Location: SF
Join Date: Dec 2001
Posts: 8,771
Mein Auto: Ti Silver 03 M3
The only option I'm aware of right now for the F30 N55 powered 335i s the Hartge power module -

I drove the TMS 335i before and after the Hartge was installed and it makes a huge difference.

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