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Old 09-10-2011, 01:34 PM
Norm37 Norm37 is offline
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Location: Vancouver, Washington USA
Join Date: Jun 2008
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Mein Auto: Chevy half ton pickup
Originally Posted by caliber View Post
what is the best mod combination for the 135i under 3000.
What engine N54 or N55 ?

Dinan has a 15% off sale through October 31.

My Son did the following on his 2009 135i (N54) convertable

Stage 2 Performance Engine Software/Boost Upgrade.

Also the Carbon Fiber Cold Air Intake.

He is very happy with the performance increase. Especially the additional 116 lb-ft of Torque.
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