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      07-31-2011, 02:42 PM   #368
Phas
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Drives: 435i xDrive
Join Date: Apr 2011
Location: Great White North


Posts: 59
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Performance Kit

Hi
Do not shoot the messenger ... I am bringing this to the attention of the members of this forum. I know that there are other "mods" that are available and less expensive and I am not going to argue the pros and cons e.g JB3, JB4 and Dinan.

BMW Stage 1 Performance Power Kit Upgrade
Take your engine to the next level
A powerful engine is all part of ultimate driving pleasure. Boost your engine performance and get more out of your BMW. The BMW Stage 1 Powerkit has been developed by BMW engine specialists, and has been tested and refined in accordance with stringent BMW requirements.

Kit can be fitted to 135i, 335i, and 335i xDrive vehicles

Available for N54 (twin-turbo) vehicles produced as of 03/08 and N55 (single turbo) produced from 03/10 onward

Horsepower increase from 300 to 320

Torque increase from 300 to 317 ft-lbs (manual transmission)

Torque increase from 300 to 332 ft-lbs (automatic transmission)

Retains the original BMW limited warranty

Here are the part numbers (for those who wish to take it further)
STREET USE ONLY ..... SOFTWARE ONLY
11-12-2-219-489 (N55) for models produced as of 03/2010
11-12-2-219-488 (N54) for models produced as of 03/2008

If you are going to take your car "on the track", then you will need "Stage II", which is more expensive and involves BOTH software AND hardware Upgrades.
Cheers
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