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Old 09-25-2012, 10:51 AM   #2
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Join Date: Mar 2005
Location: ^^ E46FANATICS ^^
Posts: 1,814
My Ride: spaceship
Originally Posted by mike radowski View Post
The kit retains the factory MSS54 ECU, albeit reprogrammed to work with the turbo kit. First and foremost, there are no fault codes stored, or hidden, in the ECU. The check engine light will only illuminate when there is a real fault with the system. All of the factory diagnostics are still there and functional.

The next item worthy of mentioning is the lack of external 'boxes' and 'electronics' needed with the kit. There are no oxygen sensor sims, no MAF boxes, etc. The system has been converted to work on one engine bank, and the Bank2 oxygen sensors have been eliminated (see pic below), with no faults or CELs due to them being unplugged.

^^^ Freaking the best part of all this!!! That damn dyno graph looks sexxy!

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