Thread: n55 hartge tune
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      07-02-2012, 02:19 PM   #11
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Originally Posted by alexmtl_135i View Post
This is only a chip that you connect to your ECU and other sensors.

I believe the Hartge tune is a 'proper' bench flashed tune of the's not a 'piggyback' unit.
2011 135i M-Sport Coupe DCT ~ Bluewater:Coral Red | BMWP CF spoiler & BMWPE | Birds B1 suspension | Forge FMIC | Hartge footrest | Alufelgen CS7 & Pirelli P Zero

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