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      01-17-2013, 08:36 PM   #45
bulldog_yyc
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Drives: GT3RS
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PP performance is a well known tuner out in the UAE though - google them. They have done many high HP cars.
Theoretically, any tune could be required to have the BMW signature. I heard there was a rolling encryption code or something on the new F10 - so any aftermarket tune probably has to mimic that type of signature to even be written to the ECU (sorry ECU's, 2 of them on the M5 - ouch!). I would not put much faith into getting warranty coverage if something breaks;especially on an M5, you know HQ will be digging deep into ECU records/values in the event of costly powertrain claims.
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