In all honesty as many whips that I've had the closest I've been to ECU tuning was a HKS EVC & COBB Tuning AccessPort on my R35 GTR.
Unless waaaaaay back in the day I had a 1990 Honda CRX that I did a Jackson Racing ECU swap and eventually when did a twin cam engine swap and turbocharged it I went to a ACCEL Direct Fuel Injection system ...
But I don't think either was a true ECU tune ... lol
Quote:
Originally Posted by SANguru
you sound like you have never done a tune before??
good tunes nowadays are fully removable in the N54 world and should be the same for S63/N63. Data logging functionalities will tell you exactly what's going on and through CAN tools you can remove fault codes... Reliability? I am more concerned with the drivetrain but time will tell..
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