Pretty sure Darkhold's ecu tuning efforts on the M135i
failed badly !! But Im not sure !! Its very clear if you want to push the envelope on boost,larger turbos,simple logging with mobile app support and refined customisation of a tune the JB4 is the best on the market .
Quote:
Originally Posted by harkes
Darkhold
How has the flash tune been for you so far? I read somewhere you have had several flashes to get it right - what has been the problem(s)?
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