Quote:
Originally Posted by CrazyOneToo
Hello all. I just used BimmerLabs files and WinKFP to flash my 2007 Z4 N52 software from a
3.0i to a 3.0Si and now the car cranks but wont start.
Any help would be greatly appreciated!!!
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It could be several things, but a checksum error is most likely. Flash a stock tune with WinKFP and see if it solves your issue.