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Originally Posted by surgeondress
So I have an appointment this week to see if my hitch wiring harness is coded to the ECU to correct the fast blinker/flasher problem. My OEM hitch was dealer-installed, and it's hard to believe that this part was of the install was overlooked (or is it?). I'll keep you posted on the results.
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It will be interesting to see what they say. I used the service manual instructions to install the OEM hitch and wiring harness, and there was no mention of an ECU update. It may be that it came out later, or that it only applies to certain model years. Let us know.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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