E60 / E61 (2004 - 2010)
Hello everyone,
I recently did a VCG change and did not disable my negative battery before I started. I have two concerns.
1) When I removed my Valvetronic it popped out on me a bit. Is there a certain way I reinstall the Valvetronic?
Also
2) When I was bolting down my VCG I heard a pop, it...