Troubleshooting BMW N45, N55 and M57N Engine Problems
We explore N45, N55 and M57N engine problems, plus rusty subframes on relatively modern BMWs. BMW Engine N45 Timing Chain I heard of a problem recently that I hadn’t encountered before – a 2006 BMW 116i with the N45 non-Valvetronic engine that ran like a pig after timing chain replacement. The garage had done everything … Read more…