Article by: Sean Article applies to: all models with the M70 V12 engine. Problem: The last couple of months my V12 developed a rough idle. These engines can run like sewing machines, but not in my case. More like a 2-stroke chainsaw…first I looked for the obvious problems. Vacuum hoses, […]

Article by: Sean Article applies to: all models with the M70 V12 engine. Problem: In my ongoing quest to fight the problems with rough idling, stalling when accelerating and surging I decided to replace the fuel filters to see if makes any difference. I was still convinced it had something to […]

Article by: Sean – Additional comments and pictures by Cor Verlinde Applies to: all e31, e32, and e38 models with the M70 V12 engine. Someone we (Johan and I) know through our website contacted us that he had started an interesting project. He was planning to build a Cobra replica. […]

Article by: Sean Article applies to: All BMW models with the M70 V12 engine. Problem: When replacing my water pump (all belts removed) I felt some shaft play on my alternator. Although the voltaqe regulator with brushes were recently replaced, I decided to replace the alternator when I could lay […]

Article by: Sean750 Article applies to: all e31, e32, and e38 models with the M7x V12 engine. Problem: The last couple of months, I’ve been trying to investigate the cause of a lack of fuel pressure. The problems are numerous: erratic idle, surging, hunting (this is typical: engine revvs and […]