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 […]

Article by: Sean Article applies to: all BMW models with the M70 V12 engine. Problem: there are 2 known problems areas when you are suffering from an unusual high oil consumption. Problem one is worn valve stem seals, and problem two is faulty VCV valves. Both issues are causing the […]

Article by: Sean Article applies to: all BMW models with the M70 V12 engine. Problem : those Germans can’t build decent water pumps and if you see them, you can tell Sean750 said so. Throughout the years, I replaced dozens of pumps on lots of German cars, sometimes a couple […]

Article by: Sean Article applies to: all models with the V12 M70 engine. Problem: Smoking engine. At first I thought the massive oil consumption was also related to the worn valve stem seals, but later (after replacement of the seals) it proved I was wrong, at least in this case. […]

Article by: Sean Article applies to: all models with the M70 v12.   Problem: Could be various. Some canisters suffer from a leaking anti-drain valve (which requires replacing the whole canister or a very creative workaround) causing the low oil pressure warning during start. Requires immediate action, fix it. But […]