Topic: Engine

Spark Plug Wires M70 (V12)

Article by: Sean Article applies to: all models with the V12 M70 engine. Problem: The production of the 750 series started in September 1987. That means that the oldest 750’s are now about 15 years old. Most cars of that age (or perhaps a few years younger) will definitely need […]

Spark Plug #12 M70 (V12)

Article by: Sean Article applies to: all models with the M70 V12 engine. Problem: How do I remove that #@!#? spark plug near the firewall (drivers’ side) Used technique: Somebody said once to me, when we both stared at the loaded engine bay of my 750: ‘ “It looks like […]

Oil Filter Canister Replacement (I6)

Article by:Johan Article applies to all models with the M30 straight six cylinder engine. Problem: On every cold start it takes 5 to 10 seconds for the oil pressure warning light to go out. Now you may not think much of it but that’s scary! It means your engine is […]

Oil Filter Canister Mounts M70 (V12)

Article by: Johan Article applies to: All models with the M70 v12 engine and 730i/740i (M60 engine only, and yes: in Europe a 730 V8 was available)   Problem: Broken oil filter mounts seems pretty obvious to me, but I am on a weekly basis spending family time under the […]

Oil Filter Canister Removal – M70 (V12)

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 […]

Fan Clutch Rehab

Article by: John Krawzcyk Article applies to: all BMW models with a viscous cooling fan clutch. These next few pages attempt to graphically demonstrate the Plumley Procedure for rehabbing Porsche 928 mechanical fan clutches. The one shown below is from my 1979 and it typical of the earlier model fan […]