Article by: AHenry014 Article applies to: all models with the crap pulley driven viscous clutch fan. This is installed on my v8 car, a ’94 touring with the b40/6spd swap. I first installed it on the stock radiator 540i/6 rad with minor trimming to the Volvo shroud, and it is […]

Article by: Sp33dy Article applies to: all models with the m20 and m30 engines (Motronic only – not L-Jetronic).   This guide serves to provide owners of BMW M20 or M30 outfitted cars as an alternative to the standard Air Flow Meter (AFM) air metering device found on these engines. […]

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 […]

Article by: Johan Article applies to: all BMW models with a viscous clutch cooling fan. Problem: It’s very easy to spot a bad fan coupling. The engine temperature will rise when standing in traffic. On my 735i it went to about the 3/4 mark. Apparently the electrical fan on the […]