Article by: Johan Article applies to: all e32 and e34 models (some variations may exist). The left side: Picture taken from a 1990 750i. Servotronic: The servotronic control module controls the amount of power assisted steering based on the road speed. The faster you go the stiffer the steering will […]

Article by: Johan Applies to: all e32 and e34 models.   Under the rear seat you will find a bunch of modules on the left side. The modules you will find are dependent on the options your car has. You can expect to find the: zentral karosserie electronics (ZKE) or […]

Article by: Max Fretter, updated and edited by Mike Oswald Applies to: all e32 and e34 models. Both e32 and e34 owners either know about these things already, and have had them fixed, or need to know about them – that’s what this page is for. The LKM or “Licht […]

Article by: author unknown Applies to: All U.S. e32 and e34 models. Reading Engine Fault Codes To the best of my knowledge only US spec E32s and E34s are equipped with the feature to read engine codes as described below. Apparently the ability the access codes was a US EPA […]

Article by: Bradley Denton What is waste spark and why do I want it? Both the m20 m30 engines use a single inductive ignition coil and a distributor cap/rotor to fire the spark plugs. The coil is triggered by Motronic via a transistor. This is a simple and effective method […]