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 […]
Topic: Electronics
Motronic Reference Part 1
White Lid Dash Cluster Repair
Article by: Winston Fong Article applies to: all e32 and e34 models with the white lid dash cluster. My 1990 535I instrument cluster started to fail by having the fuel, temperature, and lower digital readouts not working during the first 20 minutes of driving or until it warmed up. My […]
Key-less Entry Version 2
Article by: Ivo Article applies to: all e32 and e34 models. In recent years I got a lot of questions about installing the original BMW key-less entry. Because the E34 5-series is quite similar to the E32 7-series, this document is also very useful to the 7-series owners. This example […]
BMW E32 E34 Check Engine Light / Stomp Test
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 […]
Dash Plug Coding for BMW
Article by: DIAKOM Applies to: e32 and e34 models. In our difficult Russian conditions, when there is no access to branded parts and diagnostic equipment, you have to be content with the spare parts from disassembly. One of the big problems arises when replacing and repairing instrument shields.I will describe […]