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 […]

Article by: Johan Models: All E32 models manufactured before 02/89. This also applies to E34 models with a “high” version of the cluster. If your E34 has a check control display it’s the “high” version. Problem: The odometer stops at 299,960 km or 300,000 miles. There are a couple of […]

Article by: Sean Article applies to: all e31, e32, and e38 models with the M70 V12 engine. Problem : Various. I always had a slow cranking starter since the day I bought the car a few years back. The battery was dead at that time, so I replaced it with […]

Article by: Sean Applies to: all e32 and e34 models. Problem : Front parking and/or rear tail light out on 1 side of the car only, causing OBC warnings. Sometimes intermittent and erratic, so you get the impression these are false warnings. This only happens when lights are on. Changing […]

Article by:Johan Applies to: all e32 and e34 models. Problem : The OBC remains dead and I can’t see the excellent fuel economy it doesn’t get anyway. Let’s get to work : First you will have to remove your radio. As all radio’s are mounted differently and I never had […]