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: DIY Repairs & Mods
Waste Spark Install
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 […]
AFM Adjustment
Part 1: Article by: RAkhmedov Applies to: All models with the M20/M30 straight six engine. The M30 engine uses an AFM unit to provide information to the computer about the amount of air that enters the intake. The unit uses a flap reinforced by a spring that continually presses the […]
Gearbox Rear Seal Replacement
Article by: Johan Problem: Every time I went for a long drive I noticed a burned ATF smell when getting out of the car. I also had to fill the gearbox every 1500 km to keep it shifting smoothly. The underside of my car was completely covered with ATF. When […]
Getrag 260 Synchro Replacement – Part 3
Article by: Eric Crawshaw Article applies to: all BMWs with a Getrag 260/6 manual (5-speed) transmission Part 3: Reassembly How to reassemble the Getrag 260 in “a few” easy steps! Well it’s done. It’s back together. It was definitely a bit scary at first, but I was able to get […]
Getrag 260 Synchro Replacement – Part 2
Article by: Eric Crawshaw Article applies to: all BMWs with a Getrag 260/6 manual (5-speed) transmission Part 2: Gear Train In my BMW E30 Getrag 260 transmission, only the 3rd gear was grinding, so the plan going in was only to replace the 3rd gear synchro. Upon inspection, I found […]