Topic: Engine

M30 Cam Removal Tool DIY

Article by: RobertRO Models: All BMW models with the M30 engine (or similar SOHC 4 cylinder engines). I needed a tool to easily remove the M30 cylinder head camshafts. Since I don’t have the BMW special tool, I had to go for a DIY approach. I used only materials that […]

M30 to S38 Engine Block Conversion

Re-posted By: Green Lagoon Article applies to: applies to all BMW M30 engine blocks. Disclaimer: This valuable information is getting lost on the internet as time goes on. I am not the original author of this content. It was posted in various threads on m5board.com and e34m5.de. I am just […]

Belt Replacement M30 (I6)

Article by: Paul Axford Applies to: all BMW models with the M30 engine (this article was written with a 730i). This initially looks like a formidable job but once you get the splash guard off the lower-front engine area it’s really very simple. Not so simple is getting the correct […]

Engine Mount Replacement M30 (I6)

Article by: Paul Axford Applies to: all models with the M30 big six engine (this article was written with a 730i). A vibration felt through the steering while starting the car was my cue that the engine mounts had failed. The replacement procedure involves raising the engine about 5 cm […]

Cleaning the Air Flow Meter Potentiometer

Article by: Paul Axford Applies to: all models with the vane style air flow meter (this article was written with a 730i). The AFM is an early-80’s relic from the second generation of electronic fuel injection. This massive sensor sitting dead-center on top of the engine does two things – […]