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 – […]

Article by: Paul Axford Applies to: All models with the M30 big six engine (this article was written with a 730i). Note: some variations exist with early renditions installed in e9 and e12 models. The photo below indicates where some of these sensors are located. a) Cleaning the high-tension ignition […]

Article by: Paul Axford Applies to: all e32 and e34 models (this article was written with a 730i). The filter provided to me by BM Warehouse in Hamilton as an “OEM part” looked nothing like the stock filter. It has a slightly smaller overall diameter and does not have the […]

Article by: Winston Fong Article applies to: All models with the M30 engine. Unbolt the oil filter lid. Editor’s Note: The early M30 engines had a different oil filter canister than what is shown here. Location of M20 filter canister is different from the M30 as well (located near the […]

Article by: Winston Fong Article applies to: all models with the M30 engine. Start by removing under panel from underneath the car and below radiator which is attached to body by four plastic nuts (looks like plastic skid plate). Once the panel is removed you can drain the radiator by […]

Article by: Author unknown Article applies to: all BMWs. I decided now would be the perfect time for everyone to learn how to properly read a Turbo Compressor map, and how to choose a proper turbo for your vehicle. Here we will show a compressor map for reference:   First […]