Topic: DIY Repairs & Mods

Checking the M30 Engine Sensors

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 […]

E32 / E34 Trunk Gasket Maintenance

Article by: Paul Axford Applies to: All e32 and e34 models (this article was written with a 730i).   Inspection of the trunk gasket after a heavy rain showed that water was getting underneath the rubber. No doubt this would be a source of eventual rust. This was occurring mainly […]

E32 / E34 Fuel Filter Replacement

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 […]

Changing Spark Plugs on the M60B30

Article by: Paul Axford Applies to: All e32, e34, and e38 models with the M60B30 V8 engine. Why Change Your Spark Plugs? Sparks plugs normally deteriorate slowly and constantly from new, and replacement at 30,000-mile intervals represents a reasonable cost/performance compromise.  I had been advised by the local BMW dealer […]

Changing Spark Plugs on the M60B30

Article by: Paul Axford Applies to: All e32, e34, and e38 models with the M60B30 V8 engine. Why Change Your Spark Plugs? Sparks plugs normally deteriorate slowly and constantly from new, and replacement at 30,000-mile intervals represents a reasonable cost/performance compromise.  I had been advised by the local BMW dealer […]

r134a Pressure Switch Wiring

Article by: Chrisca70 Article applies to: all e30 models. This info is relevant for cars that came originally with two pressure switches (I think is pre 1989) Alright, so I just did my r134a conversion on my ‘89 325i following the BMW TIS. I got the new high pressure switch […]