Tech Tips
Useful
and interesting solutions for your BMW
(updated frequently, watch this page for changes)
Shifting technique tutorial
Fitting the E46 M3 6-speed transmission into the E36 (all M3/328/325/323)
Removal of the Check Valve / Clutch Delay Valve (CDV) (E36, E46, E39, E53, Z3)
How to reduce gearbox rattle / rollover noise (all models with manual or SMG transmission)
What causes gearbox rattle / rollover noise?
The truth about going catless
Cleaning the gold discoloration off exhaust tips
Fitting the E46 M3 6-speed transmission into the E36 (all M3/328/325/323)
Removal of the Check Valve / Clutch Delay Valve (CDV) (E36, E46, E39, E53, Z3)
How to reduce gearbox rattle / rollover noise (all models with manual or SMG transmission)
What causes gearbox rattle / rollover noise?
The truth about going catless
Cleaning the gold discoloration off exhaust tips