Job number 10 today! Bosch washing machine flashing error code E21. I replaced the motor brushes and it's ready to go back to work. ♻️👍🏽😃... | By London Spin Doctor Ltd | Facebook
Bosch E21 error code diagnosis and repair - YouTube
Bosch distributor, 0237005005, BMW E21 315 E30 316 original Bosch, NOS, NEW! | BMW-Oldtimerteile.de
BMW E21 E30 E28 E12 Bosch Vacuum Advance 1237122825 Genuine NOS | eBay
Fuel Filter, Bosch - E21 320i/323i, E26 M1
1980 BMW E21 323i Euro-spec coupe | Copley Motorcars