Set of 3 piston rings for BMW E21 Series (02/1975-12/1983)

Set of 3 standard ribbed piston rings for BMW 3 series E21 :

- 316 1.8L 90hp from 10/1980 to 09/1983 (engine code M10B18)

- 318 98hp from 03/1975 to 07/1980 (engine code M10B18)

- 318i 105hp from 10/1980 to 12/1983 (engine code M10B18i)

- 320 4cyl 109hp from 02/1975 to 10/1982 (engine code M10B20)

- 320i 4cyl 125hp from 03/1975 to 08/1978 (engine code M10B20i)

This kit includes :

- Oil scraper ring, 4mm thick (standard rib)

- Compression ring 2mm thick (standard rib)

- 1.75mm fire ring (standard rib)