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)
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