Piston Ring for BMW M20 B25Reference800001911000Engine applicationsBMW M20 B25 · BMW M40 B16ring axial heights mm1.5 / 1.75 / 3piston ring 1 type codeR IFpiston ring 2 type codeNMpiston ring 3 type codeSSFpiston ring 1 surface treatment codeCROther references on this record08-106500-0008121N011251713192800001911000800001921000Piston ringBrowse this categoryBrowse this brand · BMWProduct page · 08-106500-00