1. Easy to operate and install. 2. Cylinder is made of seamless steel pipe. High precision grinding. Longer life. 3. Special sealed guide block stops leaking in high pressure. 4. Original Equipment(OE) number: 51231906286, 11811906286. Please check the OE number before placing order. 5. Fit for: 1982-1992 BMW E30; 1987-1994 BMW E30 Touring; 1985-1993 BMW E30 Convertible
