[ORIGINAL EQUIPMENT] - Bosch Original Equipment Fuel Pumps are the fuel pumps vehicles were built with when new, ensuring perfect fit and superb performance - without the added expense of an OEM package [INNOVATIVE TECHNOLOGY] - Patented Turbine Pump technology virtually eliminates the fuel pulsation, noise, and hot-start problems associated with older pump designs [OPTIMAL PERFORMANCE] - Designed to operate in extreme temperatures and under low fuel conditions to ensure reliable performance and an extended service life [FACTORY TESTED] - Every Bosch fuel pump is "end-of-line" function tested before leaving the manufacturing facility to ensure premium quality and performance for maximum customer satisfaction [READY TO INSTALL] - Designed for simple DIY installation - includes instructions and installation components (select part numbers only - included components will be shown in photos) Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific vehicle fitment details with fit checker above): BMW: 1985 318i, 1986-88 325, 1985-87 325e, 1986-87 325es, 1987 325i, 1987 325is, 1985-88 528e Compatible with (continued): BMW: 1985-88 535i, 1988 535is, 1985 - 89 635CSi, 1985-86 735i, 1987 L6