BMW Genuine Secondary Air Injection Pump Control Valve Gasket 850Ci 530i 318i 318is 318ti 323i 328i M3 3.2 740i 740iL 740iLP 750iL 750iLP 525i 528i 530i 540i 540iP M5 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi M3 ALPINA V8 Z8 X5 3.0i X5 4.4i X5 4.6is Z4 M3.2 Z4 M3.2 Z3 1.9 Z3 2.5 Z3 2.5i Z3 2.8 Z3 BMW Genuine Secondary Air Injection Pump Control Valve Gasket E31 E34 E36 E38 E3 It is used in AIR PUMP F VACUUM CONTROL -- EMISSION CONTROL-AIR PUMP -- Exhaust manifold -- VACUUM CONTROL - VACUUM TUBE -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility