Item Weight:350g Placement on Vehicle:Thermostat Special Features:engine cooling Solid and durable aluminum housing. Built to strict quality control standards. 100% tested prior to leaving the factory. Vital replacement parts for engine cooling system. Fits for M3 Z3 E34 E36. Fitment: 1998-1999 323is, iC E36 1996-1999 328i,is, iC E36 1995 M3 B30 E36 1996-1999 M3 B32 E36 1997-1998 Z3 28 thru 08/98 Z3 1998-2000 MRoadster S52 Z3 1999-2000 MCoupe S52 Z3 1991-1995 525i M50 E34 1992-1995 525i Touring E34 1992-1995 325i E36 1994-1995 325iC E36 1992-1995 325is E36 Manufacturer Part Number: 11531722531 / 11531740437 Interchange Part: for engine cooling T-STAT housing cover Color: Silver Material: Aluminum Package Contents: 1 * Thermostat Housing Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.