BMW Genuine Windshield Washer System Check Valve for 3 7 Z3 Series E32 E34 E36 for 318i 318is 318ti 320i 323i 325i 325is 328i 525i 530i 540i 740i 740iL M3 M3 3.2 M5 3.6 Z3 1.9 Z3 2.5 Z3 2.8 Z3 3.0i Z3 M3.2 BMW Genuine Check Valve for Windshield Washer System. Manufacturer Warranty: 12 months / 12000 miles Please see Product Description below for compatible models.