Reference number(s) OE: 11281437475, 11 28 1 437 475, 11281706545, 11 28 1 706 545, 11287512970, 11 28 7 512 970, 12888888870, 12870, 128888870, 12870, 12888870, 12888888876363. 79, 11 28 7 636 379, 1706545, 7636379, 11281437872, 11 28 1 437 872, 11281744986, 11 28 1 744 986, 1286, 1286, 1286, 1286, 1286, 1286, 1286, 1286, 1286, 11286, 22477. 43, 11 28 2 247 743, 11281437450, 11 28 1 437 450, 11 28 1 427 252, 11281427252, 11 28 1 735 89. 17358. 99, 11 28 1 748 832, 11281748832, 11 28 1 726 181, 11281726181, 11 28 1 730 571, 11281730571, 1 28 1. 738 0. 61, 11281738061 Package includes: 1 x V-ribbed belt for alternator, 1 x V-ribbed belt for air compressor, 1 x tension pulley for V-ribbed belt, 1 x tension pulley for V-ribbed belt, 1 x pulley for V-ribbed belt (as pictured) Suitable for BMW: 3 Series E46 (up to year of manufacture 09.2002) - Mot. 320i, 323i, 325i, 328i, 330i (vehicles with air conditioning) 5 Series E39 (up to year of manufacture 09.2002) - Mot. 520i, 523i, 525i, 528i, 530i (vehicles with air conditioning) 7 Series E38 - Mot. 728i X5 E53 (up to year of manufacture 09.2002) - Mot. 3.0i Z3, Z3 Coupe E36 - Mot. 2.0, 2.2, 2.8, 3.0 (vehicles with air conditioning) Please confirm your model before purchase to make sure this item matches your car to ensure proper installation. Technical information: V-ribbed belt: Length: 1538 mm. Number of ribs: 6. V-ribbed belt: Length: approx. : 865 mm. Number of ribs: 5. Tension pulley, V-ribbed belt: Width [mm]: 26 Outer diameter: 70 mm. Outer diameter: 78 mm. Tension pulley, V-ribbed belt: Width [mm]: 24.5 Outer diameter: 80 mm. Material: plastic. For V-ribbed belts. Tension pulley, V-ribbed belt: Width [mm]: 24.5 Inner diameter: 10 mm. Outer diameter: 70 mm. Material: plastic