1 5PK863 Power Steering Belt. 1 6PK1538 Power Steering Belt. Alternator, Water Pump and Power Steering. One - 5 PK 863 - Serpentine Belt Air Conditioning. One - 11 28 1 437 475 - Serpentine Belt. DOESN'T FIT 1998 BMW 528i Base Sedan 4-Door 2.8L 2793CC l6 GAS DOHC Naturally Aspirated.