The N54 engine runs on a single serpentine belt that powers the alternator, power steering pump, and A/C compressor. The kit provides a complete maintenance kit, which includes drive belts, pulleys and tensioner to ensure a long service life. Kit Contents: 1x Serpentine Belt; 1x Accessory Drive Belt Tensioner Assembly; 1x Accessory Drive Belt Idler Pulley (80mm); 1x Accessory Drive Belt Idler Pulley (90mm). Part Numbers: 11 28 7 628 652, 11 28 7 563 927, 11 28 7 556 251, 11 28 7 557 851, 7PK1855, 11287556251, 11287557851, 11287563927, 11287628652, 11287568247, 11287557858. Tightening Torque: Drive Belt Tensioner 40 Nm (30 ft-lbs); Drive Belt Idler Pulley 90mm 38 Nm (~28 ft lbs); Drive Belt Idler Pulley 80mm 38 Nm (~28 ft lbs).
Fitment:
- Engine: N54 only
- BMW 3 Series E90/E91/E92/E93 335i, 335is, 335xi (2005-2010)
- BMW 1 Series E82/E88 135i, 1M (2005-2010)
- 1M explicitly included; X1/E84 is NOT mentioned in this listing
Sourced from our supplier catalog.
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