Alternator Pulley – BMW 1, 3 Series, X1 (12317626155) (INA)

This high-quality INA alternator pulley is a direct aftermarket replacement for OEM part number 12317626155, designed to maintain proper belt tension and reduce vibration in the auxiliary drive system. Also referred to as overrunning alternator pulley or OAP.

Key Features:
- Direct replacement for OE part number 12317626155
- Brand reference: INA 535027510
- Helps reduce belt slippage and noise during engine operation
- Durable aftermarket construction with precision fitment

Compatible With:
- BMW 1-Series (E81, E82, E87, E88) – Hatchback (2003–2011), Coupe (2006–2013), Convertible (2008–2013)
- BMW 3-Series (E90, E91, E92, E93) – Saloon (2004–2011), Touring (2004–2012), Coupe (2005–2013), Convertible (2006–2013)
- BMW X1 (E84) – All models (2009–2015)

Year Range:
- 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015

This is an aftermarket replacement part, not a genuine BMW component.