The BMW Voltage Regulator Bosch 12317561939, manufactured by Bosch (manufacturer part number 1-986-AE0-044 / 1986AE0044), is an original equipment (OE) supplier component engineered for precise voltage control in a wide range of BMW models equipped with the Bosch 180 amp alternator. This OEM voltage regulator meets BMW’s rigorous standards for fit and performance, ensuring stable electrical system operation and extended alternator life.
Key Features:
- Genuine Bosch manufacture with OE part number 12 31 7 561 939 / 12317561939
- Designed for select BMW vehicles with Bosch 180 amp alternators
- Ensures consistent electrical output and optimal battery charging
Verified Fitment: Compatible with designated BMW 1 Series M (2011), 128i (2008–2013), 135i (2008–2010), 328i (2007–2013), 328i xDrive (2009–2013), 328xi (2007–2008), 335i (2007–2010), 335i xDrive (2009–2010), 335is (2011–2013), 335xi (2007–2008), 528i (2008–2010), 528i xDrive (2009–2010), 528xi (2008), 535i (2008–2010), 535i xDrive (2009–2010), 535xi (2008), X3 (2007–2010), and X5 (2007–2010) models as specified for the Bosch 180 amp alternator.
Choose OEM Bosch quality for reliable voltage regulation and seamless integration with your BMW’s electrical system.