Remy 11150 Alternator

Remanufactured Alternator for BMW 135i and 335i

The Remy Premium Remanufactured 11150 alternator is a 12-volt charging component built for select 2011-2012 BMW 135i and 335i applications. With a 170-amp rating, internal voltage regulation, and an internal fan, it supports stable electrical output for vehicles with higher charging demands.

Key Features

• 170-amp amperage rating for select BMW charging systems
• Remanufactured Remy Premium Remanufactured unit
• OE manufacturer reference: Nippondenso
• 12-volt alternator with internal voltage regulator
• Internal fan design
• Pulley included
• Clockwise rotation
• Part number 11150 for easy identification

Product Details

Remy 11150 is a premium remanufactured alternator engineered for direct replacement in select BMW 135i, BMW 335i, and BMW 335i xDrive models. This unit cross-references BMW 12-31-7-591-532 and 12-31-7-591-533, as well as 104210-6052, for the same application. It is built to match the electrical and mounting requirements of the listed vehicles, with a pulley included and clockwise rotation.

Compatible With 2011 BMW 135i, N/A; 2011 BMW 335i, N/A; 2011 BMW 335i xDrive, N/A; 2012 BMW 135i, N/A; 2012 BMW 335i, N/A; and 2012 BMW 335i xDrive, N/A, with the 2012 applications noted to 03/2012. The Remy 11150 is a practical choice when replacing a worn BMW alternator that no longer maintains proper charging output.

Common Reasons for Replacement

• Battery warning light or charging system fault
• Low system voltage or intermittent electrical operation
• Dim lights, weak accessories, or unstable electrical performance
• Noise from a failing alternator bearing or internal component wear
• Charging output that no longer meets vehicle demand

Installation Notes and Tips

Verify the vehicle’s build date before ordering, especially for 2012 BMW 135i, 335i, and 335i xDrive models listed to 03/2012. Confirm pulley style, rotation direction, voltage, and amperage rating against the original unit before installation. Inspect the belt, tensioner, and charging connections during replacement to help ensure proper system operation.

Quality Assurance

Remy Premium Remanufactured parts are remanufactured to restore dependable electrical performance for the specified application. This alternator is built around OE manufacturer reference Nippondenso and is identified by part number 11150 for accurate ordering and service matching.