Bosch AL0747X Alternator

Bosch AL0747X Remanufactured Alternator

The Bosch AL0747X is a remanufactured 12-volt alternator built for charging-system performance and dependable electrical output. It is a direct-fit replacement for select BMW applications, including BMW 740i, 740iL, 750iL, 840Ci, 850Ci, and 540i models listed below.

Key Features

• Remanufactured Bosch alternator for 12-volt charging systems
• 140 amp amperage rating for OE-style electrical output
• Internal fan design with clockwise rotation
• Internal regulator configuration
• Includes pulley; 7-groove pulley design with 45 mm outside diameter
• Aluminum case and aluminum case material for OE-style fit and finish
• Plug type 335 with rear-view plug clock at 6 o’clock
• External fan included and external regulator included as listed in product data

Product Details

Bosch Premium Alternators are remanufactured, built, and tested to deliver consistent charging performance and reliability. The AL0747X is engineered for BMW charging-system service where correct voltage regulation and stable alternator output are critical. This Bosch alternator, part number AL0747X, is a practical replacement for vehicles that need a 140 amp unit with the specified pulley and connector configuration. If you are searching for a remanufactured BMW alternator for a 1995-1998 BMW 750iL or a 1996-1997 BMW 740iL, this unit matches the listed application data.

This part cross-references BMW OE numbers 12311432832 and 12311741138 for the same application.

What It Helps Address

• Battery warning light caused by weak alternator output
• Low charging voltage at idle or under electrical load
• Dim headlights or unstable accessory performance
• Charging-system failure from worn internal components
• Fitment issues when replacing the original BMW alternator with the correct pulley and plug setup

Installation Notes and Tips

Verify the connector style, pulley groove count, rotation direction, and amperage rating before installation. This Bosch AL0747X uses a 335 plug type, clockwise rotation, and a 7-groove pulley, so matching the original unit is important for proper installation. Confirm vehicle-specific fitment for BMW 740i, 740iL, 750iL, 840Ci, 850Ci, and 540i applications before replacing the alternator.

• Fits 1995-1998 BMW 750iL, N/A; to 140 amp alternator
• Fits 1997 BMW 540i, N/A
• Fits 1997 BMW 740i, N/A
• Fits 1996-1997 BMW 740iL, N/A
• Fits 1996-1997 BMW 840Ci, N/A; to 140 amp alternator
• Fits 1995-1997 BMW 850Ci, N/A; to 140 amp alternator
• Fits 1995 BMW 740i, N/A; to 140 amp alternator
• Fits 1995 BMW 740iL, N/A; to 140 amp alternator

Quality Assurance

Bosch remanufactured alternators are built and tested to meet the demands of OE-style charging-system service. The AL0747X is packaged in a box and produced to support reliable electrical performance in the listed BMW applications.