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Bosch AL9446X Alternator
| Brand | Bosch AL9446X |
|---|---|
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 12 |
| Plug Type | 50.2 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| External Fan Included | No |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | No |
| Pulley Groove Quantity | 8 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 50.2 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 210 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Nd |
| Pulley Type | 8s |
| Pulley Type / Belt Type (Alternator) | 8s |
| Product line | Alternator (Remanufactured) |
| Fits | BMW · 14 vehicles |
Remanufactured alternator. Built and tested for dependable charging performance.
Internal regulator. Integrated control helps simplify the charging system.
Aluminum case. Lightweight construction with a durable finish.
Cross-references 12317591529 for the same application. See all 1.
Bosch Remanufactured Alternator AL9446X
Bosch AL9446X is a remanufactured 12-volt alternator built for BMW charging-system service where stable output and OE-style fit are required. It features an internal regulator, internal fan, and an included pulley with an 8-groove belt profile for the listed BMW applications.
Key Features
- Remanufactured Bosch alternator for 12V charging systems
- 210 amp amperage rating for higher electrical demand
- Internal regulator and internal fan design
- Clockwise rotation
- Pulley included; 8-groove pulley type with 50.2 mm outside diameter
- Aluminum case and aluminum housing construction
- Direct replacement style for BMW alternator service
Product Details
Bosch Premium Alternators are remanufactured, tested, and built to deliver consistent charging performance and reliability. The AL9446X uses an internal regulator, clockwise rotation, and a pulley matched to the 8S belt type. This Bosch alternator is a practical replacement for BMW 535i, 535i GT, 535i GT xDrive, 535i xDrive, 640i, X3, X5, and X6 applications listed below. Part number AL9446X also cross-references BMW OE number 12317591529 for the same application.
Vehicle Fitment
- Fits 2011-2012 BMW 535i, N/A, to 215 amp alternator
- Fits 2010-2012 BMW 535i GT, N/A, to 215 amp alternator
- Fits 2011-2012 BMW 535i GT xDrive, N/A, to 215 amp alternator
- Fits 2011-2012 BMW 535i xDrive, N/A, to 215 amp alternator
- Fits 2012 BMW 640i, N/A, to 215 amp alternator
- Fits 2011-2012 BMW X3, N/A, to 215 amp alternator
- Fits 2012 BMW X5, N/A
- Fits 2012 BMW X6, N/A
Common Replacement Reasons
- Battery warning light or charging-system fault
- Low charging output under electrical load
- Dim lights, slow accessory operation, or voltage instability
- Alternator noise from worn internal components
- Replacement for a failed BMW alternator on the listed models
Installation Notes
Verify pulley style, connector type, rotation direction, and amperage rating before installation. Confirm the vehicle’s charging-system specification, especially on BMW 535i and BMW X3 applications noted for the 215 amp alternator. Inspect the belt, tensioner, and battery condition during replacement to help prevent repeat charging faults.
Quality Assurance
This Bosch alternator is part of the Bosch Premium Alternators line, which is engineered, remanufactured, and tested for dependable charging performance in OE-style service applications.
| Year | Make | Model | Transmission | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|
| 2012 | BMW | 535i | Automatic | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | 535i GT | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | 535i GT xDrive | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | 535i xDrive | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | 640i | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | X3 | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2012 | BMW | X5 | — | 3.0L | L6 | Alternator (Remanufactured) |
| 2012 | BMW | X6 | — | 3.0L | L6 | Alternator (Remanufactured) |
| 2011 | BMW | 535i | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2011 | BMW | 535i GT | — | 3.0L | L6 | Alternator (Remanufactured) |
| 2011 | BMW | 535i GT xDrive | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2011 | BMW | 535i xDrive | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2011 | BMW | X3 | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
| 2010 | BMW | 535i GT | — | 3.0L | L6 | To 215 Amp Alternator; Alternator (Remanufactured) |
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