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Bosch AL0757X Alternator
| Brand | Bosch AL0757X |
|---|---|
| Amperage Rating | 150 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| External Fan Included | No |
| External Regulator Included | No |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | VA |
| Outside Pulley Diameter | 54.3 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 2 |
| Plug Type | 63 |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| Pulley Type | 6S |
| Pulley Type / Belt Type (Alternator) | 6S |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Voltage | 12 |
| Product line | Alternator (Remanufactured) |
| Fits | BMW · 3 vehicles |
Remanufactured alternator. Built and tested for dependable charging performance.
Internal fan design. Helps manage heat for consistent operation.
Aluminum case. Lightweight construction with a durable finish.
Cross-references 12317837691 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch AL0757X Remanufactured Alternator
The Bosch AL0757X is a remanufactured 12-volt alternator built for charging performance and dependable electrical output. It is engineered for 2006-2008 BMW Z4 applications with a 150 amp alternator specification, making it a direct-fit replacement for the listed vehicle range.
Key Features
- Remanufactured Bosch alternator for OE-style replacement
- 12-volt charging system with 150 amp amperage rating
- Internal fan and internal regulator design
- Clockwise rotation
- 6-groove pulley included with 54.3 mm outside diameter
- Aluminum case and aluminum case material
- 6S pulley / belt type configuration
- Fits 2006-2008 BMW Z4, N/A
Product Details
Bosch Premium Alternators are remanufactured, tested, and built to deliver consistent charging performance and reliability. The AL0757X uses an internal regulator, internal fan, and clockwise rotation, with a pulley already installed for the specified application. This part cross-references BMW 12317837691 for the same application. For shoppers searching for a BMW Z4 alternator replacement, Bosch AL0757X provides the correct fitment details for 2006-2008 BMW Z4 models listed at 150 amps.
Common Charging System Issues
- Battery warning light illuminated on the dash
- Weak charging output or low system voltage
- Dim headlights or unstable electrical performance
- Alternator noise from worn internal components
- Charging failure on a 2006-2008 BMW Z4, N/A
Installation Notes and Tips
Verify the vehicle’s alternator specification, pulley configuration, plug type, and mounting ear orientation before installation. This Bosch AL0757X uses a 63 plug type and a plug clock rear view main mounting ear at 6 o’clock. Confirm clockwise rotation, 6-groove belt alignment, and 150 amp application match the original unit before replacing the alternator on your BMW Z4.
Quality Assurance
Bosch remanufactured alternators are built and tested to meet the demands of modern charging systems. The AL0757X is designed for consistent electrical output and dependable operation in the specified BMW Z4 applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | BMW | Z4 | 3.2L | L6 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2007 | BMW | Z4 | 3.2L | L6 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
| 2006 | BMW | Z4 | 3.2L | L6 | N/A | To 150 Amp Alternator; Alternator (Remanufactured) |
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