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MPA Electrical 15509 Alternator
Reliable Alternator for BMW 535i, 735i, and 735iL
The MPA Electrical Remanufactured Alternator 15509 is designed to meet the electrical demands of BMW 535i, 735i, and 735iL models. This 12-volt alternator delivers 140 amps of power with a clockwise rotation, ensuring consistent charging performance for your vehicle's battery and electrical system.
- Output: 140 amps at 12 volts
- Rotation: Clockwise
- Fan Type: External for efficient cooling
- Regulator: Internal for simplified installation
- Pulley: Without pulley, compatible with factory pulley setups
- Manufacturer: Bosch components for reliable performance
- Clock Position: 11:30 for proper fitment
About the MPA Electrical Remanufactured Product Line
The Remanufactured line from MPA Electrical offers alternators rebuilt to meet original equipment specifications. This process includes thorough testing and replacement of worn components, providing a cost-effective alternative to new parts without compromising on quality. The 15509 alternator benefits from this remanufacturing process, ensuring dependable operation for BMW 535i, 735i, and 735iL vehicles.
Detailed Alternator Features and Specifications
This alternator features an external fan design that enhances cooling efficiency during operation, helping to maintain optimal temperature and prolong component life. The internal voltage regulator simplifies installation by eliminating the need for an external regulator. The unit is supplied without a pulley, allowing compatibility with existing factory pulleys on BMW 535i, 735i, and 735iL models. The 11:30 clock position ensures proper alignment and fitment within the engine bay. Manufactured with Bosch components, this alternator maintains consistent electrical output and durability.
Common Issues Addressed by This Alternator
- Battery not charging or slow charging
- Dim or flickering headlights and dashboard lights
- Electrical system warning lights illuminated
- Unusual noises from the alternator area
- Vehicle stalling or difficulty starting due to electrical failure
Installation Notes and Tips
Before installation, verify the alternator's clock position and rotation match your BMW 535i, 735i, or 735iL requirements. Since this unit comes without a pulley, reuse the factory pulley or ensure compatibility with your existing setup. Disconnect the battery prior to removal and installation to prevent electrical shorts. Tighten mounting bolts to manufacturer specifications and double-check electrical connections for secure fitment.
Quality Assurance and Warranty
The MPA Electrical Remanufactured Alternator 15509 undergoes comprehensive testing to meet OEM standards. While specific warranty details are not provided here, remanufactured parts typically include limited warranties covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.
| Brand | MPA Electrical |
| Part Number | 15509 |
| Position | Remanufactured |
| Amps | 140 Amps |
| Clock | 11:30 |
| Fan | External |
| Manufacturer | Bosch |
| Pulley | Without Pulley |
| Regulator | Internal |
| Rotation | Clockwise |
| Volts | 12 Volts |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | BMW | 535i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1992 | BMW | 735i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1992 | BMW | 735iL | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1991 | BMW | 735i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1991 | BMW | 735iL | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1990 | BMW | 735i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1990 | BMW | 735iL | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1989 | BMW | 735i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1989 | BMW | 735iL | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1988 | BMW | 735i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1988 | BMW | 735iL | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
| 1987 | BMW | 735i | 3.5L | L6 | N/A | 140 amp alternator required.; Remanufactured |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.