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WAI 11358N Alternator
Reliable Alternator for BMW 5 Series, 6 Series, 7 Series, and X5 Models
The WAI 11358N alternator is designed to meet the electrical demands of select BMW vehicles, including the 545i, 550i, 645Ci, 650Ci, 650i, 745i, 745Li, 750i, 750Li, and X5. Engineered with an internal fan and a serpentine belt pulley, this alternator ensures consistent charging performance and durability.
Key Features of the WAI 11358N Alternator
- 12-volt electrical system compatibility
- Internal fan type for efficient cooling
- Clockwise (right) rotation direction
- Includes a 6-groove serpentine pulley
- Internal voltage regulator for stable output
- 180-amp amperage rating suitable for high electrical loads
- Valeo family design for quality and fitment
- No decoupled or clutch pulley included
Detailed Product Description
The WAI 11358N alternator is built to provide reliable electrical charging and starting support for various BMW models, including the 5 Series, 6 Series, 7 Series, and X5. Featuring an internal fan, this alternator maintains optimal operating temperatures, reducing the risk of overheating during extended use. The clockwise rotation and serpentine belt pulley with six grooves ensure compatibility with the factory belt system, simplifying installation and maintaining proper belt alignment. The internal voltage regulator helps maintain consistent voltage output, protecting your vehicle’s electrical components. With a 180-amp rating, this alternator supports vehicles with higher electrical demands, such as those equipped with advanced electronics and luxury features.
Common Applications and Issues Addressed
- Replacement for failing or underperforming alternators in BMW 545i, 550i, 645Ci, 650Ci, 650i, 745i, 745Li, 750i, 750Li, and X5 models
- Resolves battery charging problems and electrical system malfunctions
- Eliminates dimming headlights and electrical accessory failures
- Prevents vehicle stalling caused by insufficient alternator output
- Addresses overheating issues related to alternator cooling inefficiency
Installation Notes and Tips
Ensure the alternator pulley matches the factory serpentine belt system with six grooves. Verify the clockwise rotation direction aligns with your vehicle’s engine setup. Since this alternator includes an internal voltage regulator, external regulators are not required. Properly torque mounting bolts and reconnect electrical connections securely to avoid charging system faults. It is recommended to test the charging system after installation to confirm correct operation.
Quality Assurance and Warranty
The WAI 11358N alternator is manufactured to meet OEM specifications and is part of the Valeo family, known for consistent quality and fitment. While specific warranty details are not provided here, WAI products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.
| Brand | WAI |
| Part Number | 11358N |
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Valeo |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 180 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | BMW | 550i | 4.8L | V8 | N/A | |
| 2010 | BMW | 650i | N/A | |||
| 2009 | BMW | 550i | 4.8L | V8 | N/A | |
| 2009 | BMW | 650i | N/A | |||
| 2008 | BMW | 550i | 4.8L | V8 | N/A | |
| 2008 | BMW | 650i | N/A | |||
| 2008 | BMW | 750i | 4.8L | V8 | N/A | |
| 2008 | BMW | 750Li | 4.8L | V8 | N/A | |
| 2007 | BMW | 550i | 4.8L | V8 | N/A | |
| 2007 | BMW | 650Ci | N/A | Mexico | ||
| 2007 | BMW | 650i | N/A | |||
| 2007 | BMW | 750i | 4.8L | V8 | N/A | |
| 2007 | BMW | 750Li | 4.8L | V8 | N/A | |
| 2006 | BMW | 545i | N/A | Mexico | ||
| 2006 | BMW | X5 | 4.4L | V8 | N/A | |
| 2005 | BMW | 545i | N/A | |||
| 2005 | BMW | 645Ci | N/A | |||
| 2005 | BMW | 745i | N/A | |||
| 2005 | BMW | 745Li | N/A | |||
| 2005 | BMW | X5 | 4.4L | V8 | N/A | |
| 2004 | BMW | 545i | N/A | |||
| 2004 | BMW | 645Ci | N/A | |||
| 2004 | BMW | 745i | N/A | 180 Amp, Air Cooled | ||
| 2004 | BMW | 745Li | N/A | 180 Amp, Air Cooled | ||
| 2004 | BMW | X5 | 4.8L | V8 | N/A |
* 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.