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Description
Alternator Overunner Pulley Bmw E87,E46 ,E90,E61 N42B20,N46B20,N52B30 (MAP-100797)Alternator Freewheel Clutch for BMW MINI MAP 100797 This alternator freewheel clutch is a direct replacement part for the vehicle applications listed below. 6 grooves, width 38,3 mm, diameter 49,0 17,0 mm. This part requires special tools for mounting observe service information. Confirm compatibility by matching OEM reference numbers, engine chassis details, and model year. VIN check is recommended where variants exist. Key Details SKU MAP 100797
Alternator Freewheel Clutch for BMW / MINI – MAP-100797
This alternator freewheel clutch is a direct replacement part for the vehicle applications listed below. 6 grooves, width 38,3 mm, diameter 49,0/17,0 mm. This part requires special tools for mounting — observe service information. Confirm compatibility by matching OEM reference numbers, engine/chassis details, and model year. VIN check is recommended where variants exist.
Key Details
- SKU
- MAP-100797
- Component
- Alternator freewheel clutch
- OEM References
-
- 12 31 7 516 105 (BMW)
- 12 31 7 516 723 (BMW)
- 12 31 7 516 724 (BMW)
- 12 31 7 521 178 (BMW)
- 12 31 7 521 382 (BMW)
- 12 31 7 521 385 (BMW)
- 12 31 7 521 491 (BMW)
- 12 31 7 525 376 (BMW)
- 12 31 7 532 271 (BMW)
- 12 31 7 532 965 (BMW)
- 12 31 7 532 967 (BMW)
- 12 31 7 532 968 (BMW)
- 12 31 7 516 105 (MINI)
- 12 31 7 516 723 (MINI)
- 12 31 7 516 724 (MINI)
- 12 31 7 521 178 (MINI)
- 12 31 7 521 382 (MINI)
- 12 31 7 521 385 (MINI)
- 12 31 7 521 491 (MINI)
- 12 31 7 525 376 (MINI)
- 12 31 7 532 271 (MINI)
- 12 31 7 532 965 (MINI)
- 12 31 7 532 967 (MINI)
- 12 31 7 532 968 (MINI)
- Primary Fitment
- BMW 118i [E87] N46B20 (2005–2007)
- Included
- Alternator freewheel clutch
- Specs
- 6 grooves; distance to first groove 11,6 mm; width 38,3 mm; diameter 49,0/17,0 mm; requires special tools for mounting
Key Benefits
- OEM reference numbers listed for cross-checking before ordering
- 6-groove pulley specification provided to match the alternator drive setup
- Dimensions supplied to help confirm compatibility where variations exist
- Service note: requires special tools for mounting (observe service information)
OEM Reference Numbers
- BMW: 12 31 7 516 105; 12 31 7 516 723; 12 31 7 516 724; 12 31 7 521 178; 12 31 7 521 382; 12 31 7 521 385; 12 31 7 521 491; 12 31 7 525 376; 12 31 7 532 271; 12 31 7 532 965; 12 31 7 532 967; 12 31 7 532 968
- MINI: 12 31 7 516 105; 12 31 7 516 723; 12 31 7 516 724; 12 31 7 521 178; 12 31 7 521 382; 12 31 7 521 385; 12 31 7 521 491; 12 31 7 525 376; 12 31 7 532 271; 12 31 7 532 965; 12 31 7 532 967; 12 31 7 532 968
Product Specifications
| Specification | Value |
|---|---|
| Number of grooves | 6 |
| Distance to first groove [mm] | 11,6 |
| Width [mm] | 38,3 mm |
| Diameter 1 / 2 [mm] | 49,0/17,0 mm |
| For manufacturer number | F-238005.XX; F-230329.XX |
| Supplementary info | Requires special tools for mounting; Observe service information |
Vehicle Fitment
- BMW – 118i [E87] N46B20 (2005–2007)
- BMW – 120i [E87] N46B20 (2005–2007)
- BMW – 120i [E87] N46B20B,C (2007–2011)
- BMW – 130i [E87] N52B30 (2006–2011)
- BMW – 318i [E46] N42B20 (2001–2005)
- BMW – 318Ti [E46] N42B20 (2001–2005)
- BMW – 320D [E46] M47D20 (2000–2005)
- BMW – 320D [E90] M47D20 (2005–2007)
- BMW – 320i [E90/E91] N46B20 (2005–2012)
- BMW – 323i [E90] N52B25 (2005–2007)
- BMW – 325i [E90] N52B25 (2005–2013)
- BMW – 330i [E90] N52B30 (2005–2007)
- BMW – 330i [E90/E91] N53B30A (2007–2013)
- BMW – 523i [E60] N52B25 (2005–2010)
- BMW – 523i [E60] N52B25A (2007–2010)
- BMW – 525I [E60] N52B25 (2004–2010)
- BMW – 530i [E60] N52B30 (2005–2007)
- BMW – 530i [E60] N53B30 (2007–2010)
- BMW – X1 sDRIVE 18i [E84] N46B20B (2010–2014)
- BMW – X3 2.0i [E83] N46B20 (2005–2010)
- BMW – Z4 2.0i [E85] N46B20 (2006–2008)
Fitment Notes
- Always match by OEM reference number(s) and vehicle details before ordering.
- Confirm exact fitment using your VIN, engine code, or chassis/platform details if multiple variants exist.
- Trust signal: OEM references and fitment details are provided to support accurate cross-checking.
- Service note: this part requires special tools for mounting — observe service information.
- South Africa nationwide delivery available – contact us for fitment assistance.
Common Questions
Does this alternator freewheel clutch fit my BMW?
This part (MAP-100797) is listed for the fitments shown on this page. Confirm by matching OEM reference numbers and verifying VIN/engine/chassis where variants exist.
What OEM part numbers does this replace?
Cross-references include 12 31 7 516 105, 12 31 7 516 723, 12 31 7 516 724, 12 31 7 521 178, 12 31 7 525 376, and others listed above (BMW/MINI). Match at least one OEM reference to your original part before ordering.
Do I need special tools to install this?
Yes. The supplied service information notes that this part requires special tools for mounting. Installation should follow the manufacturer service procedure.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy