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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
4.1 ★★★★★
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Product Reviews
★★★★★ 5
Very good story!!!
Format: Kindle
I loved the characters and the storyline. Even a little mystery weaved in to the RH experience. The story made me laugh, cringe, hold my breath, and get sweaty. The love scenes were 🔥🔥🔥 🔥!!!! Great story to read!
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Reviewed in the United States on January 8, 2026
★★★★★ 4
So So Amazing
Format: Kindle
I received this book wiht the understanding that I could leave a voluntary and honest review.
In this book we meet June Wilder, Rhett Lawson, Cole Thibault, & Elias Nystrom. When this book opens we find that June has just joined the Atlanta Reapers as their new physical trainer. From the moment she starts she knows that she is going to get push back but there is something about not only this team but these guys that have become more to her than she thought when she first started. Rhett is the kind of guy who make a joke with anyone. One night when something happens with June he realizes there is something more than just jokes with her. Cole has been compartmentalized his life for years now. With the addition of June to the team he finds himself finding a person who understands his compartments and lets him be him. Elias is a man who is a an island. When he learns that opening up to one person who sees him allows him to grow and heal in many ways. Can they all find a HEA or will their positions make that impossible?
Another amazing story by this author. I would highly recommend it to anyone.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Good spicy campy hockey
Format: Kindle
I really enjoyed the character development. Reading about their growth and dealing with individual issues made good entertainment. Some surprising twists that made the book even better. Really glad we didn't have to go down the angst road where the public got to damage the budding relationships.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Great read!
Format: Kindle
Wonderful characters with great humor, a bit of mystery and a strong silent grumpy Sentinel to stand with the leading lady. They make her stronger but she also makes them stronger. I love the dynamics and the way it played out. This was a fun read!.
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
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Reviewed in the United States on December 26, 2025
★★★★★ 5
June lives her life squarely in the NSFW zone...
Format: Kindle
June Wilder has embarked on the career of a lifetime-- the newest head physical trainer for NHL's Atlanta Reapers! She's relatively young for the position, not to mention female. In a male dominated sport, she's hoping to one day earn the trust and respect of the players, coaching staff and the organization. What she doesn't expect is to be an equal participant in flirty banter and NSFW activities in her office with handsome Right Wing Rhett Lawson. She quickly finds that Team Captain Cole Thibault is a confident and calming presence in her daily work activities-- and the man she goes on quite possibly the most perfect date with. Then there's Elias Nystrom, the Swedish Goalie who is quiet, HULKING in size, and downright frightens her-- with whom she shares a secret which could get her in hot water if discovered. Each of these team members intrigues her. Each she has a relationship with that is not entirely permitted as their head physical trainer. As she gets to know each of them better, she's falling deeper for each of them. Will she successfully navigate through the season without losing not only her job but her heart? What happens when each of the men find out about each other? Will she be asked to choose between them?
This book has everything I look for in a sinfully decadent read-- a strong, independent, and likable FMC; charming, protective, and sexy MMCs; a plot that is entertaining, well thought out and executes some unexpected twists; and has chemistry that explodes off of the pages. Once again author Cassie Cole has expertly achieved all of these things in her latest book "Hat Trick". I'm a big fan of the RH genre. Of all the authors I read, Cassie Cole is far and away my favorite to date. If you read this book, you will not be disappointed!
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Reviewed in the United States on December 1, 2025
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