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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
4.4 ★★★★★
Based on 465 reviews
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Product Reviews
★★★★★ 5
Good quality trash bags with reliable strength and pleasant scent
Size: 140 Count (Pack of 1), Size: 140 Count (Pack of 1)
I’ve been using these Glad ForceFlex Tall Kitchen Trash Bags (13 Gallon, Gain Lavender scent) for my regular household trash, and overall they’ve performed very well. The material feels strong and flexible, which helps prevent tearing when the bag gets full or when disposing of heavier items.
One thing I appreciate is the ForceFlex design, which allows the bag to stretch instead of ripping when handling bulky waste. The drawstring closure is also sturdy and makes it easy to tie and carry the bag without worrying about leaks or spills.
The Gain Lavender scent is noticeable but not overpowering. It helps reduce everyday trash odors, especially in the kitchen, which is a nice bonus for a busy household.
In terms of capacity, the 13 gallon size fits standard kitchen trash cans perfectly, and the box lasts a good amount of time, making it practical for routine use.
What I liked most:
The strength and flexibility of the bags stand out. They hold up well even with heavier trash, and the scent adds a fresh touch without being overwhelming.
What could be improved:
While the scent is pleasant, those who prefer unscented bags may want another option. Also, depending on usage, the price may feel slightly higher than basic trash bags, but the durability helps justify it.
Overall:
These are dependable kitchen trash bags that combine durability, flexibility, and odor control. I would consider purchasing them again for everyday household use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
★★★★★ 5
Surprisingly great—no more kitchen odors!
Size: 140 Count (Pack of 1)
I honestly didn't think I’d be this impressed by trash bags, but these have been a total game-changer for my kitchen.
The Gain Lavender scent is subtle but does a great job of masking that typical "trash smell," and the bags themselves are super strong. The ForceFlex material actually lives up to the name—they stretch without ripping, so I don't have to worry about them breaking on the way to the bin. It sounds silly, but it’s made such a difference in keeping the kitchen cleaner and stress-free. Definitely worth the buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 5
Strong and reliable for everyday use
Size: 140 Count (Pack of 1)
I’ve been using these trash bags and I’m honestly impressed. They are very strong and don’t tear easily, even when they’re full or holding heavier items. I like that they have a good capacity and fit perfectly in my kitchen trash can.
They also help prevent leaks and bad odors, which is a big plus. I’ve used them for daily trash as well as bigger clean-ups, and they’ve held up really well every time.
Definitely a reliable option if you’re looking for durability and quality. I would buy them again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Good and affordable
Size: 140 Count (Pack of 1)
This trash bags impressed me positively. They are really strong they can support heavy junk. The lavender scent is amazing. They fit well on my trash can.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 5
Great bags
Size: 140 Count (Pack of 1), Size: 140 Count (Pack of 1)
I’ve been really impressed with the Glad ForceFlex Tall Kitchen Trash Bags. The durability is definitely noticeable, they hold up well even with heavier trash and don’t tear easily. The ForceFlex feature really makes a difference because the bags stretch instead of ripping. The Gain Lavender scent is also a huge plus, it actually smells fresh and helps keep the kitchen from smelling like garbage. Overall, they’re strong, reliable, and make taking out the trash a lot less unpleasant.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
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