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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Thread Size | M 10 |
| Overall Length [mm] | 77 mm |
| Thread Pitch [mm] | 1.5 mm |
| Screw length below head [mm] | 65 mm |
OE/OEM numbers (5)
Search by this OE number to find compatible parts
- BMW / MINI—1123 7 797 996
- BMW / MINI—1123 8 578 993
- BMW / MINI—1123 8 585 220
- BMW / MINI—1123 8 586 724
- BMW / MINI—1123 8 653 643
Where this part fits
Original-fit position for OE 11237797996. The red ring marks where this part installs on the vehicle.
About this product
TOPRAN Pulley Bolt (503 682) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Thread Size: M 10, Overall Length [mm]: 77 mm, Bolt Head-/Nut Design: Rubber, Bolt/Nut Version: 32, Thread Pitch [mm]: Steel, Rubber mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with BMW, MINI vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 1123 7 797 996, 1123 8 578 993, 1123 8 585 220, 1123 8 586 724 and 7 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Equivalent products (8)
Pulley Bolt TOPRAN 503 682 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 1 (F20), 1 (F21), 1 (F40), 2 Active Tourer (F45), 2 Active Tourer (U06), 2 Convertible (F23) (+20 more) |
|---|---|
| Engines | 118 d; 116 d; 114 d; 214 d; 216i; 218 d; 218 i; 320 d; 330 i; 316 d; 318 d; 420 d; 420 d Mild-Hybrid; 418 d; 520 d |
| Year of manufacture | 1997-2021 |
| Manufacturer article number (MPN) | 503 682 |
| OE part numbers | 1123 7 797 996, 1123 8 578 993, 1123 8 585 220, 1123 8 586 724, 1123 8 653 643 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 503682 . Bolt Head-/Nut Design: 5. Bolt/Nut Version: 32. Overall Length [mm]: 77 mm. Screw length below head [mm]: 65 mm. Strength class: 11. Thread Pitch [mm]: 1,5 mm. Thread Size: M 10
- 1x Pulley Bolt
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Pulley Bolt compatible with my car?
This Pulley Bolt fits BMW, MINI vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this TOPRAN Pulley Bolt have?
This TOPRAN Pulley Bolt has the following specifications: Thread Size: M 10; Overall Length [mm]: 77 mm; Bolt Head-/Nut Design: 5; Bolt/Nut Version: 32; Thread Pitch [mm]: 1,5 mm; Strength class: 11. Check the full specifications table above for complete details.
What OE part numbers does this Pulley Bolt replace?
This Pulley Bolt replaces OE part numbers: 1123 7 797 996, 1123 8 578 993, 1123 8 585 220, 1123 8 586 724, 1123 8 653 643. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Pulley Bolt cost?
This TOPRAN Pulley Bolt is available for £4.99. Pulley Bolt prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Pulley Bolt?
Regular inspection of your Pulley Bolt is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Pulley Bolt?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Pulley Bolt fitted by a professional mechanic.
Can I use this part as a replacement for OE 1123 7 797 996?
Yes, this TOPRAN Pulley Bolt is a direct replacement for OE part number 1123 7 797 996. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the TOPRAN 503 682 the same as the TOPRAN 108 642?
No, while both are Pulley Bolt parts, they are different products. The TOPRAN 503 682 has Thread Size: M 10, Overall Length [mm]: 77 mm, Bolt Head-/Nut Design: 5. The TOPRAN 108 642 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
