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Details
| Specification | Value |
|---|---|
| Brand | Borsehung |
| MPN | b1c021 |
OE numbers (5)
Search by this OE number to find compatible parts
- BMW—11317797897
- BMW—11318506650
- BMW—11318510014
- BMW—11318570649
- BMW—11318572503
Where this part fits
Original-fit position for OE 11318570649. The red ring marks where this part installs on the vehicle.
About this product
When timing chain performance matters, the Borsehung B1C021 delivers — built to the same dimensional and material standards as the original part it replaces. 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: 102040, 107254, 11317797897, 11318506650 and 29 more. Matching these numbers confirms a like-for-like replacement with no loss of function. Borsehung is a recognised supplier of automotive engine timing 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Timing Chain buying guide
Why replace this part?
Timing chains serve the same function as timing belts but are designed to last the engine's lifetime. However, chain stretch from oil starvation, worn tensioners, or failed guides can cause timing deviation, valve contact, and severe engine damage.
Signs you need a replacement
- Rattling or clattering on cold start that may disappear when warm
- check engine light with camshaft-crankshaft correlation codes
- rough running on startup
- check engine light for variable valve timing errors
When to replace
No service interval — designed for engine life. Cold-start rattle is a warning sign requiring immediate action. Regular oil changes with the correct grade are the best prevention.
Suitable cars
Equivalent products (28)
Show all 28 OE numbers
Timing Chain Borsehung B1C021 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 1 (F20), 1 (F21), 2 Coupe (F22, F87), 3 Convertible (E93), 3 Coupe (E92), 3 (E90) (+20 more) |
|---|---|
| Engines | 118 d; 116 d; 114 d; 218 d; 320 d; 316 d; 318 d; 330 d xDrive; 420 d; 418 d; 520 d; 518 d; 730 d; sDrive 16 d; 2.0 sd (+3 more) |
| Year of manufacture | 2001-2021 |
| Manufacturer article number (MPN) | B1C021 |
| OE part numbers | 11317797897, 11318506650, 11318510014, 11318570649, 11318572503 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
Borsehung b1c021 . B1C021
- 1x Timing Chain
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Timing Chain compatible with my car?
This Timing Chain 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 Borsehung Timing Chain have?
The package includes the Timing Chain as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Timing Chain replace?
This Timing Chain replaces OE part numbers: 11317797897, 11318506650, 11318510014, 11318570649, 11318572503. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Timing Chain cost?
This Borsehung Timing Chain is available for £27.99. Timing Chain prices vary depending on brand, specifications, and vehicle compatibility. Borsehung parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Timing Chain?
Timing chains are designed to last the engine's lifetime but can wear prematurely. Signs include a rattling or slapping noise from the engine on cold start, the check engine light with camshaft position error codes, or the engine running rough after extended idling.
What tools do I need to replace a Timing Chain?
Tools needed: engine timing lock set (vehicle-specific), socket set, torque wrench, camshaft holding tool, chain tensioner reset tool. Difficulty: Professional required. Safety warning: Timing chain work requires engine timing to be precisely locked before disassembly. Any error will cause major internal engine damage on first start. This job is not suitable for DIY without professional training.
Can I use this part as a replacement for OE 11317797897?
Yes, this Borsehung Timing Chain is a direct replacement for OE part number 11317797897. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
