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Details
| Specification | Value |
|---|---|
| Brand | KOLBENSCHMIDT |
| Cylinder Bore [mm] | 82 mm |
OE/OEM numbers (8)
Search by this OE number to find compatible parts
- BMW—11 25 8 603 011
- BMW—11 25 8 618 706
- BMW—11 25 8 618 707
- BMW—11 25 8 637 989
- BMW—8 603 011
- BMW—8 618 706
- BMW—8 618 707
- BMW—8 637 989
Where this part fits
Original-fit position for OE 8603011. The red ring marks where this part installs on the vehicle.
What's in the kit
This kit ships with 3 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | 61110 | Piston Ring
| 1 |
| 2 | 61111 | Piston Ring
| 1 |
| 3 | 67001 | Piston Ring
| 1 |
About this product
When piston ring kit performance matters, the KOLBENSCHMIDT 800121410000 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Cylinder Bore [mm]: 82 mm, Component Number: 67001, Component Number: 61111, Component Number: 61110. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with BMW, BMW (BRILLIANCE), 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: 081 RS 00107 0N0, 11 25 8 603 011, 11 25 8 618 706, 11 25 8 618 707 and 5 more. Matching these numbers confirms a like-for-like replacement with no loss of function. KOLBENSCHMIDT 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.
Suitable cars
Equivalent products (1)
Piston Ring Kit KOLBENSCHMIDT 800121410000 — compatible car models
| Car models | BMW: 1 (F20), 1 (F21), 1 (F40), 1 Van (F20), 2 Active Tourer (F45), 2 Active Tourer Van (F45), 2 Convertible (F23), 2 Coupe (F22, F87), 2 Coupe (G42, G87), 2 Gran Coupe (F44) (+20 more) |
|---|---|
| Engines | 116 i; 118 i; 216 i; 218 i; 318 i; 320 i; 330 i; 420 i; 418 i; 520 E PLUG-IN-HYBRID; 520 i; 630 i; 730 i |
| Year of manufacture | 2011-2022 |
| Manufacturer article number (MPN) | 800121410000 |
| OE part numbers | 11 25 8 603 011, 11 25 8 618 706, 11 25 8 618 707, 11 25 8 637 989, 8 603 011, 8 618 706, 8 618 707, 8 637 989 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
KOLBENSCHMIDT 800121410000 . Component Number: 61110. Component Number: 61111. Component Number: 67001. Cylinder Bore [mm]: 82 mm
- 1x Piston Ring Kit
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 Piston Ring Kit compatible with my car?
This Piston Ring Kit fits BMW, BMW (BRILLIANCE), 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 KOLBENSCHMIDT Piston Ring Kit have?
This KOLBENSCHMIDT Piston Ring Kit has the following specifications: Cylinder Bore [mm]: 82 mm; Component Number: 67001; Component Number: 61111; Component Number: 61110. Check the full specifications table above for complete details.
What OE part numbers does this Piston Ring Kit replace?
This Piston Ring Kit replaces OE part numbers: 11 25 8 603 011, 11 25 8 618 706, 11 25 8 618 707, 11 25 8 637 989, 8 603 011, 8 618 706, 8 618 707, 8 637 989. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Piston Ring Kit cost?
This KOLBENSCHMIDT Piston Ring Kit is available for £29.99. Piston Ring Kit prices vary depending on brand, specifications, and vehicle compatibility. KOLBENSCHMIDT parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Piston Ring Kit?
Regular inspection of your Piston Ring Kit 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 Piston Ring Kit?
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 Piston Ring Kit fitted by a professional mechanic.
Can I use this part as a replacement for OE 11 25 8 603 011?
Yes, this KOLBENSCHMIDT Piston Ring Kit is a direct replacement for OE part number 11 25 8 603 011. 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 KOLBENSCHMIDT 800121410000 the same as the KOLBENSCHMIDT 800000610000?
No, while both are Piston Ring Kit parts, they are different products. The KOLBENSCHMIDT 800121410000 has Cylinder Bore [mm]: 82 mm, Component Number: 67001, Component Number: 61111. The KOLBENSCHMIDT 800000610000 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
