- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Category | bearing |
| Rim Hole Number | 5 -Hole |
| Fitting Position | Front Top |
| Thread Size | M14 x 1.25 |
| Bolt Hole Circle Ø [mm] | 120 mm |
OE/OEM numbers (4)
Search by this OE number to find compatible parts
- BMW—3120 6 777 757
- BMW—3120 6 850 154
- BMW—3120 6 867 088
- BMW—3120 6 870 725
Where this part fits
Original-fit position for OE 31206850154. The red ring marks where this part installs on the vehicle.
About this product
The TOPRAN bearing (634 163) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Rim Hole Number: Rubber -Hole, Fitting Position: VG, Thread Size: M14 x 1, 25, Bolt Hole Circle Ø [mm]: 120 mm, Supplementary Article/Info 2: 912. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit BMW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 001-10-23177, 001-10-29478, 01.97998, 01.98127 and 87 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 (88)
Show all 88 OE numbers
bearing TOPRAN 634 163 — compatible car models
| Car models | BMW: X3 (F25), X4 (F26) |
|---|---|
| Engines | xDrive 20 d; M 40 i |
| Year of manufacture | 2010-2018 |
| Manufacturer article number (MPN) | 634 163 |
| OE part numbers | 3120 6 777 757, 3120 6 850 154, 3120 6 867 088, 3120 6 870 725 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 634163 bearing. Bolt Hole Circle Ø [mm]: 120 mm. Fitting Position: VG. Number of flange connections: 5. Rim Hole Number: 5 -Hole. Supplementary Article/Info 2: 476. Supplementary Article/Info 2: 912. Thread Size: M14 x 1,25
- 1x bearing
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 bearing compatible with my car?
This bearing fits BMW 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 bearing have?
This TOPRAN bearing has the following specifications: Rim Hole Number: 5 -Hole; Fitting Position: VG; Thread Size: M14 x 1,25; Bolt Hole Circle Ø [mm]: 120 mm; Supplementary Article/Info 2: 912; Supplementary Article/Info 2: 476. Check the full specifications table above for complete details.
What OE part numbers does this bearing replace?
This bearing replaces OE part numbers: 3120 6 777 757, 3120 6 850 154, 3120 6 867 088, 3120 6 870 725. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a bearing cost?
This TOPRAN bearing is available for £78.99. Bearing 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 bearing?
Regular inspection of your bearing 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 bearing?
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 bearing fitted by a professional mechanic.
Can I use this part as a replacement for OE 3120 6 777 757?
Yes, this TOPRAN bearing is a direct replacement for OE part number 3120 6 777 757. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
