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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Category | Wheel Bearing Set |
| Rim Hole Number | 5 -Hole |
| Fitting Position | Front Left |
| Fitting Position | Front Right |
| Outer Diameter [mm] | 147 mm |
| Bolt Hole Circle Ø [mm] | 120 mm |
OE/OEM numbers (4)
Search by this OE number to find compatible parts
- BMW—3120 6 794 850
- BMW—3120 6 857 230
- BMW—3120 6 867 256
- BMW—3120 6 876 840
Where this part fits
Original-fit position for OE 31206867256. The red ring marks where this part installs on the vehicle.
About this product
TOPRAN Wheel Bearing Set (503 039) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Rim Hole Number: Rubber -Hole, Fitting Position: Front Left, Fitting Position: Front Right, Quantity per axle: Aluminium, Outer Diameter [mm]: 147 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with BMW 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: 001-10-18276, 01.98126, 051545B, 052437B and 139 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 (147)
Show all 147 OE numbers
Wheel Bearing Set TOPRAN 503 039 — compatible car models
| Car models | BMW: 1 (F20), 1 (F21), 2 Convertible (F23), 2 Coupe (F22, F87), 3 (F30, F80), 3 Gran Turismo (F34), 3 Touring (F31), 4 Convertible (F33, F83), 4 Coupe (F32, F82), 4 Gran Coupe (F36) |
|---|---|
| Engines | 114 d; 218 d; 316 d; 318 d; 425 d; 420 d; 418 d |
| Year of manufacture | 2011-2021 |
| Manufacturer article number (MPN) | 503 039 |
| OE part numbers | 3120 6 794 850, 3120 6 857 230, 3120 6 867 256, 3120 6 876 840 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 503039 Wheel Bearing Set. Bolt Hole Circle Ø [mm]: 120 mm. Fitting Position: VL. Fitting Position: VR. Number of bolts/screws: 4. Outer Diameter [mm]: 147 mm. Quantity per axle: 2. Rim Hole Number: 5 -Hole. Supplementary Article/Info 2: 274
- 1x Wheel Bearing Set
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 Wheel Bearing Set compatible with my car?
This Wheel Bearing Set 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 Wheel Bearing Set have?
This TOPRAN Wheel Bearing Set has the following specifications: Rim Hole Number: 5 -Hole; Fitting Position: VL; Fitting Position: VR; Quantity per axle: 2; Outer Diameter [mm]: 147 mm; Bolt Hole Circle Ø [mm]: 120 mm. Check the full specifications table above for complete details.
What OE part numbers does this Wheel Bearing Set replace?
This Wheel Bearing Set replaces OE part numbers: 3120 6 794 850, 3120 6 857 230, 3120 6 867 256, 3120 6 876 840. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Wheel Bearing Set cost?
This TOPRAN Wheel Bearing Set is available for £64.99. Wheel Bearing Set 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 Wheel Bearing Set?
Listen for humming, growling, or grinding noises that change with vehicle speed, or notice play in the wheel when jacked up.
What tools do I need to replace a Wheel Bearing Set?
Tools needed: floor jack, axle stands, hub puller, bearing press or large socket and vice (for pressing), hub nut socket (typically 30-36mm), new hub nut, torque wrench, circlip pliers. Difficulty: Professional recommended. Safety warning: A failed wheel bearing can lead to wheel detachment. On driven axles the hub nut must be torqued to specification (often 200-300 Nm) -- under-torquing is a serious safety risk.
Can I use this part as a replacement for OE 3120 6 794 850?
Yes, this TOPRAN Wheel Bearing Set is a direct replacement for OE part number 3120 6 794 850. 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.
