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Details
| Specification | Value |
|---|---|
| Brand | OPTIMAL |
| Category | Wheel Bearing Set |
| Rim Hole Number | 5 -Hole |
| Width [mm] | 96 mm |
| Thread Size | M12 x 1.25 |
| Outer Diameter [mm] | 147 mm |
| Width 2 [mm] | 51 mm |
| Outer Diameter 1 [mm] | 90 mm |
OE/OEM numbers (4)
Search by this OE number to find compatible parts
- BMW—31206794850
- BMW—31206857230
- BMW—31206867256
- BMW—31206876840
Where this part fits
Original-fit position for OE 31206867256. The red ring marks where this part installs on the vehicle.
About this product
The OPTIMAL Wheel Bearing Set (501108) 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, Width [mm]: 96 mm, Thread Size: M12 x 1.25, Outer Diameter [mm]: 147 mm, Width 2 [mm]: 51 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit BMW, BMW (BRILLIANCE) 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: 051545B, 11454572, 201587, 20 94 7315 and 31 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL 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 OPTIMAL
OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.
Suitable cars
Equivalent products (31)
Show all 31 OE numbers
Wheel Bearing Set OPTIMAL 501108 — compatible car models
| Car models | BMW: 1 (F20), 1 (F21), 1 Van (F20), 2 Convertible (F23), 2 Coupe (F22, F87), 3 (F30, F80), 3 Gran Turismo (F34), 3 Touring (F31), 3 Touring Van (F31), 4 Convertible (F33, F83) (+2 more); BMW (BRILLIANCE): 3 SERIES (F30, F35) |
|---|---|
| Engines | 114 d; 118 d; 218 d; 316 d; 318 d; 330 d; 420 d; 418 d; 316 i |
| Year of manufacture | 2011-2021 |
| Manufacturer article number (MPN) | 501108 |
| OE part numbers | 31206794850, 31206857230, 31206867256, 31206876840 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
OPTIMAL 501108 Wheel Bearing Set. Outer Diameter 1 [mm]: 90 mm. Outer Diameter [mm]: 147 mm. Rim Hole Number: 5 -Hole. Thread Size: M12 x 1.25. Width 2 [mm]: 51 mm. Width [mm]: 96 mm
- 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, BMW (BRILLIANCE) 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 OPTIMAL Wheel Bearing Set have?
This OPTIMAL Wheel Bearing Set has the following specifications: Rim Hole Number: 5 -Hole; Width [mm]: 96 mm; Thread Size: M12 x 1.25; Outer Diameter [mm]: 147 mm; Width 2 [mm]: 51 mm; Outer Diameter 1 [mm]: 90 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: 31206794850, 31206857230, 31206867256, 31206876840. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Wheel Bearing Set cost?
This OPTIMAL Wheel Bearing Set is available for £90.99. Wheel Bearing Set prices vary depending on brand, specifications, and vehicle compatibility. OPTIMAL 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 31206794850?
Yes, this OPTIMAL Wheel Bearing Set is a direct replacement for OE part number 31206794850. 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.
