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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Fitting Position | Front Left |
| Fitting Position | Front Right |
| Thread Size | M 14 x 1.5 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- BMW—3110 0 363 476
- BMW—3110 3 438 623
Where this part fits
Original-fit position for OE 31103438623. The red ring marks where this part installs on the vehicle.
About this product
The TOPRAN Ball Joint (502 048) 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: Fitting Position: Front Left, Fitting Position: Front Right, Thread Size: M 14 x 1, 5 mm, Quantity per axle: Aluminium, Rod/Strut: Brass. 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: 001-10-23072, 03.BJ.472, 0402724, 0402724-K and 128 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 with tracked delivery and a 14-day money-back guarantee with 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 (133)
Show all 133 OE numbers
Ball Joint TOPRAN 502 048 — compatible car models
| Car models | BMW: X3 (E83) |
|---|---|
| Engines | 2.0 d |
| Year of manufacture | 2003-2011 |
| Manufacturer article number (MPN) | 502 048 |
| OE part numbers | 3110 0 363 476, 3110 3 438 623 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 502048 t+. Fitting Position: VL. Fitting Position: VR. Quantity per axle: 2. Rod/Strut: 10. Supplementary Article/Supplementary Info: 7. Thread Size: M 14 x 1,5 mm
- 1x Ball Joint
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 Ball Joint compatible with my car?
This Ball Joint 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 Ball Joint have?
This TOPRAN Ball Joint has the following specifications: Fitting Position: VL; Fitting Position: VR; Thread Size: M 14 x 1,5 mm; Quantity per axle: 2; Rod/Strut: 10; Supplementary Article/Supplementary Info: 7. Check the full specifications table above for complete details.
What OE part numbers does this Ball Joint replace?
This Ball Joint replaces OE part numbers: 3110 0 363 476, 3110 3 438 623. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Ball Joint cost?
This TOPRAN Ball Joint is available for £17.99. Ball Joint 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 Ball Joint?
Signs include clunking or knocking noises from the front suspension, wandering steering, uneven tyre wear, or vibration in the steering wheel.
What tools do I need to replace a Ball Joint?
Tools needed: ball joint separator (fork or press type), 18-21mm socket, hub nut socket (32-36mm on driven axles), torque wrench, new cotter pin. Difficulty: Moderate DIY. Safety warning: Never reuse an old split pin (cotter pin) after disturbing a ball joint nut. A loose ball joint can allow the wheel to detach from the vehicle at speed -- this is a critical safety component.
Can I use this part as a replacement for OE 3110 0 363 476?
Yes, this TOPRAN Ball Joint is a direct replacement for OE part number 3110 0 363 476. 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.
