Understanding BMW Part Numbers
BMW uses an 11-digit part numbering system that every supplier — in China or anywhere — should recognize. Understanding this system is the first step to sourcing BMW parts accurately.
| BMW Part Number Example | Meaning |
|---|---|
| 34 11 6 761 242 | Brake pad set, front — BMW 3 Series (F30) |
| 11 42 7 510 661 | Oil filter — common across multiple BMW engines |
| 13 71 7 588 482 | Air filter — BMW 5 Series (G30) |
The first two digits indicate the part group (34 = brakes, 11 = engine, 13 = fuel/air system). The last seven digits identify the specific part. When sourcing from Chinese suppliers, always provide the full 11-digit number.
Where to Find BMW Part Numbers
- RealOEM.com — The most widely used online BMW parts catalog. Enter your VIN to get exact part diagrams and numbers.
- BMW ETK (Electronic Parts Catalog) — The official BMW catalog, available through dealer portals and some online versions.
- On the original part — BMW stamps part numbers on most components. Clean the part and look carefully — numbers can be small.
- Your vehicle's VIN — The last 7 digits of your BMW VIN can be entered into RealOEM to pull up every part specific to that vehicle.
BMW Parts Most Commonly Sourced from China
Chinese suppliers are particularly competitive for these BMW part categories:
- Suspension components — Control arms, bushings, ball joints, tie rods. Chinese OE-quality alternatives can be 60-70% cheaper than dealer prices.
- Brake components — Brake pads, brake discs, wear sensors. Many Chinese manufacturers produce to ECE R90 standards.
- Cooling system parts — Radiators, water pumps, expansion tanks. Common failure points on BMWs with high aftermarket demand.
- Body and lighting parts — Headlights, taillights, mirrors, bumpers. Chinese suppliers offer excellent fitment at competitive prices.
- Engine gaskets and seals — Valve cover gaskets, oil filter housing gaskets, oil pan gaskets. High-volume items where Chinese quality has improved significantly.
- Filters — Oil, air, cabin, and fuel filters. Many Chinese filter manufacturers supply major international brands.
BMW-Specific Sourcing Tips
1. Watch for LCI (Life Cycle Impulse) Changes
BMW updates parts during mid-cycle refresh (LCI). A 2014 BMW 3 Series (pre-LCI) may use different parts than a 2016 model (post-LCI), even for the same "F30" chassis. Always verify parts by VIN, not just by model and year.
2. Check Supersession Chains
BMW regularly supersedes part numbers. A part number 34 11 6 761 242 may be superseded by 34 11 6 888 889. Chinese suppliers can check the supersession chain, but it's better if you verify on RealOEM first.
3. Specify M-Sport vs Standard
BMW M-Sport models use different brake pads, suspension components, and body parts than standard models. Always specify if you need M-Sport parts — the price and supplier can be completely different.
How We Source BMW Parts
Send us your BMW part numbers (or your VIN and a description of what you need). We'll search across our supplier network in Guangzhou and Dongguan, compare OE-quality and aftermarket options, and show you the trade-offs. For volume orders, we can connect you directly with specialized BMW parts manufacturers.