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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Category | Filter, interior air |
| Length [mm] | 298 mm |
| Width [mm] | 212 mm |
| Height [mm] | 28 mm |
OE/OEM numbers (3)
Search by this OE number to find compatible parts
- BMW—6411 5 A2A D31
- BMW—6411 5 A50 995
- BMW—6411 9 382 886
Where this part fits
Original-fit position for OE 64115A2AD31. The red ring marks where this part installs on the vehicle.
About this product
The TOPRAN Filter, interior air (503 308) 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: Length [mm]: 298 mm, Width [mm]: 212 mm, Height [mm]: 28 mm, Filter type: Stainless Steel, Filter type: Carbon. 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: 001-10-27271, 08.59.095, 0 986 628 580, 0 986 AF4 551 and 117 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive filtration 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 (122)
Show all 122 OE numbers
Filter, interior air TOPRAN 503 308 — compatible car models
| Car models | BMW: 2 Coupe (G42, G87), 3 (E46), 3 (F30, F80), 3 (G20, G80, G28), 3 Touring (E91), 3 Touring (G21, G81), 4 Convertible (G23, G83), 4 Coupe (G22, G82), 4 Gran Coupe (G26), X3 (G01, F97, G08) (+2 more) |
|---|---|
| Engines | 218 i; 330 i; 330 i xDrive; 2.0 320i ActiveFlex; 325 i; 316 d Mild-Hybrid; 420 d Mild-Hybrid; sDrive 18 d; xDrive 20 d; M40 i |
| Year of manufacture | 1997-2021 |
| Manufacturer article number (MPN) | 503 308 |
| OE part numbers | 6411 5 A2A D31, 6411 5 A50 995, 6411 9 382 886 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 503308 Filter, interior air. Filter type: 8. Filter type: 9. Height [mm]: 28 mm. Length [mm]: 298 mm. Width [mm]: 212 mm
- 1x Filter, interior air
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 Filter, interior air compatible with my car?
This Filter, interior air 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 Filter, interior air have?
This TOPRAN Filter, interior air has the following specifications: Length [mm]: 298 mm; Width [mm]: 212 mm; Height [mm]: 28 mm; Filter type: 9; Filter type: 8. Check the full specifications table above for complete details.
What OE part numbers does this Filter, interior air replace?
This Filter, interior air replaces OE part numbers: 6411 5 A2A D31, 6411 5 A50 995, 6411 9 382 886. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Filter, interior air cost?
This TOPRAN Filter, interior air is available for £14.99. Filter, interior air 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 Filter, interior air?
Replace when you notice reduced airflow from the HVAC system, persistent musty odours, increased noise when the fan is running, or fogging windows. Most cabin filters should be changed every 15,000-25,000 miles.
What tools do I need to replace a Filter, interior air?
Tools needed: flat-head screwdriver or 8mm socket may be required to remove the glove box (location and access varies by model -- check the vehicle handbook). Difficulty: Easy DIY. Safety warning: Wear a dust mask when removing a heavily contaminated cabin filter -- it traps fine particulates, allergens, and bacteria.
Can I use this part as a replacement for OE 6411 5 A2A D31?
Yes, this TOPRAN Filter, interior air is a direct replacement for OE part number 6411 5 A2A D31. 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.
