- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | MANN-FILTER |
| MPN | cu3124-2 |
| Category | Filter, interior air |
| Length [mm] | 324 mm |
| Width [mm] | 173 mm |
| Height [mm] | 30 mm |
| Quantity Unit | SA |
| Fitting time [min.] | 15 min |
| Highly efficient version with active carbon (Art. No.) | FP 3124-2 |
| Version with active carbon (Art. No.) | CUK 3124-2 |
OE numbers (6)
Search by this OE number to find compatible parts
- BMW—64 11 6 921 018
- BMW—64 11 6 921 019
- BMW—64 11 9 272 643
- BMW—64 31 0 146 843
- BMW—64 31 6 379 959
- BMW—64 31 6 904 638
Where this part fits
Original-fit position for OE 64310146843. The red ring marks where this part installs on the vehicle.
About this product
When filter, interior air performance matters, the MANN-FILTER CU 3124-2 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Length [mm]: 324 mm, Width [mm]: 173 mm, Height [mm]: 30 mm, Quantity Unit: SA, Filter type: 21. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with ALPINA, BMW, ROLLS-ROYCE 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: 0 986 AF4 291, 1457, 17155F-X2, 1 987 431 103 and 59 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MANN-FILTER 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About MANN-FILTER
MANN-FILTER, part of the MANN+HUMMEL group founded in 1941 in Ludwigsburg, Germany, is one of the world's leading filtration specialists. The brand produces oil filters, air filters, fuel filters, cabin filters, and hydraulic filters for virtually every vehicle application. MANN-FILTER is an OE supplier to major manufacturers including Volkswagen, BMW, and Mercedes-Benz. With ISO/TS 16949 certification and products tested to the highest standards, MANN-FILTER ensures clean oil, air, and fuel for optimum engine protection and longevity.
Suitable cars
Equivalent products (57)
Show all 57 OE numbers
Filter, interior air MANN-FILTER CU 3124-2 — compatible car models
| Car models | ALPINA: B7 (E65); BMW: 7 (E65, E66, E67); ROLLS-ROYCE: PHANTOM VII Coupe (RR3), PHANTOM VII Drophead Coupe (RR2), PHANTOM VIII (RR11, RR12), PHANTOM VII (RR1) |
|---|---|
| Engines | 4.4; 730 d; 6.75 V12; V12, V12 EWB; V12 |
| Year of manufacture | 2001-2017 |
| Manufacturer article number (MPN) | CU 3124-2 |
| OE part numbers | 64 11 6 921 018, 64 11 6 921 019, 64 11 9 272 643, 64 31 0 146 843, 64 31 6 379 959, 64 31 6 904 638 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MANN-FILTER cu3124-2 Filter, interior air. EU General Product Safety Regulation (GPSR): 2. Filter type: 21. Fitting time [min.]: 15 min. Height [mm]: 30 mm. Highly efficient version with active carbon (Art. No.): FP 3124-2. Length [mm]: 324 mm. Quantity Unit: SA. Version with active carbon (Art. No.): CUK 3124-2
- 1x Filter, interior air
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 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 Filter, interior air compatible with my car?
This Filter, interior air fits ALPINA, BMW, ROLLS-ROYCE 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 MANN-FILTER Filter, interior air have?
This MANN-FILTER Filter, interior air has the following specifications: Length [mm]: 324 mm; Width [mm]: 173 mm; Height [mm]: 30 mm; Quantity Unit: SA; Filter type: 21; Fitting time [min.]: 15 min. 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: 64 11 6 921 018, 64 11 6 921 019, 64 11 9 272 643, 64 31 0 146 843, 64 31 6 379 959, 64 31 6 904 638. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Filter, interior air cost?
This MANN-FILTER Filter, interior air is available for £38.99. Filter, interior air prices vary depending on brand, specifications, and vehicle compatibility. MANN-FILTER 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 64 11 6 921 018?
Yes, this MANN-FILTER Filter, interior air is a direct replacement for OE part number 64 11 6 921 018. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the MANN-FILTER CU 3124-2 the same as the MANN-FILTER CU 14 001?
No, while both are Filter, interior air parts, they are different products. The MANN-FILTER CU 3124-2 has Length [mm]: 324 mm, Width [mm]: 173 mm, Height [mm]: 30 mm. The MANN-FILTER CU 14 001 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
