Details
Product Information
aFe Magnum FORCE Stage-2 intake system with an open-element XLPE housing that pulls in air from the front of the car and keeps warm engine air away from the filter. The 7 in tall 360 degree radial flow filter has a 4 in flange and Pro DRY S three-layer oil-free synthetic media, connected through a dyno-tuned XLPE intake tube. It flows 605 CFM at 7 in H2O, 34% more than the factory intake. It installs at the factory mounting points with no cutting or modifications.
Specifications
| Type | Cold Air Intake System |
| Series | Magnum FORCE Stage-2 |
| Filter Media | Pro DRY S, three-layer oil-free synthetic, washable and reusable |
| Housing | Open-element one-piece XLPE housing drawing air from the front of the car |
| Filter | 7 in tall 360 degree radial flow, 4 in flange |
| Gains | 605 CFM @ 7 in H2O, 34% more airflow than the factory intake |
| Tune Required | No |
| What's in the Box |
|
| Replacement Filter | 21-90113 (Pro DRY S) |
| Engine | L6-3.0L (t) N55 Engine |
| Filter Color | Gray |
| Hardware Included | Yes |
| Air Flow Gain | 34 Percent |
| Air Box Type | Open |
| Heat Shield Included | Yes |
| Warranty | 2 years on components (original owner) |
| Part Number | 54-13033D |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2015 | BMW | 335i | Base |
| 2013-2015 | BMW | 335i xDrive | Base |
| 2014-2016 | BMW | 435i | Base |
| 2015-2016 | BMW | 435i Gran Coupe | Base |
| 2014-2016 | BMW | 435i xDrive | Base |
| 2015-2016 | BMW | 435i xDrive Gran Coupe | Base |
| 2016-2018 | BMW | M2 | Base |
| 2014-2016 | BMW | M235i | Base |
| 2015-2016 | BMW | M235i xDrive | Base |
Documents: Installation Instructions (PDF) | Airflow Chart | Dyno Chart | Filter Cleaning Instructions
Will it fit my 340i?
- No. It is made for the 3.0L turbo 2012-2015 335i, 2014-2016 435i and M235i and 2016-2018 M2 listed above.
Do I need a tune?
- No tune is required.
What comes in the box?
- The Pro DRY S filter, the housing and intake tube, a vacuum line fitting and cap, a grommet, trim seal, Torx screws and a T20 bit.
How do I service the filter?
- The Pro DRY S filter is oil-free, washable and reusable; cleaning instructions are linked under Documents. The replacement filter is part number 21-90113.
Shipping
- In stock orders typically ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty






