aFe Momentum GT cold air intake system with a one-piece sealed cross-linked polyethylene housing, a large sight window and a dyno-tuned XLPE intake tube with stainless clamps and a silicone bellows coupling. It fits with the factory strut brace in place. The 6-1/2 in tall inverted 360 degree radial flow filter uses three-layer oil-free synthetic Pro DRY S media. It flows 19% more air than the factory intake (280 CFM at 7 in H2O) and is rated at 8 hp and 15 lb-ft over stock.
Specifications
| Type | Cold Air Intake System |
| Series | Momentum GT |
| Filter Media | Pro DRY S, three-layer oil-free synthetic, washable and reusable |
| Construction | One-piece sealed XLPE housing with large sight window; dyno-tuned XLPE tube; stainless clamps |
| Filter | 6-1/2 in tall 360 degree radial flow, inverted top, 3-1/2 in flange |
| Gains | +8 hp, +15 lb-ft; 19% more airflow than the factory intake (280 CFM at 7 in H2O) |
| What's in the Box |
|
| Fitment Notes | Does not fit early 2019 models with the pre-LCI MAF sensor (those take 50-70097); check that your MAF sensor matches before ordering. Fits with the factory strut brace. BMW 228i Gran Coupe 2021-2024, BMW 228i xDrive Gran Coupe 2020-2024, BMW X1 sDrive28i 2019-2022 and 7 more: L4-2.0L (t) B46 Engine; Mini Cooper 2019-2024, Mini Cooper Clubman 2019-2024, Mini Cooper Countryman 2019-2024: L3-1.5L (t) B36 Engine |
| Replacement Filter | 21-91097 (Pro DRY S) |
| Filter Color | Gray |
| Hardware Included | Yes |
| Air Flow Gain | 19 Percent |
| Air Box Type | Closed |
| Heat Shield Included | Yes |
| Tune Required | No |
| Warranty | 2 years on components (original owner) |
| Part Number | 50-70068D |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2023 | BMW | 228i Gran Coupe | Base |
| 2020-2023 | BMW | 228i xDrive Gran Coupe | Base |
| 2019-2022 | BMW | X1 | sDrive28i |
| 2019-2022 | BMW | X1 | xDrive28i |
| 2019-2023 | BMW | X2 | sDrive28i |
| 2019-2023 | BMW | X2 | xDrive28i |
| 2019-2024 | Mini | Cooper | Base |
| 2019-2024 | Mini | Cooper | John Cooper Works |
| 2019-2023 | Mini | Cooper | S |
| 2019 | Mini | Cooper Clubman | ALL4 |
| 2019 | Mini | Cooper Clubman | Base |
| 2019-2024 | Mini | Cooper Clubman | S |
| 2019-2024 | Mini | Cooper Countryman | ALL4 |
| 2019-2024 | Mini | Cooper Countryman | Base |
| 2019-2024 | Mini | Cooper Countryman | S |
Documents: Installation Instructions (PDF) | Airflow Chart | Dyno Chart | Filter Cleaning Instructions
Does it fit an early 2019 Cooper S?
- Not if it has the pre-LCI MAF sensor. Those cars take part number 50-70097; check your MAF sensor before ordering.
Does it clear the factory strut brace?
- Yes. It fits with the factory strut brace and needs no modification.
How do I service the filter?
- The Pro DRY S filter is washable and reusable; cleaning instructions are linked under Documents. The replacement filter is part number 21-91097.
What comes in the box?
- Filter, housing, intake tube, silicone bellows coupling, clamps, screws and auxiliary plug.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items 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






