The aFe Magnum FLOW Pro DRY S filter is a drop-in replacement for the factory airbox panel filters on the S58 twin-turbo inline-six. Three layers of progressive oil-free synthetic media deliver strong filtration efficiency and dust holding capacity, and the filter never needs oiling: it is washable and reusable with aFe Power Cleaner. Deep, rounded, evenly spaced pleats increase usable surface area and airflow, while a full 360-degree polyurethane frame with a progressive bump seal conforms to the housing with no gaskets or sealant. Sold as a pair covering the left and right airboxes, and no CARB EO is required.
Specifications
| Type | OE replacement panel air filter (Magnum FLOW) |
| Media | Three-layer oil-free synthetic (Pro DRY S) |
| Frame | 100% polyurethane, 360-degree |
| Seal | Progressive bump seal, no gaskets or sealant required |
| Service | Washable and reusable, no oil required |
| Emissions | No CARB EO required |
| Part Number | 30-10431DM |
| Quantity | Pair (2 filters, left & right) |
| Warranty | Limited lifetime, original purchaser |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2026 | BMW | M2 | Base |
| 2021-2026 | BMW | M3 | Base |
| 2021-2026 | BMW | M3 | Competition |
| 2022-2026 | BMW | M3 | Competition xDrive |
| 2024 | BMW | M3 | CS |
| 2021-2026 | BMW | M4 | Base |
| 2021-2026 | BMW | M4 | Competition |
| 2022-2026 | BMW | M4 | Competition xDrive |
| 2025 | BMW | M4 | CS |
| 2023 | BMW | M4 | CSL |
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
