aFe Magnum FORCE Stage-2 Pro DRY S Cold Air Intake System - BMW 340i / 440i / M240i 2016-2021 - Black Cover

Will it fit a 740i or a convertible?

• No. It fits the B58 340i, 340i GT, 440i and 440i Gran Coupe and M240i listed above; the 740i takes a different intake, and convertible models are excluded because of the factory strut brace.

What comes in the box?

• The Pro DRY S filter, intake tube, black cover with a plug for the auxiliary inlet, silicone double hump coupling, two clamps and two M4 Torx screws. The factory MAF sensor moves over to the aFe tube.

How much power does it add?

• It is rated at +9 hp and +10 lb-ft maximum gains, tested on a 2016 340i, with a 400 CFM rating at 7 in H2O.

How do I service the filter?

• The Pro DRY S filter is washable and reusable and needs no oil; clean it with dry filter cleaner 90-10601. The replacement filter is 21-90096.

Does it need cutting or drilling?

• No. It bolts to the factory lower airbox with no cutting or drilling on factory parts.

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