aFe Momentum GT Pro DRY S Cold Air Intake System - BMW 5 / 7 / 8 Series and X3 / X4 3.0L Turbo 2016-2026

aFe SKU: AFE50-70073D
Price
Regular price $427.51
Regular price $598.75 Sale price $427.51
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aFe Momentum GT cold air intake system with a one-piece sealed cross-linked polyethylene housing, a large sight window, an aluminum heat shield panel and a dyno-tuned XLPE intake tube. It fits with the factory strut brace in place. The 6 in tall inverted 360 degree radial flow filter uses three-layer oil-free synthetic Pro DRY S media. It flows 20% more air than the factory intake (245 CFM at 7 in H2O) and is rated at 9 hp and 16 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 and aluminum heat shield panel; dyno-tuned XLPE tube; stainless clamps
Filter 6 in tall 360 degree radial flow, inverted top, 4-1/2 in flange
Gains +9 hp, +16 lb-ft; 20% more airflow than the factory intake (245 CFM at 7 in H2O)
What's in the Box
  • Filter
  • Housing
  • Intake tube
  • Silicone bellows coupling
  • Clamps
  • Aluminum fittings
  • Grommet
  • Auxiliary plug and screws
Fitment Notes 3.0L turbo 6-cylinder (B58) only. Fits with the factory strut brace
Replacement Filter 21-91144 (Pro DRY S)
Engine L6-3.0L (t) B58 Engine
Filter Color Gray
Hardware Included Yes
Air Flow Gain 20 Percent
Air Box Type Closed
Heat Shield Included Yes
Tune Required No
Warranty 2 years on components (original owner)
Part Number 50-70073D

This part fits:

Year Make Model Submodel
2017-2023 BMW 540i Base
2017-2023 BMW 540i xDrive Base
2016-2022 BMW 740i Base
2017-2022 BMW 740i xDrive Base
2020-2026 BMW 840i Base
2020-2026 BMW 840i Gran Coupe Base
2020-2026 BMW 840i xDrive Base
2020-2026 BMW 840i xDrive Gran Coupe Base
2018-2019 BMW X3 M40i
2019 BMW X4 M40i

Documents: Installation Instructions (PDF) | Airflow Chart | Dyno Chart | Filter Cleaning Instructions

Does it fit the 530i?

  • No. It is made for the 3.0L turbo 6-cylinder 540i, 740i, 840i and X3 / X4 M40i.

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 21-91144.

What comes in the box?

  • Filter, housing, intake tube, silicone bellows coupling, clamps, aluminum fittings, grommet, auxiliary plug and screws.

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

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