Restore fuel mileage and performance with a brand new air filter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier! For models with the earlier B46 engine - not compatible with the later B46D (B46TU) engine
Get the most performance out of your engine!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! For 2017-2023 BMW 530i/540i/640i Dinan High Flow Drop-in Replacement Air Filter
Brand:
ES#:
4690613
Mfg#:
D401-0043
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$69.99
This product was last offered at the strikethrough price on 06-12-2026
High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE
Preserve & maintain your air filter for a lifetime like it was designed to be used
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Restore fuel mileage and performance with a brand new air filter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with the earlier B46 engine - not compatible with the later B46D (B46TU) engine
Brand:
ES#:
2977105
Mfg#:
13718577170
In Stock
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$55.74
This product was last offered at the strikethrough price on 06-12-2026
Preserve & maintain your air filter for a lifetime like it was designed to use
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi
Brand:
ES#:
3491802
Mfg#:
99-5000KT
In Stock
$24.00
This product was last offered at the strikethrough price on 05-27-2026
Protect your engine with a high quality engine air filter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with a production date from 01/2017+
Brand:
ES#:
3486437
Mfg#:
13718691835
Ships in 2 Business Days
14% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$55.99
This product was last offered at the strikethrough price on 06-12-2026
Keep your engine breathing all the fresh air it can with a replacement intake air filter or upgrade to a high-flow intake air filter for better sound and performance.