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BMW E34 525i M50 2.5L Engine Air Filters

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ES#3697634 - 003675ECS03-02 - Universal High Flow Performance Air Filter - Dry (2.5" inlet) - 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 - ECS - Audi BMW Volkswagen

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

Brand:
ECS - Corporate Logo
ES#:
3697634
Mfg#:
003675ECS03-02
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2626400 - C9005 -  Pipercross Filter Cleaning Kit - Includes cleaner and dirt retention additive - Pipercross - Audi BMW Mercedes Benz MINI Porsche

Includes cleaner and dirt retention additive affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
2626400
Mfg#:
C9005
Ships on Jul 7, 2026
$18.99 USD
Free Shipping
on orders $49 and up
ES#260834 - 13721726916 - Engine Air Filter 33-2078 - Drop in performance air filter - K&N - BMW

Drop in performance air filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
260834
Mfg#:
13721726916
Special Order: No Guaranteed ETA
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#260832 - 13721726916 - Air Filter - Keep your engine breathing fresh air - Mann - BMW

Keep your engine breathing fresh air affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
260832
Mfg#:
13721726916
Ships in 1-2 days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2626404 - C9003 - Filter Cleaning Fluid - 500ml - Removes dirt from oiled Pipercross filters to regain air flow performance - Pipercross - Audi BMW Mercedes Benz MINI Porsche

Removes dirt from oiled Pipercross filters to regain air flow performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
2626404
Mfg#:
C9003
Ships in 9 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
ES#4753135 - 13721730918 - Air Filter - A high quality aftermarket replacement filter that will provide clean air to your engine. - Mahle - BMW

A high quality aftermarket replacement filter that will provide clean air to your engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
4753135
Mfg#:
13721730918
In Stock at Vendor
$26.99

This product was last offered at the strikethrough price on
02-22-2026

$21.00 USD
Free Shipping
on orders $49 and up
ES#4304215 - 13721726916 - Air Filter - Keep your engine breathing fresh air - Hengst - BMW
ECS Tuning recommends this product.

Keep your engine breathing fresh air 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!

Brand:
Hengst - Corporate Logo
ES#:
4304215
Mfg#:
13721726916
Ships on Jul 7, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More air flow means more power! Direct replacement with long service life. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pipercross - Corporate Logo
ES#:
4830091
Mfg#:
PP90
Ships on Jul 7, 2026
$64.99 USD
Free Shipping
on orders $49 and up

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