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Your Vehicle BMW F85 X5 M S63 4.4L

BMW F85 X5 M S63 4.4L Performance Engine Parts

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Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 3 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3552889
Mfg#:
522213
Ships on Sep 23, 2026
$1216.99 USD
Free Shipping

A low exhaust note with a free flow design affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
4033169
Mfg#:
989242KT
Ships in 4 Business Days
$1941.99 USD

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3247913
Mfg#:
522236
Ships on Sep 23, 2026
$1284.00 USD
Free Shipping

A more aggressive sound and increased power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
4033166
Mfg#:
989232KT
Ships on Sep 23, 2026
$4543.99 USD
Free Shipping
on orders $49 and up

Unleash the Full Potential of the S63 Engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5456839
Mfg#:
F85X5MVSESBRBRT
Ships in 2 Business Days
$3149.99 USD
Free Shipping

Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446634
Mfg#:
GARROUTT4G4045
Ships on Jul 7, 2026
$37.99 USD
Free Shipping
ES#4686062 - UVM.63MM.x1 - Universal Valved Muffler Kit - Single Inlet / Single Outlet - 2.5" (63mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Valvetronic Designs - Corporate Logo
ES#:
4686062
Mfg#:
UVM.63MM.X1
Ships in 6 Business Days
$399.99 USD
Free Shipping
on orders $49 and up
ES#4642843 - TTE10077 - New TTE850M+ Upgraded Turbocharger - S63 - 850+ Capable! - The Turbo Engineers - BMW

850+ Capable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4642843
Mfg#:
TTE10077
Ships on Jul 8, 2026
$6889.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4642844 - TTE10078 - New TTE900M+ Upgraded Turbocharger - S63 - 900+ Capable! - The Turbo Engineers - BMW

900+ Capable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4642844
Mfg#:
TTE10078
Ships on Jul 8, 2026
$7650.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Quick connect union T-fitting for 1/4" Nylon affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826282
Mfg#:
82040
Special Order: No Guaranteed ETA
$23.99 USD
Free Shipping
on orders $49 and up
ES#3612869 - 49-36342-P - MACH Force-XP 3-1/2 IN 304 Stainless Steel Cat-Back Exhaust System w/o Muffler w/ Polished Tip  - Add power, sound and unique style to your BMW X5/X6 M with this cat-back system which produced gains of up to +20 horsepower and +33 lbs. x ft. torque - AFE - BMW

Add power, sound and unique style to your BMW X5/X6 M with this cat-back system which produced gains of up to +20 horsepower and +33 lbs. x ft. torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3612869
Mfg#:
49-36342-P
Back Ordered
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$5012.99

This product was last offered at the strikethrough price on
05-27-2026

$4010.00 USD

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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