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BMW M5 Performance Engine Parts

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ES#4730417 - 05-563-00146-0KT - Weistec BMW M5 F90 S63TU W.2 ECU Tune  - Increase of +125 Horsepower, and +142 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! - Weistec - BMW

Increase of +125 Horsepower, and +142 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4730417
Mfg#:
05-563-00146-0KT
Ships in 7 Business Days
$2799.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Want your S63 to push 1000HP! Here the perfect kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4872133
Mfg#:
5150-TBK-S63-F10
Ships in 4 Business Days
$6799.99 USD

This valved cat back system features wireless remote control and quad chrome silver tips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675852
Mfg#:
BMF5M-QS11C
Ships on Jun 25, 2026
$6972.00 USD
Free Shipping

This valved cat back system features wireless remote control and quad carbon fiber tips. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Armytrix - Corporate Logo
ES#:
3675850
Mfg#:
BMF5M-QC11
Ships on Jun 25, 2026
$7812.00 USD
Free Shipping

The best way to hear what that V10 is all about affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes $75 in gift cards for future purchases!

Brand:
Corsa - Corporate Logo
ES#:
3478462
Mfg#:
COR14556BKT
Ships on Jun 25, 2026
$2222.99 USD
This product is lifetime replacement eligible Lifetime Replacement

600cc per minute set of 10 fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications - Will require additional tuning or modifications.

Brand:
DeatschWerks - Corporate Logo
ES#:
4488428
Mfg#:
17MX-00-0600-10
Ships in 3 Business Days
$1029.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Proven power with low noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
4315927
Mfg#:
MRABEBE60M5LRKT1
Ships in 5 Business Days
$1234.00 USD
This product is lifetime replacement eligible Lifetime Replacement

An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447562
Mfg#:
SSXBM1183
Ships in 4 Business Days
$5728.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447564
Mfg#:
SSXBM1181
Ships in 4 Business Days
$4948.00 USD
This product is lifetime replacement eligible Lifetime Replacement

An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447561
Mfg#:
SSXBM1182
Ships in 4 Business Days
$5328.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

An entire system from the downpipes back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With OPF (2020+)

Brand:
Milltek Sport - Corporate Logo
ES#:
4447563
Mfg#:
SSXBM1184
Ships in 4 Business Days
$5248.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Designed utilizing 5-ply wire-reinforced silicone that can never suck shut, a full 3.5 Inch design to outflow all other aftermarket options affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
RK Tunes - Corporate Logo
ES#:
4876344
Mfg#:
41961808560233
Ships in 3 Business Days
$1199.99 USD
Free Shipping
on orders $49 and up

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

100% handcrafted in Italy. Stainless steel construction. Legendary sound! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3644201
Mfg#:
782832
Ships in 4 Business Days
$3372.00 USD
Free Shipping

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.

Let us help you find the parts that fit your BMW

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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