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BMW M3 Performance Engine Parts

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Shark Injector V2.0 Performance Software

Removes top speed limiter, raises rev limit to 8,250rpm, improves throttle response, and improves power output - max gains of 22hp and 16tq! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Shark Injector - Corporate Logo
ES#:
3604772
Mfg#:
N4S54MV
Ships on Aug 11, 2026
ON SALE!
Starting at $404.10 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Momentum GT Cold Air Intake System W/ Pro DRY S Filters

ES#4508993 - 50-70083D - Momentum GT Cold Air Intake System W/ Pro DRY S Filters - Adds an impressive 29% flow increase with gains up to +11hp and +13ft-lbs of torque! - AFE - BMW

Adds an impressive 29% flow increase with gains up to +11hp and +13ft-lbs of torque! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4508993
Mfg#:
50-70083D
In Stock at Vendor
20% off MSRP

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

$1010.00

This product was last offered at the strikethrough price on
01-28-2026

$808.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Mirror Chrome Swivel Exhaust Tips - Set of 2

ES#4715559 - 049478la03-01KT - 3.5" Mirror Chrome Swivel Exhaust Tips - Set of 2 - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE
Can be used on any 2.5" exhaust piping. Measure before ordering.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4715559
Mfg#:
049478LA03-01KT
In Stock
$133.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" Universal Mirror Chrome Swivel Exhaust Tip - Priced Each

ES#4674606 - 049478LA03-01 - 3.5" Universal Mirror Chrome Swivel Exhaust Tip - Priced Each - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE TMS20 IN CART FOR BEST PRICE
Can be used on any 2.5" exhaust piping. Measure before ordering.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4674606
Mfg#:
049478LA03-01
In Stock
$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Genuine BMW Rod Bearings - Full Set

ES#3988542 - 11247628034wpcKT - WPC Treated Genuine BMW Rod Bearings - Full Set - Stronger & smoother, with less friction! - ECS - BMW

Stronger & smoother, with less friction! 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#:
3988542
Mfg#:
11247628034WPCKT
Ships on Jul 9, 2026
Auto Notify
$803.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit - S58 - ARP2000

ES#4727616 - ARP-HSK-S58-S - ARP Head Stud Kit - S58 - ARP2000 - Upgrade to ARP2000 Head Studs for Increased Head Clamping Force! - 5150 Autosport - BMW

Upgrade to ARP2000 Head Studs for Increased Head Clamping Force! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727616
Mfg#:
ARP-HSK-S58-S
Ships in 3 Business Days
$399.99 USD
Free Shipping
on orders $49 and up

High Performance Intercooler For BMW S55

ES#4305334 - 1378055100 - High Performance Intercooler For BMW S55 - Increase hp and torque with this intercooler replacement - Racing Dynamics - BMW

Increase hp and torque with this intercooler replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racing Dynamics - Corporate Logo
ES#:
4305334
Mfg#:
1378055100
Ships in 2 Business Days
$795.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Oil Cooler - BMW G8X M3 M4

ES#4669313 - MM0C-G80-21SL - Performance Oil Cooler - BMW G8X M3 M4 - Keep your 2021+ BMW M3/M4 cool and collected with the Mishimoto performance oil cooler! - Mishimoto - BMW

Keep your 2021+ BMW M3/M4 cool and collected with the Mishimoto performance oil cooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4669313
Mfg#:
MM0C-G80-21SL
Ships in 3 Business Days
$776.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Flow Water Methanol Check Valve

ES#3988118 - Sn0-8cv-qc - High Flow Water Methanol Check Valve - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
3988118
Mfg#:
SN0-8CV-QC
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 "Bulletproof" Crank Kit

ES#4642991 - ECSS55BPKRKT - S55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! - Assembled By ECS - BMW

...or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4642991
Mfg#:
ECSS55BPKRKT
Ships on Jun 15, 2026
$765.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

CTS Turbo S58 Performance Intake System

ES#5435051 - IT-945 - CTS Turbo S58 Performance Intake System - Optimizes airflow to your engine for greater horsepower and torque gains, plus improved throttle response - CTS - BMW

Optimizes airflow to your engine for greater horsepower and torque gains, plus improved throttle response affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
5435051
Mfg#:
IT-945
Ships in 7 Business Days
15% off MSRP

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

$449.99

This product was last offered at the strikethrough price on
06-12-2026

$382.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E36/Z3 3.5" Silicone Intake Boot - black/Red

ES#2764615 - OSEE3692IB35BK - E36/Z3 3.5" Silicone Intake Boot - black/Red - The cure for the common rotted intake boot - lifetime warranty! - Mishimoto - BMW

The cure for the common rotted intake boot - lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without ASC or with ASC Delete

Brand:
Mishimoto - Corporate Logo
ES#:
2764615
Mfg#:
OSEE3692IB35BK
In Stock
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 "Bulletproof" Crank Kit

ES#4365387 - ECSs55bpKT - S55 "Bulletproof" Crank Kit - .or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. - Assembled By ECS - BMW

...or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4365387
Mfg#:
ECSS55BPKT
Ships on Aug 14, 2026
ON SALE!
$786.99

This product was last offered at the strikethrough price on
01-03-2026

$763.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 Multi-Port Injection Kit - 750cc

ES#4364613 - 601-0016 - S55 Multi-Port Injection Kit - 750cc - The ultimate supplementary fueling kit for the S55 engine! - Precision Raceworks - BMW

The ultimate supplementary fueling kit for the S55 engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4364613
Mfg#:
601-0016
Ships in 9 Business Days
$759.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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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