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BMW M3 Performance Engine Parts

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ES#4840608 - 345626 - BMW S50B30 JE Piston EURO FSR KIT - JE Pistons BMW S50B30 Euro Piston 86.00mm Bore 1.245in. CH -4.30 CC - Single Piston - JE Piston - BMW

JE Pistons BMW S50B30 Euro Piston 86.00mm Bore 1.245in. CH -4.30 CC - Single Piston affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840608
Mfg#:
345626
In Stock at Vendor
$1349.99 USD
Free Shipping
on orders $49 and up
ES#4842595 - 297171 - BMW S52B32 JE Pistons - JE Pistons Forged Piston Set  BMW S52B32US  9:1 Compression Ratio - JE Piston - BMW

JE Pistons Forged Piston Set – BMW S52B32US – 9:1 Compression Ratio affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4842595
Mfg#:
297171
In Stock at Vendor
$1324.99 USD
Free Shipping
on orders $49 and up
ES#4840489 - 312383 - BMW S50B32 EURO KIT - Optimized for the 3.0L inline-six, these lightweight pistons improve combustion efficiency and throttle response. - JE Piston - BMW

Optimized for the 3.0L inline-six, these lightweight pistons improve combustion efficiency and throttle response. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840489
Mfg#:
312383
In Stock at Vendor
$1349.99 USD
Free Shipping
on orders $49 and up
ES#4840641 - 297172S - BMW S54B32 11.5:1 Single Piston 86.50mm - Whether you're racing or upgrading your street car, this piston offers the perfect balance of strength and precision. Specs: 86.50 mm Bore  1.220 in. CH, -9.40 CC - JE Piston - BMW

Whether you're racing or upgrading your street car, this piston offers the perfect balance of strength and precision. Specs: 86.50 mm Bore – 1.220 in. CH, -9.40 CC affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4840641
Mfg#:
297172S
In Stock at Vendor
$1324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3164607 - 63-1116 - S65 Performance Air Intake System - Great sound and increase power with this K&N intake kit! - K&N - BMW

Great sound and increase power with this K&N intake kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
3164607
Mfg#:
63-1116
Ships in 4 Business Days
ON SALE! SAVE 13%
$380.99

This product was last offered at the strikethrough price on
05-15-2026

$330.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4662444 - S45033CF - MBRP Stainless Steel Axleback Exhaust System - G80/G82/G83 - Carbon Fiber Tips - MBRP - BMW

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

Brand:
MBRP - Corporate Logo
ES#:
4662444
Mfg#:
S45033CF
In Stock at Vendor
$2379.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4061563 - SSXBM1064 - Performance Street Exhaust With High Flow Cats - Motorsport pedigree. Superior quality. Excellent sound. Milltek exhaust for enhanced performance. - Milltek Sport - BMW

Motorsport pedigree. Superior quality. Excellent sound. Milltek exhaust for enhanced performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4061563
Mfg#:
SSXBM1064
Ships in 3 Business Days
$1948.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4759542 - SSXBM117X - Performance Axle Back Exhaust System - Enhance the sound of your BMW's exhaust with this exhaust system from Milltek Sport - Milltek Sport - BMW

Enhance the sound of your BMW's exhaust with this exhaust system from Milltek Sport affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
4759542
Mfg#:
SSXBM117X
Ships in 3 Business Days
Starting at $3781.99 USD
ES#5435239 - MMAI-G80-21CFG - Performance Intake - Carbon Fiber, Gloss - The Mishimoto Carbon Fiber Performance Air Intake is a precision-engineered solution designed to unlock the full potential of the BMW S58 engine. - Mishimoto - BMW

The Mishimoto Carbon Fiber Performance Air Intake is a precision-engineered solution designed to unlock the full potential of the BMW S58 engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435239
Mfg#:
MMAI-G80-21CFG
EO#:
D-759-13
Ships in 3 Business Days
$2617.00 USD
ES#5435241 - MMAI-G80-21CFM - Performance Intake - Carbon Fiber, Matte - Engineered to eliminate the pneumatic bottlenecks found in the stock S58 airboxes. - Mishimoto - BMW

Engineered to eliminate the pneumatic bottlenecks found in the stock S58 airboxes. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435241
Mfg#:
MMAI-G80-21CFM
EO#:
D-759-13
Ships in 3 Business Days
$2617.00 USD
ES#5435263 - MMAI-G80-21H - Open Airbox Performance Intake - A precision-engineered solution designed to optimize the breathing of the BMW S58 engine. - Mishimoto - BMW

A precision-engineered solution designed to optimize the breathing of the BMW S58 engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435263
Mfg#:
MMAI-G80-21H
Ships in 3 Business Days
$815.99 USD
ES#4715350 - MMHE-G80-21MT - Performance Heat Exchanger - Manual Transmission - Keep your charge air cool under the most demanding conditions - Mishimoto - BMW

Keep your charge air cool under the most demanding conditions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4715350
Mfg#:
MMHE-G80-21MT
In Stock at Vendor
$810.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5434562 - NM.64508358 - NM Engineering Power Module EVO - CS/CSL - Next-Gen Power Delivery with OEM-Level Integration - up to +95 HP / +70 TQ - NM Engineering - BMW

Next-Gen Power Delivery with OEM-Level Integration - up to +95 HP / +70 TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For CS and CSL models only - not for standard M3 / M4 models

Brand:
NM Engineering - Corporate Logo
ES#:
5434562
Mfg#:
NM.64508358
Ships in 2 Business Days
5% off MSRP

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

$599.00

This product was last offered at the strikethrough price on
06-18-2026

$569.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5434560 - NM.64508058 - NM Engineering Power Module EVO - Next-Gen Power Delivery with OEM-Level Integration - up to +130 HP / +100 TQ - NM Engineering - BMW

Next-Gen Power Delivery with OEM-Level Integration - up to +130 HP / +100 TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
NM Engineering - Corporate Logo
ES#:
5434560
Mfg#:
NM.64508058
Ships in 2 Business Days
5% off MSRP

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

$599.00

This product was last offered at the strikethrough price on
06-18-2026

$569.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4031190 - 9807221 - Supersprint Performance Exhaust System - 100% handcrafted in Italy. Stainless steel construction. Legendary sound! - Supersprint - BMW

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#:
4031190
Mfg#:
9807221
Ships on Sep 22, 2026
Starting at $2612.98 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.

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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