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BMW M3 Performance Engine & Drivetrain Parts

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E9x M3 Upgraded Billet Differential Cover

ES#4830512 - 049395LA - E9x M3 Upgraded Billet Differential Cover - Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler with removable air duct. - Turner Motorsport - BMW

Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler with removable air duct. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830512
Mfg#:
049395LA
Ships in 3 Business Days
ON SALE!
Starting at $1072.81 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Silicone Hose Kit

ES#3236075 - 003631ECS01KT - ECS Silicone Hose Kit - Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw - ECS - BMW

Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3236075
Mfg#:
003631ECS01KT
In Stock
ON SALE! SAVE 25%
$356.99

This product was last offered at the strikethrough price on
05-02-2026

$267.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2603136 - 12131712219KT3 - Ignition Service Kit - Restore your ignition system using high quality Bosch ignition coils and NGK spark plugs - Assembled By ECS - BMW

Restore your ignition system using high quality Bosch ignition coils and NGK spark plugs 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#:
2603136
Mfg#:
12131712219KT3
In Stock
$302.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 CSL Air Filter - Oiled

ES#4624115 - 003313TMS04-01 - E46 M3 CSL Air Filter - Oiled - Save time and money with a performance oiled cotton High-Flow Air Filter! A premium washable and reusable oiled filter. - Turner Motorsport - BMW

Save time and money with a performance oiled cotton High-Flow Air Filter! A premium washable and reusable oiled filter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4624115
Mfg#:
003313TMS04-01
In Stock
ON SALE! SAVE 39%
$182.99

This product was last offered at the strikethrough price on
05-02-2026

$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential And LSD Tune

ES#4846087 - bm237haKT - Differential And LSD Tune - Upgrade to a better performing LSD also includes tune. - OS Giken - BMW

Upgrade to a better performing LSD also includes tune. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OS Giken - Corporate Logo
ES#:
4846087
Mfg#:
BM237HAKT
Ships on Jul 17, 2026
$2100.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set M5X Pro-Xtreme

ES#4759044 - CAR-CRS-S52-XT - CP-Carrillo Connecting Rod Set M5X Pro-Xtreme - Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods - 5150 Autosport - BMW

Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 4 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

Buger Motorsports 700HP Package - Blue Filters - BMW G8X S58

ES#4908075 - s58700hp-bluKT - Buger Motorsports 700HP Package - Blue Filters - BMW G8X S58 - 700HP S58 package boosts power, optimizes airflow, and enhances performance effortlessly. - Burger Motorsports - BMW

700HP S58 package boosts power, optimizes airflow, and enhances performance effortlessly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4908075
Mfg#:
S58700HP-BLUKT
Ships on Jun 22, 2026
$2075.99

This product was last offered at the strikethrough price on
05-22-2026

$2066.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

E9X Cabin Filter Covers - Black

ES#4759866 - e9x-c-f-c - E9X Cabin Filter Covers - Black - Protect Those Cabin Air Filters! - Arc Terminator - BMW

Protect Those Cabin Air Filters! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Arc Terminator - Corporate Logo
ES#:
4759866
Mfg#:
E9X-C-F-C
In Stock
$19.99 USD
Free Shipping
on orders $49 and up

Turner F8X M3 & M4 Dual Mount Diff Plate - With Extra Rear Position ECS Poly Bushing

ES#4044497 - 026773tms04KT - Turner F8X M3 & M4 Dual Mount Diff Plate - With Extra Rear Position ECS Poly Bushing - Upgrade your differential to capitalize on dual rear mounts for improved bushing life, reduced wheel hop, and crisper driveline response. Includes ECS polyurethane differential bushing for the secondary mounting location. - Turner Motorsport - BMW

Upgrade your differential to capitalize on dual rear mounts for improved bushing life, reduced wheel hop, and crisper driveline response. Includes ECS polyurethane differential bushing for the secondary mounting location. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Only for use with Poly Diff Bushings!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4044497
Mfg#:
026773TMS04KT
In Stock
ON SALE! SAVE 30%
$576.99

This product was last offered at the strikethrough price on
05-02-2026

$403.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW T-Map sensor

ES#2993863 - 13628637900 - Genuine BMW T-Map sensor - Monitors intake pressure to determine engine load - Genuine BMW - BMW

Monitors intake pressure to determine engine load affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2993863
Mfg#:
13628637900
Ships in 3 Business Days
9% off MSRP

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

$162.99

This product was last offered at the strikethrough price on
06-03-2026

$147.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Head Stud Kit - S58 - CA625+

Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727630
Mfg#:
ARP-HSK-S58-CA
Ships in 4 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 Multi-Port Injection Kit - 950cc

ES#4880941 - 601-0189 - S55 Multi-Port Injection Kit - 950cc - 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#:
4880941
Mfg#:
601-0189
Ships in 10 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential

ES#2795260 - MF-TRS-05E39 - Helical Limited Slip Differential - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Any defects or warranty clams will have to go directly to Team M Factory*

Brand:
Team MFactory - Corporate Logo
ES#:
2795260
Mfg#:
MF-TRS-05E39
Back Ordered
$999.99 USD
Free Shipping
on orders $49 and up

M3 SPEC Carbon Graphite Clutch

ES#3058234 - SB93ST - M3 SPEC Carbon Graphite Clutch - Carbon graphite clutch (with steel flywheel) designed for worry-free track use or limited street use. Rated at over 1,125 ft-lbs torque. - Spec Clutches - BMW

Carbon graphite clutch (with steel flywheel) designed for worry-free track use or limited street use. Rated at over 1,125 ft-lbs torque. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Spec Clutches - Corporate Logo
ES#:
3058234
Mfg#:
SB93ST
Ships in 4 Business Days
$1999.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Clutch & Flywheel Kit & Polyurethane Transmission Mount Set

ES#4876683 - 048498LA01EBKT - Performance Clutch & Flywheel Kit & Polyurethane Transmission Mount Set - Receive a discounted performance polyurethane transmission mount set alongside your new performance clutch and flywheel kit! - Enthusiast Bundles - BMW

Receive a discounted performance polyurethane transmission mount set alongside your new performance clutch and flywheel kit! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876683
Mfg#:
048498LA01EBKT
Ships on Jul 10, 2026
Auto Notify
ON SALE! SAVE 19%
$1236.99

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

$999.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential Kit

ES#2917934 - 303091652WKWVTKT - Limited Slip Differential Kit - Put all your power to the ground! - Wavetrac - BMW

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
2917934
Mfg#:
303091652WKWVTKT
Ships on Jun 29, 2026
$1994.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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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