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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Parts & Accessories

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Radiator Fan Clutch

ES#205243 - 11527831619 - Radiator Fan Clutch - Direct replacement - Mahle-Behr - BMW
ECS Tuning recommends this product.

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
205243
Mfg#:
11527831619
In Stock
$277.99

This product was last offered at the strikethrough price on
04-14-2026

$172.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

ES#2574923 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Ruville - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ruville - Corporate Logo
ES#:
2574923
Mfg#:
11287838797
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 3

ES#4908058 - 008682LA02-RF3KT - Performance Cooling System Refresh Kit - Level 3 - An all-inclusive service and upgrade kit, featuring high-performance components for increased cooling capacity! - Assembled By ECS - BMW

An all-inclusive service and upgrade kit, featuring high-performance components for increased cooling capacity! 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#:
4908058
Mfg#:
008682LA02-RF3KT
Back Ordered
Auto Notify
ON SALE!
$1748.31

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

$1624.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Valve Cover Gasket Set

ES#1893860 - 83300493743 - Valve Cover Gasket Set - Includes all the necessary components for a valve cover removal - Assembled By ECS - BMW

Includes all the necessary components for a valve cover removal 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#:
1893860
Mfg#:
83300493743
Ships in 7 Business Days
ON SALE!
$105.96

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

$103.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor - Priced Each

ES#5376287 - 13637840383 - Throttle Position Sensor - Priced Each - This is the sensor used on individual throttle bodies engines - Hamburg Tech - BMW

This is the sensor used on individual throttle bodies engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2 required per vehicle, One on throttle actuator and one on end of throttle body assembly

Brand:
Hamburg Tech - Corporate Logo
ES#:
5376287
Mfg#:
13637840383
In Stock
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Aluminum Coolant Bleeder Screw

ES#2739096 - 003530ECS01A - Heavy Duty Aluminum Coolant Bleeder Screw - Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! - ECS - BMW MINI

Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2739096
Mfg#:
003530ECS01A
In Stock
ON SALE! SAVE 25%
$35.99

This product was last offered at the strikethrough price on
06-13-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Endurance Series AGM Battery - B48-H6-L3

ES#4858502 - B48-H6-L3 - Endurance Series AGM Battery - B48-H6-L3 - Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. - Braille - Audi BMW Volkswagen Mercedes Benz Porsche

Designed for a wide range of demanding, high performance applications, this battery is reliable, long-lasting, and engineered for high shock and vibration applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Braille - Corporate Logo
ES#:
4858502
Mfg#:
B48-H6-L3
In Stock
$398.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Performance Rear Muffler

ES#2827630 - SSXBM934 - E46 M3 Performance Rear Muffler - Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance. - Milltek Sport - BMW

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

Brand:
Milltek Sport - Corporate Logo
ES#:
2827630
Mfg#:
SSXBM934
Ships in 2 Business Days
$1592.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#259465 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Ina - BMW
ECS Tuning recommends this product.

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
259465
Mfg#:
11287841228
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Priced Each

ES#2748915 - 11812283798 - Engine Mount - Priced Each - Keep your engine securely mounted - Lemforder - BMW
ECS Tuning recommends this product.

Keep your engine securely mounted affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
2748915
Mfg#:
11812283798
In Stock
$128.99

This product was last offered at the strikethrough price on
01-30-2026

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set - S54 Pro-Xtreme

ES#4759052 - CAR-CRS-S54-XT - CP-Carrillo Connecting Rod Set - S54 Pro-Xtreme - Upgrade to CP-Carrillo Connecting Rods in Your S54-Powered BMW - 5150 Autosport - BMW

Upgrade to CP-Carrillo Connecting Rods in Your S54-Powered BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759052
Mfg#:
CAR-CRS-S54-XT
Back Ordered
$2299.99 USD
Free Shipping
on orders $49 and up

E46 M3 Auxiliary Fan Assembly - With Frame

ES#180300 - 64546988914 - E46 M3 Auxiliary Fan Assembly - With Frame - Mounted in front of the radiator, referred to by BMW as the "Pusher Fan" - Genuine BMW - BMW

Mounted in front of the radiator, referred to by BMW as the "Pusher Fan" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
180300
Mfg#:
64546988914
Ships in 6 Business Days
3% off MSRP

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

$938.99

This product was last offered at the strikethrough price on
06-25-2026

$907.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Pro-Xtreme Forged Piston Set Std. Size - S54

ES#4758988 - CP-FPS-S54-XT - CP-Carrillo Pro-Xtreme Forged Piston Set Std. Size - S54 - Upgrade to CP-Carrillo's Forged Pistons in Your S54 Powered BMW! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Pistons in Your S54 Powered BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4758988
Mfg#:
CP-FPS-S54-XT
Back Ordered
Starting at $1399.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

S54 Silicone Throttle Body Boot Set - With Clamps

ES#4135389 - 003313tms03KT - S54 Silicone Throttle Body Boot Set - With Clamps - Highly durable under street and race conditions, including forced induction applications. Includes euro-style screw clamps. - Turner Motorsport - BMW

Highly durable under street and race conditions, including forced induction applications. Includes euro-style screw clamps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For vehicles equipped with a CSL airbox or vehicles with production date up to 10/2004 only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4135389
Mfg#:
003313TMS03KT
In Stock
ON SALE! SAVE 25%
$170.99

This product was last offered at the strikethrough price on
06-13-2026

$128.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit

ES#2593867 - 11287837898KT1 - Accessory Belt Kit - Everything you need to service your belt drive system using quality aftermarket components - Assembled By ECS - BMW

Everything you need to service your belt drive system using quality aftermarket components 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#:
2593867
Mfg#:
11287837898KT1
Back Ordered
Auto Notify
ON SALE!
$273.99

This product was last offered at the strikethrough price on
06-25-2026

$248.86 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oil Change Kit / Inspection I

ES#11071 - E46M3OCI - Genuine BMW Oil Change Kit / Inspection I - Everything you'll need to do a complete oil change, including Genuine BMW M Twin Power Turbo oil and a Hengst oil filter - Assembled By ECS - BMW

Everything you'll need to do a complete oil change, including Genuine BMW M Twin Power Turbo oil and a Hengst oil filter 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#:
11071
Mfg#:
E46M3OCI
In Stock
ON SALE!
$119.99

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

$115.98 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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