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BMW E92 M3 S65 4.0L

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BMW E92 M3 S65 4.0L Engine Parts & Accessories

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New Alternator - 180amp

ES#4759694 - 12317837981 - New Alternator - 180amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4759694
Mfg#:
12317837981
In Stock
ON SALE! SAVE 15%
$304.99

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

$259.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Oxygen Sensor - Priced Each

ES#2628626 - 11787537984 - E9X M3 Oxygen Sensor - Priced Each - Located on the catalytic converters, 2 required - Bosch - BMW
ECS Tuning recommends this product.

Located on the catalytic converters, 2 required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2628626
Mfg#:
11787537984
In Stock
$180.99

This product was last offered at the strikethrough price on
04-09-2026

$165.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Motor Mounts - 95A (Street/Track - Green)

ES#4364509 - PMM-R36 - Polyurethane Motor Mounts - 95A (Street/Track - Green) - A massive upgrade over stock! - Revshift - BMW

A massive upgrade over stock! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Revshift - Corporate Logo
ES#:
4364509
Mfg#:
PMM-R36
In Stock
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Slon Workshop E9X M3 (S65) Vanos Covers Kit - Raw Aluminum

ES#4849894 - SL0N-E9XM-5VCK - Slon Workshop E9X M3 (S65) Vanos Covers Kit - Raw Aluminum - Vanos cover upgrade from IND - Slon Workshop - BMW

Vanos cover upgrade from IND affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Slon Workshop - Corporate Logo
ES#:
4849894
Mfg#:
SL0N-E9XM-5VCK
Ships in 8 Business Days
$390.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Valve Cover - Cylinders 5-8

ES#4699578 - 11127848154 - E9X M3 Valve Cover - Cylinders 5-8 - Aluminum material outlasts factory magnesium alloy. Includes gasket and bolts. - Bavarian Autosport - BMW

Aluminum material outlasts factory magnesium alloy. Includes gasket and bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4699578
Mfg#:
11127848154
In Stock
ON SALE! SAVE 15%
$453.99

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

$385.89 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

race-spec DCT/6speed Transmission oil cooler

ES#2992678 - 8042 - race-spec DCT/6speed Transmission oil cooler - Dual pass transmission cooling with 30% efficiency improvement versus the OEM cooler. True plug-and-play! No modifications - just better performance! - CSF - BMW

Dual pass transmission cooling with 30% efficiency improvement versus the OEM cooler. True plug-and-play! No modifications - just better performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992678
Mfg#:
8042
Ships in 4 Business Days
$449.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S65 Aluminum Valve Cover - Wrinkle Black

ES#4709318 - S65VCWBLK - S65 Aluminum Valve Cover - Wrinkle Black - With the NRW S65 Aluminum Valve Cover - Wrinkle Black, BMW owners can eliminate common S65 issues and enhance the engine bay with race-grade quality - NRW Design - BMW

With the NRW S65 Aluminum Valve Cover - Wrinkle Black, BMW owners can eliminate common S65 issues and enhance the engine bay with race-grade quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4709318
Mfg#:
S65VCWBLK
In Stock
$1199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Aluminum Valve Cover - Smooth Blue

ES#4709324 - S65VCSBLU - S65 Aluminum Valve Cover - Smooth Blue - The ultimate solution for enhancing your BMW M3s engine bay performance and style. - NRW Design - BMW

The ultimate solution for enhancing your BMW M3’s engine bay performance and style. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4709324
Mfg#:
S65VCSBLU
Ships in 3 Business Days
$1199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Aluminum Valve Cover - Smooth Black

ES#4709323 - S65VCSBLK - S65 Aluminum Valve Cover - Smooth Black - A performance-driven and visually refined valve cover finished in Smooth Black and crafted from Aluminum. - NRW Design - BMW

A performance-driven and visually refined valve cover finished in Smooth Black and crafted from Aluminum. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4709323
Mfg#:
S65VCSBLK
Ships in 3 Business Days
$1199.99 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

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!
For vehicles with a production date up to 04/2008

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

Ethanol 360 Fittings - 5/16" (7.89mm)

ES#4690255 - 601-0240 - Ethanol 360 Fittings - 5/16" (7.89mm) - Designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor! - Precision Raceworks - BMW

Designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal Product - Please confirm your fuel line size prior to ordering

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690255
Mfg#:
601-0240
Back Ordered
Auto Notify
$89.99 USD
Free Shipping
on orders $49 and up

Crankshaft

ES#2911980 - 11217841460 - Crankshaft - New (no core charge), does not include bearings - Genuine BMW - BMW

New (no core charge), does not include bearings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2911980
Mfg#:
11217841460
Ships in 2 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.

$4699.99

This product was last offered at the strikethrough price on
06-27-2026

$4542.99 USD
This product is lifetime replacement eligible Lifetime 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.

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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