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BMW E90 M3 S65 4.0L

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BMW E90 M3 S65 4.0L Engine Parts & Accessories

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Density Line Performance Motor Mount Set

ES#3647384 - 034-509-0064KT - Density Line Performance Motor Mount Set - Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts. - 034Motorsport - BMW

Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3647384
Mfg#:
034-509-0064KT
In Stock
ON SALE! SAVE 10%
$210.00

This product was last offered at the strikethrough price on
06-28-2026

$189.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9x M3 Carbon Fiber Intake kit

ES#3450188 - EVE-E9X-CF-INT - E9x M3 Carbon Fiber Intake kit - This does Not include the Carbon Box Cover - Eventuri - BMW

This does Not include the Carbon Box Cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eventuri - Corporate Logo
ES#:
3450188
Mfg#:
EVE-E9X-CF-INT
Ships in 2 Business Days
$965.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Actuator - Priced Each - E9x M3 S65

ES#34459 - 13627838085 - Throttle Body Actuator - Priced Each - E9x M3 S65 - 2 required per vehicle, one per bank, replaceable individually. - Genuine BMW - BMW

2 required per vehicle, one per bank, replaceable individually. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fitment is for Models equipped with the S65 4.0L engine

Brand:
Genuine BMW - Corporate Logo
ES#:
34459
Mfg#:
13627838085
In Stock
7% off MSRP

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

$1157.61

This product was last offered at the strikethrough price on
07-07-2026

$1076.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Carbon Fiber Intake

ES#4623288 - 015888LA07 - E9X M3 Carbon Fiber Intake - Give your S65 the style, sound, and performance to outshine the rest of the competition. Full gloss carbon fiber intake that features a roaring induction noise and outflows the factory intake by over 35%! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Give your S65 the style, sound, and performance to outshine the rest of the competition. Full gloss carbon fiber intake that features a roaring induction noise and outflows the factory intake by over 35%! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4623288
Mfg#:
015888LA07
Ships on Aug 17, 2026
ON SALE!
$1121.99

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

$1065.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator - 180amp

ES#2718149 - 12317837981 - Alternator - 180amp - Brand new unit with no core charge. - Valeo - BMW
ECS Tuning recommends this product.

Brand new unit with no core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2718149
Mfg#:
12317837981
In Stock
$630.99

This product was last offered at the strikethrough price on
05-07-2026

$403.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Optima YELLOWTOP High Performance AGM Battery - H6

ES#3639387 - 9048-148 - Optima YELLOWTOP High Performance AGM Battery - H6 - Upgrade to the true dual purpose heavy duty battery with a longer life span - Optima - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade to the true dual purpose heavy duty battery with a longer life span affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Optima - Corporate Logo
ES#:
3639387
Mfg#:
9048-148
Ships in 3 Business Days
$468.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Underdrive Pulley Kit - E9X M3 (06/08+ 6-Speed, All DCT)

ES#4066944 - 10.00.011 - Performance Underdrive Pulley Kit - E9X M3 (06/08+ 6-Speed, All DCT) - Free additional power to your M3s rear wheels without sacrificing or compromising your BMWs reliability. - Macht Schnell - BMW

Free additional power to your M3’s rear wheels without sacrificing or compromising your BMW’s reliability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump

Brand:
Macht Schnell - Corporate Logo
ES#:
4066944
Mfg#:
10.00.011
In Stock
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - 75A Durometer (Priced Each)

ES#4335401 - 11812283798 - Engine Mount - 75A Durometer (Priced Each) - Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397) - ECS - BMW

Keep your engine securely mounted with our solid, non-fluid filled mount. Also available as a pair (ES4375397) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4335401
Mfg#:
11812283798
Ships on Sep 1, 2026
Auto Notify
ON SALE! SAVE 25%
$98.99

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

$74.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Castrol Edge Euro Car Engine Oil (10w-60) - 1 Quart

ES#2580488 - 07510009420 - Castrol Edge Euro Car Engine Oil (10w-60) - 1 Quart - Specific Castrol oil designed for your "M" engine - Castrol - BMW

Specific Castrol oil designed for your "M" engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not to be confused with inferior Castrol Edge Sport!

Brand:
Castrol - Corporate Logo
ES#:
2580488
Mfg#:
07510009420
In Stock
$19.99 USD
Free Shipping
on orders $49 and up

Throttle Booster

ES#4624166 - D440-1700 - Throttle Booster - Wireless controlled unit that allows adjustable throttle response control - Dinan - BMW MINI

Wireless controlled unit that allows adjustable throttle response control Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
In Stock
11% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
07-07-2026

$288.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (12x1.5)

ES#251840 - 002201ECS02A - Magnetic Oil Drain Plug - Priced Each (12x1.5) - Featuring 10 copper washers - ECS - BMW MINI

Featuring 10 copper washers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Features conventional hex head to reduce the potential for stripping.

Brand:
ECS - Corporate Logo
ES#:
251840
Mfg#:
002201ECS02A
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 VF595 Supercharger Kit (595hp & 385ft-Lbs)

ES#2771942 - VFK91-02 - E9X M3 VF595 Supercharger Kit (595hp & 385ft-Lbs) - Complete bolt on kit. The very best way to get big, everyday reliable horsepower - VF Engineering - BMW

Complete bolt on kit. The very best way to get big, everyday reliable horsepower affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VF Engineering - Corporate Logo
ES#:
2771942
Mfg#:
VFK91-02
Ships on Jul 23, 2026
$7995.00 USD
This product is lifetime replacement eligible Lifetime Replacement

M TwinPower Turbo 10W-60 Engine Oil - 1 Liter

ES#2817516 - 83212365944 - M TwinPower Turbo 10W-60 Engine Oil - 1 Liter - Original BMW oil for use in many M vehicles with S38, S54, S62, S65, S85 engine. Next generation replacement for BMW's TWS 10w-60 oil offering superior protection and performance in both turbocharged and non-turbocharged engines. - Genuine BMW - BMW

Original BMW oil for use in many M vehicles with S38, S54, S62, S65, S85 engine. Next generation replacement for BMW's TWS 10w-60 oil offering superior protection and performance in both turbocharged and non-turbocharged engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2817516
Mfg#:
83212365944
In Stock
$15.81

This product was last offered at the strikethrough price on
06-08-2026

$15.45 USD
Free Shipping
on orders $49 and up

Crankshaft Position Sensor

ES#34389 - 13627525015 - Crankshaft Position Sensor - Having a crank but no starting issue? This sensor is often the culprit - Genuine BMW - BMW

Having a crank but no starting issue? This sensor is often the culprit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34389
Mfg#:
13627525015
In Stock
16% off MSRP

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

$175.17

This product was last offered at the strikethrough price on
07-07-2026

$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW M Performance Exhaust - Sedan

ES#2100594 - 18302184198 - BMW M Performance Exhaust - Sedan - Powerful exhaust sound for your M3 designed by BMW Performance - Genuine BMW M Performance - BMW

Powerful exhaust sound for your M3 designed by BMW Performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW M Performance - Corporate Logo
ES#:
2100594
Mfg#:
18302184198
Ships in 9 Business Days
6% off MSRP

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

$8460.57

This product was last offered at the strikethrough price on
07-07-2026

$7914.11 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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