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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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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 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
In Stock
$468.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Dinan - Corporate Logo
ES#:
4624166
Mfg#:
D440-1700
In Stock
ON SALE! SAVE 10%
$288.99

This product was last offered at the strikethrough price on
09-28-2026

$260.06 USD
Free Shipping
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

Brand:
VF Engineering - Corporate Logo
ES#:
2771942
Mfg#:
VFK91-02
Ships on Nov 3, 2026
$7995.00

This product was last offered at the strikethrough price on
07-19-2026

$6995.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs

ES#3617648 - i48CX - Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs - Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! - Braille - BMW

Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! 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:
Braille - Corporate Logo
ES#:
3617648
Mfg#:
I48CX
Ships in 5 Business Days
$1164.99 USD
Free Shipping
on orders $49 and up
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.

Brand:
Genuine BMW - Corporate Logo
ES#:
2817516
Mfg#:
83212365944
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

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.

Brand:
Braille - Corporate Logo
ES#:
4858502
Mfg#:
B48-H6-L3
Ships in 4 Business Days
$398.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Filter

ES#37275 - 16137163596 - Charcoal Filter - Aids in emissions reduction - Genuine BMW - BMW

Aids in emissions reduction

Brand:
Genuine BMW - Corporate Logo
ES#:
37275
Mfg#:
16137163596
In Stock
9% off MSRP

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

$433.99

This product was last offered at the strikethrough price on
10-17-2026

$396.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Screw Cap & Schwaben Removal Tool Kit

ES#3184755 - 16116762417KT - Screw Cap & Schwaben Removal Tool Kit - Repair and replace the fuel ring, do it correctly with this tool - Assembled By ECS - BMW MINI

Repair and replace the fuel ring, do it correctly with this tool 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184755
Mfg#:
16116762417KT
In Stock
ON SALE! SAVE 15%
$106.99

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

$90.94 USD
Free Shipping
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. 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
Ships in 10 Business Days
$349.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Valve Cover - Cylinders 1-4

ES#4699575 - 11127848153 - E9X M3 Valve Cover - Cylinders 1-4 - Aluminum material outlasts factory magnesium alloy. Includes gasket and bolts. - Bavarian Autosport - BMW

Aluminum material outlasts factory magnesium alloy. Includes gasket and bolts. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4699575
Mfg#:
11127848153
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
This product is lifetime replacement eligible Lifetime Replacement

Cam Follower/Hydraulic Lifter - Priced Each

ES#22505 - 11327839082 - Cam Follower/Hydraulic Lifter - Priced Each - Constant contact with the camshaft wears these down - Genuine BMW - BMW

Constant contact with the camshaft wears these down

Brand:
Genuine BMW - Corporate Logo
ES#:
22505
Mfg#:
11327839082
Ships in 4 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.

$106.99

This product was last offered at the strikethrough price on
10-17-2026

$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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! 10X Entries Into Our F80 M3 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

Schrick Camshaft Set - 284 Degree

ES#3025559 - TMS2474 - Schrick Camshaft Set - 284 Degree - A power upgrade perfect for the street - Schrick - BMW

A power upgrade perfect for the street Complete Set!

Brand:
Schrick - Corporate Logo
ES#:
3025559
Mfg#:
TMS2474
Ships on Feb 5, 2027
$6478.60 USD
Free Shipping
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%! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4623288
Mfg#:
015888LA07
In Stock
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

Multi Purpose Relay (150 Amp) (Black)

ES#169421 - 61367661503 - Multi Purpose Relay (150 Amp) (Black) - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
169421
Mfg#:
61367661503
In Stock
4% off MSRP

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

$136.99

This product was last offered at the strikethrough price on
10-17-2026

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of 8 (#4471)

ES#2550769 - 12120032273kt - Spark Plugs - Set Of 8 (#4471) - Restore fuel efficiency and performance. - NGK - BMW

Restore fuel efficiency and performance. We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
2550769
Mfg#:
12120032273KT
In Stock
$161.99

This product was last offered at the strikethrough price on
09-14-2026

$119.99 USD
Free Shipping
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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