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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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S65 Silicone Throttle Body Coupler Set

ES#4920484 - S65IPC - S65 Silicone Throttle Body Coupler Set - For BMW M3 owners looking to maintain peak performance and upgrade reliability under the hood. - NRW Design - BMW

For BMW M3 owners looking to maintain peak performance and upgrade reliability under the hood. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4920484
Mfg#:
S65IPC
Ships in 7 Business Days
$249.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#23272 - 11367840998 - Hex Bolt - Priced Each - Used to secure vanos gears - Genuine BMW - BMW

Used to secure vanos gears affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
23272
Mfg#:
11367840998
In Stock
8% off MSRP

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

$25.72

This product was last offered at the strikethrough price on
07-08-2026

$23.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Competition Fuel Cap Cover

ES#4904975 - BM-0006-BCG - Carbon Competition Fuel Cap Cover - Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. - AUTOTECKNIC - BMW MINI

Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4904975
Mfg#:
BM-0006-BCG
In Stock
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#24456 - 11517838676 - Water Pump Pulley - Plastic pulley, which should be replaced each time with the water pump - Genuine BMW - BMW

Plastic pulley, which should be replaced each time with the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24456
Mfg#:
11517838676
Ships in 3 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.

$118.99

This product was last offered at the strikethrough price on
07-08-2026

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport S65 Power Pulley Kit

ES#3251754 - ppk-s65-lKT - Turner Motorsport S65 Power Pulley Kit - Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! - Turner Motorsport - BMW

Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3
For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump

Brand:
Turner Motorsport - Corporate Logo
ES#:
3251754
Mfg#:
PPK-S65-LKT
Ships on Dec 8, 2026
Auto Notify
ON SALE! SAVE 25%
$546.99

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

$410.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2718468 - 11537836155KT - Thermostat Replacement Kit - Includes thermostat with o-ring, and coolant - Genuine BMW - BMW

Includes thermostat with o-ring, and coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2718468
Mfg#:
11537836155KT
Ships in 3 Business Days
$176.99

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

$174.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose

ES#4338188 - 2101 - 12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose - ECS - Audi BMW Volkswagen Mercedes Benz

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

Brand:
ECS - Corporate Logo
ES#:
4338188
Mfg#:
2101
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 180amp

ES#2718150 - 12317837981KT - Remanufactured Alternator - 180amp - Price includes $50 core charge - Genuine BMW - BMW

Price includes $50 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2718150
Mfg#:
12317837981KT
Ships in 3 Business Days
$1184.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Priced Each

ES#22409 - 11317838479 - Timing Chain - Priced Each - Replacement timing chain, 2 required - Genuine BMW - BMW

Replacement timing chain, 2 required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
22409
Mfg#:
11317838479
Ships in 3 Business Days
13% off MSRP

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

$149.99

This product was last offered at the strikethrough price on
07-08-2026

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DO88 Coolant Hoses - Black - E90/E92 M3

ES#4656901 - do88kit94S - DO88 Coolant Hoses - Black - E90/E92 M3 - Coolant hose upgrade for the S65 engine! - DO88 - BMW

Coolant hose upgrade for the S65 engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656901
Mfg#:
DO88KIT94S
In Stock at Vendor
$291.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Level Sensor

ES#36218 - 16117159162 - Fuel Level Sensor - Fuel gauge reading incorrectly? - Genuine BMW - BMW

Fuel gauge reading incorrectly? affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
36218
Mfg#:
16117159162
Ships in 1-2 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.

$174.99

This product was last offered at the strikethrough price on
07-08-2026

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BE Bearings Performance Rod Bearing Replacement Kit

ES#3522149 - 11247838088KT5 - BE Bearings Performance Rod Bearing Replacement Kit - Includes everything needed for a rod bearing service, featuring BE Bearings upgraded rod bearings. - Assembled By ECS - BMW

Includes everything needed for a rod bearing service, featuring BE Bearings upgraded rod bearings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Greater clearance and oil flow for less friction and wear!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3522149
Mfg#:
11247838088KT5
In Stock
$1143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

E9X M3 Magnum FORCE Pro Dry S Stage 2 Air Intake System

ES#2185324 - 51-31662 - E9X M3 Magnum FORCE Pro Dry S Stage 2 Air Intake System - Oil-free filter - more flow, less maintenance! +12hp & +9lb/ft! - AFE - BMW

Oil-free filter - more flow, less maintenance! +12hp & +9lb/ft! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
2185324
Mfg#:
51-31662
EO#:
D-550-38
In Stock at Vendor
20% off MSRP

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

$470.00

This product was last offered at the strikethrough price on
07-08-2026

$376.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium Coolant Bleeder Screw Upgrade

ES#4883832 - BMS-TCBS - Titanium Coolant Bleeder Screw Upgrade - Titanium coolant bleeder screw upgrade for durability, strength, style, and reliability. - Burger Motorsports - BMW

Titanium coolant bleeder screw upgrade for durability, strength, style, and reliability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4883832
Mfg#:
BMS-TCBS
Back Ordered
Auto Notify
$25.00 USD
Free Shipping
on orders $49 and up

Protection Cap

ES#21662 - 11281730349 - Protection Cap - Used to cover the securing bolt - Genuine BMW - BMW

Used to cover the securing bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21662
Mfg#:
11281730349
In Stock
2% off MSRP

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

$23.06

This product was last offered at the strikethrough price on
07-08-2026

$22.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9x M3 Air Filter

ES#4018467 - 13727838804 - E9x M3 Air Filter - Protect your engine, improve performance with a clean filter - Hengst - BMW
ECS Tuning recommends this product.

Protect your engine, improve performance with a clean filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
For vehicles with production date from 09/2009

Brand:
Hengst - Corporate Logo
ES#:
4018467
Mfg#:
13727838804
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
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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