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BMW E93 M3 S65 4.0L

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BMW E93 M3 S65 4.0L Engine Parts & Accessories

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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! 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 24, 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

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

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

Magnetic Sump/Oil Pan Plug

ES#4731975 - MMR03-0504 - Magnetic Sump/Oil Pan Plug - Removes metal particles suspended in your engine oil - MMX Performance - BMW MINI

Removes metal particles suspended in your engine oil

Brand:
MMX Performance - Corporate Logo
ES#:
4731975
Mfg#:
MMR03-0504
In Stock
$37.99 USD
Free Shipping
on orders $49 and up

Fluid Level Sensor

ES#2874178 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Febi - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874178
Mfg#:
17137553919
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnum FORCE Intake Scoop - Black

ES#519446 - 54-11478 - Magnum FORCE Intake Scoop - Black - Increase air flow and lower intake temperatures with this simple modification! - AFE - BMW

Increase air flow and lower intake temperatures with this simple modification!

Brand:
AFE - Corporate Logo
ES#:
519446
Mfg#:
54-11478
In Stock
20% off MSRP

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

$167.99

This product was last offered at the strikethrough price on
07-23-2026

$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Distribution Box With Fuse

ES#5425501 - 61146971370 - Power Distribution Box With Fuse - Essential for reliable and effective electrical energy transfer. - URO - BMW

Essential for reliable and effective electrical energy transfer. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5425501
Mfg#:
61146971370
In Stock
$91.99 USD
Free Shipping
on orders $49 and up

Remanufactured Alternator - 180amp

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

Price includes $50 core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2718150
Mfg#:
12317837981KT
Ships in 1-2 days
$1184.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Expansion Tank

ES#4812413 - 63850 - Aluminum Coolant Expansion Tank - Eliminate your failure-prone plastic tank! - Moroso - BMW

Eliminate your failure-prone plastic tank!

Brand:
Moroso - Corporate Logo
ES#:
4812413
Mfg#:
63850
In Stock at Vendor
$586.00 USD
Free Shipping
on orders $49 and up

Timing Chain - Priced Each

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

Replacement timing chain, 2 required

Brand:
Genuine BMW - Corporate Logo
ES#:
22409
Mfg#:
11317838479
Ships in 1-2 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
07-23-2026

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

Idle Control Tube

ES#33162 - 13417839097 - Idle Control Tube - Connects to the idle control unit - Genuine BMW - BMW

Connects to the idle control unit

Brand:
Genuine BMW - Corporate Logo
ES#:
33162
Mfg#:
13417839097
Ships in 1-2 days
ON SALE!
$196.99

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

$192.09 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. 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 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 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

Blackline Performance Oil Cap Cover - Blue

ES#4475813 - FXXOCC-B - Blackline Performance Oil Cap Cover - Blue - Give your vehicle modern styling for years to last - Goldenwrench Supply Co - BMW

Give your vehicle modern styling for years to last

Brand:
Goldenwrench Supply Co - Corporate Logo
ES#:
4475813
Mfg#:
FXXOCC-B
In Stock
$60.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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! 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
07-23-2026

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

Protection Cap

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

Used to cover the securing bolt

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
07-23-2026

$22.49 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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