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BMW M3 Engine Parts & Accessories

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New Water Pump - With O-Ring

ES#10753 - 11517527910 - New Water Pump - With O-Ring - High quality German-made pump featuring a metal impeller - Geba - BMW
ECS Tuning recommends this product.

High quality German-made pump featuring a metal impeller

Brand:
Geba - Corporate Logo
ES#:
10753
Mfg#:
11517527910
In Stock
$105.99

This product was last offered at the strikethrough price on
02-27-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55 / S55 Eccentric Shaft

ES#2079669 - 11377589883 - N55 / S55 Eccentric Shaft - Replace your worn eccentric shaft to restore Valvetronic performance and proper functionality. - Genuine BMW - BMW

Replace your worn eccentric shaft to restore Valvetronic performance and proper functionality.

Brand:
Genuine BMW - Corporate Logo
ES#:
2079669
Mfg#:
11377589883
Ships in 3 Business Days
8% off MSRP

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

$1141.87

This product was last offered at the strikethrough price on
07-21-2026

$1049.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876067 - 008682LA02 - E46 M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876067
Mfg#:
008682LA02
In Stock
ON SALE! SAVE 20%
$434.99

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

$347.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner F8x M3/M4 Skid Plate - Milled finish

ES#3247792 - 021491TMS01 - Turner F8x M3/M4 Skid Plate - Milled finish - Ultimate oil cooler protection, keeping your oil in the car - not on the road! - Turner Motorsport - BMW

Ultimate oil cooler protection, keeping your oil in the car - not on the road! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3247792
Mfg#:
021491TMS01
In Stock
ON SALE! SAVE 20%
$520.99

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

$416.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler Kit

ES#4017604 - 200001124 - Competition Intercooler Kit - Significantly increase your air flow rate, lower the intake air temperature, and drop your intercooler weight. - Wagner Tuning - BMW

Significantly increase your air flow rate, lower the intake air temperature, and drop your intercooler weight.

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017604
Mfg#:
200001124
Ships on Aug 18, 2026
$1590.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dinan Iridium Spark Plug - Priced Each

ES#4906401 - D640-0001 - Dinan Iridium Spark Plug - Priced Each - Dinan's 1-Step colder performance spark plug for B48, B58, and S58 engines! - Dinan - BMW MINI

Dinan's 1-Step colder performance spark plug for B48, B58, and S58 engines! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4906401
Mfg#:
D640-0001
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.

$23.99

This product was last offered at the strikethrough price on
07-21-2026

$21.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Ignition Coil - Priced Each

ES#3673194 - 5002 - High Performance Ignition Coil - Priced Each - Modified core windings offer increased spark for a faster and more efficient burn. - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Modified core windings offer increased spark for a faster and more efficient burn. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
3673194
Mfg#:
5002
In Stock
ON SALE! SAVE 15%
$29.99

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

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

Performance Thermostat - 90C

ES#4158502 - 11537586885 - Performance Thermostat - 90C - Includes housing and sealing o-ring - Bremmen Parts - BMW
ECS Tuning recommends this product.

Includes housing and sealing o-ring 10X Entries For Our 25th Anniversary Sweepstakes!
Low-temp thermostat reduces stresses on engine components and improves performance

Brand:
Bremmen Parts - Corporate Logo
ES#:
4158502
Mfg#:
11537586885
In Stock
ON SALE! SAVE 20%
$93.99

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

$75.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Indicator

ES#4818556 - 12617607910 - Oil Level Indicator - Common cause of oil level display discrepancies. - Bremmen Parts - BMW

Common cause of oil level display discrepancies. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818556
Mfg#:
12617607910
In Stock
ON SALE! SAVE 15%
$153.99

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

$130.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motiv ReFlex+ Control Unit

ES#4810266 - 900.1001 - Motiv ReFlex+ Control Unit - Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits - Motiv Motorsports - BMW

Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4810266
Mfg#:
900.1001
In Stock
$729.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Filter Cap

ES#4714995 - BMS-OFC - Billet Oil Filter Cap - Add some color and style to your engine bay while replacing the weak factory cap! - Burger Motorsports - BMW

Add some color and style to your engine bay while replacing the weak factory cap!

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714995
Mfg#:
BMS-OFC
In Stock
Starting at $89.00 USD
Customize
Free Shipping
on orders $49 and up

Generation 2 Supercharger Kit - Level 3

700HP/480TQ - a complete power solution for your M3 - includes front-mount air-to-air intercooler!

Brand:
Active Autowerke - Corporate Logo
ES#:
3438855
Mfg#:
12-030
Ships on Aug 6, 2026
5% off MSRP

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

$18749.00

This product was last offered at the strikethrough price on
07-21-2026

$17811.99 USD
Free Shipping

N-Series Performance Ignition Coil - Black

ES#4456857 - D650-0002 - N-Series Performance Ignition Coil - Black - A direct plug-and-play upgrade with up to 10% more energy output than stock! - Dinan - BMW MINI

A direct plug-and-play upgrade with up to 10% more energy output than stock! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4456857
Mfg#:
D650-0002
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.

$38.50

This product was last offered at the strikethrough price on
07-21-2026

$34.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 High Performance Aluminum Radiator

ES#2992660 - 7058 - E46 M3 High Performance Aluminum Radiator - Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. - CSF - BMW

Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
2992660
Mfg#:
7058
In Stock
$645.00 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.

Let us help you find the parts that fit your BMW

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