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BMW E83 X3 M54 2.5L

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BMW E83 X3 M54 2.5L Performance Engine Parts

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Racing Thermostat - 70C

ES#4338353 - mmts-e46-99v2 - Racing Thermostat - 70C - Modified thermostat for high performance applications. Use with factory thermostat housing. - Mishimoto - BMW

Modified thermostat for high performance applications. Use with factory thermostat housing.

Brand:
Mishimoto - Corporate Logo
ES#:
4338353
Mfg#:
MMTS-E46-99V2
Ships in 2 Business Days
$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Tee Adapter Fitting

ES#4376612 - SN0-82040R - Snow Performance Tee Adapter Fitting - 1/4" tee fitting for water/methanol lines - SnowPerformance - Audi BMW Volkswagen MINI Porsche

1/4" tee fitting for water/methanol lines

Brand:
SnowPerformance - Corporate Logo
ES#:
4376612
Mfg#:
SN0-82040R
In Stock at Vendor
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Stepped Left - Mirror

ES#4146844 - 026732TMS02-10 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Stepped Left - Mirror - Left - Mirror Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Left - Mirror Slash Cut Exhaust Tip - 2.75 Inlet - 3.5 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146844
Mfg#:
026732TMS02-10
In Stock
ON SALE! SAVE 10%
$124.99

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

$112.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hobb's Switch

ES#3520735 - ACC-HOBBS - Hobb's Switch - 15 PSI - Fuel-It! - Audi BMW Volkswagen MINI Porsche

15 PSI

Brand:
Fuel-It! - Corporate Logo
ES#:
3520735
Mfg#:
ACC-HOBBS
Ships on Aug 19, 2026
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Port Injection Plugs

ES#4690214 - PRINJPLGS - Port Injection Plugs - Use these in replacement of any standard short body EV14 style injector. - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Use these in replacement of any standard short body EV14 style injector.

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690214
Mfg#:
PRINJPLGS
Ships in 9 Business Days
Starting at $9.99 USD
Customize
Free Shipping
on orders $49 and up

Water/Methanol Injection Hose - 20'

ES#4715254 - BMS-WMI-IL - Water/Methanol Injection Hose - 20' - Replacement WMI Water Injection Hose - Burger Motorsports - Audi BMW Volkswagen MINI

Replacement WMI Water Injection Hose

Brand:
Burger Motorsports - Corporate Logo
ES#:
4715254
Mfg#:
BMS-WMI-IL
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro 5R Oiled Air Filter

ES#264143 - 30-10015 - Pro 5R Oiled Air Filter - Higher flow, higher performance - washable and reuseable! - AFE - BMW

Higher flow, higher performance - washable and reuseable!

Brand:
AFE - Corporate Logo
ES#:
264143
Mfg#:
30-10015
In Stock
ON SALE! SAVE 15%
$91.00

This product was last offered at the strikethrough price on
08-03-2026

$77.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Boost Switch

ES#2826277 - 81014 - Boost Switch - Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application. - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Adjustable (1-15 PSI) to engage at the appropriate amount of boost pressure for your application.

Brand:
SnowPerformance - Corporate Logo
ES#:
2826277
Mfg#:
81014
In Stock at Vendor
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heat Shroud™ - Aluminized Sleeving

ES#2784360 - 010405 - Heat Shroud™ - Aluminized Sleeving - 1" X 3ft - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

1" X 3ft

Brand:
DEI - Corporate Logo
ES#:
2784360
Mfg#:
010405
Special Order: No Guaranteed ETA
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Holder Straight (Rectangle Style)

ES#4642625 - SN0-900 - Nozzle Holder Straight (Rectangle Style) - Stylish nozzle holders for your WMI setup - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Stylish nozzle holders for your WMI setup

Brand:
SnowPerformance - Corporate Logo
ES#:
4642625
Mfg#:
SN0-900
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Super Atomizing Water/Methanol Injection Nozzles

ES#4714568 - BMS.SA.WMI.NOZ - Super Atomizing Water/Methanol Injection Nozzles - With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs! - Burger Motorsports - Audi BMW Volkswagen MINI Porsche

With CNC machined serviceable/cleanable nozzle inserts for precise fluid metering. Choose single or dual nozzles and match the flow rate to your power needs!

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714568
Mfg#:
BMS.SA.WMI.NOZ
Ships on Sep 1, 2026
Starting at $40.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fiberglass Exhaust Wrap - White - 2" x 50'

ES#3022266 - HEA-WRAPKIT-WHT - Fiberglass Exhaust Wrap - White - 2" x 50' - Designed to handle continuous temperatures up to 1,200F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,200°F

Brand:
Prosport Performance - Corporate Logo
ES#:
3022266
Mfg#:
HEA-WRAPKIT-WHT
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water/Methanol Nozzle - 2.5GPH

ES#4476204 - SN0-N0250 - Water/Methanol Nozzle - 2.5GPH - Snow Performance Hyper-Sonic water-methanol injection nozzle - SnowPerformance - Audi BMW Volkswagen MINI Porsche

Snow Performance Hyper-Sonic water-methanol injection nozzle

Brand:
SnowPerformance - Corporate Logo
ES#:
4476204
Mfg#:
SN0-N0250
In Stock at Vendor
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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