Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E46 Performance Engine Parts

Sort By
Filter By
Return to Top

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

BMW M3 S54 Intake valve - Priced Each

ES#3129031 - BMIVN-1040 - BMW M3 S54 Intake valve - Priced Each - 35x5.97x117.50mm/ SS/Blk. Nitrided/Stk.size - Supertech - BMW

35x5.97x117.50mm/ SS/Blk. Nitrided/Stk.size

Brand:
Supertech - Corporate Logo
ES#:
3129031
Mfg#:
BMIVN-1040
Ships in 8 Business Days
$32.99 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

CSL SMG Expansion Tank Bracket

ES#2143439 - 41147896136 - CSL SMG Expansion Tank Bracket - Used when retrofitting an OEM or aftermarket CSL intake on a vehicle with SMG transmission - Genuine European BMW - BMW

Used when retrofitting an OEM or aftermarket CSL intake on a vehicle with SMG transmission For vehicles equipped with SMG transmissions only

Brand:
Genuine European BMW - Corporate Logo
ES#:
2143439
Mfg#:
41147896136
In Stock
ON SALE! SAVE 48%
$29.99

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

$15.55 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

DeatschWerks Installation Kit For DW400 Fuel Pump - E36/E46

ES#4488352 - 9-1052 - DeatschWerks Installation Kit For DW400 Fuel Pump - E36/E46 - Installation kit designed to bridge the gap between high-performance fueling and OEM-style fitment. - DeatschWerks - BMW

Installation kit designed to bridge the gap between high-performance fueling and OEM-style fitment.

Brand:
DeatschWerks - Corporate Logo
ES#:
4488352
Mfg#:
9-1052
In Stock at Vendor
$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

ES#1831820 - 22322282340 - Transmission Mount - Priced Each - Secure the rear of the transmission to the crossmember. Made in Germany. - Rein - BMW

Secure the rear of the transmission to the crossmember. Made in Germany. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
1831820
Mfg#:
22322282340
Back Ordered
$41.99 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 Aug 19, 2026
Starting at $40.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Sending Wheel - Intake

ES#22383 - 11317832199 - Camshaft Sending Wheel - Intake - The intake camshaft impulse wheel used for the ECU signal - Genuine BMW - BMW

The intake camshaft impulse wheel used for the ECU signal

Brand:
Genuine BMW - Corporate Logo
ES#:
22383
Mfg#:
11317832199
Ships in 8 Business Days
$32.99 USD
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

8" Stainless Steel Locking Ties - Pack Of 9

ES#261432 - 010201 - 8" Stainless Steel Locking Ties - Pack Of 9 - Secure the exhaust wrap with stainless steel ties - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Secure the exhaust wrap with stainless steel ties

Brand:
DEI - Corporate Logo
ES#:
261432
Mfg#:
010201
Ships on Sep 21, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 OBDII Cable - With JB4 side Repair Harness

ES#4714892 - JB4-OBDII-CA-MC - JB4 OBDII Cable - With JB4 side Repair Harness - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Aug 6, 2026
$30.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Drain Kit

ES#3543138 - 20-0024 - Universal Catch Can Drain Kit - Intuitive drain solution for most catch can applications - Radium Engineering - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Intuitive drain solution for most catch can applications

Brand:
Radium Engineering - Corporate Logo
ES#:
3543138
Mfg#:
20-0024
In Stock at Vendor
$28.99 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings