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BMW E46 Performance Engine Parts

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WPC Performance Rod Bearing Replacement Kit

ES#4884041 - 11131437237-KT - WPC Performance Rod Bearing Replacement Kit - The S54 engine is prone to rod bearing failure, especially with higher mileage. Prevent a costly spun bearing and crankshaft damage by replacing your rod bearings before it's too late. - Assembled By ECS - BMW

The S54 engine is prone to rod bearing failure, especially with higher mileage. Prevent a costly spun bearing and crankshaft damage by replacing your rod bearings before it's too late. 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles Produced After 02/2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
4884041
Mfg#:
11131437237-KT
Back Ordered
Auto Notify
ON SALE!
$767.00

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

$743.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Shark Injector Performance Software

ES#3138953 - N4MS42 - Shark Injector Performance Software - Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +12LB/FT gains! - Shark Injector - BMW

Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +15HP +12LB/FT gains!

Brand:
Shark Injector - Corporate Logo
ES#:
3138953
Mfg#:
N4MS42
In Stock
ON SALE! SAVE 10%
$349.00

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

$314.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Baffled Oil Catch Can - Standard Flow 10oz

ES#4369816 - 022798TMS01-03 - Turner Baffled Oil Catch Can - Standard Flow 10oz - A 4 chamber, baffled oil catch can with a bottom drain option - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with a bottom drain option 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4369816
Mfg#:
022798TMS01-03
In Stock
ON SALE! SAVE 25%
$208.99

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

$156.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set - S54

ES#4758972 - CAR-S54-SCR - CP-Carrillo Connecting Rod Set - S54 - Upgrade to CP-Carrillo's Forged Connecting Rods! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Connecting Rods! Upgrade Your Connecting Rods in Your High Horsepower S54!

Brand:
5150 Autosport - Corporate Logo
ES#:
4758972
Mfg#:
CAR-S54-SCR
Ships in 3 Business Days
Starting at $1849.99 USD
Customize
Free Shipping
on orders $49 and up

E46 M3 Performance Cat Back Exhaust

ES#2827626 - SSXBM462 - E46 M3 Performance Cat Back Exhaust - Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance. - Milltek Sport - BMW

Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance.

Brand:
Milltek Sport - Corporate Logo
ES#:
2827626
Mfg#:
SSXBM462
Back Ordered
ON SALE! SAVE 10%
$2387.99

This product was last offered at the strikethrough price on
08-29-2026

$2148.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Methanol Injection System

ES#3438868 - 14-003 - E46 Methanol Injection System - Reduce heat soak - Active Autowerke - BMW

Reduce heat soak

Brand:
Active Autowerke - Corporate Logo
ES#:
3438868
Mfg#:
14-003
Ships in 3 Business Days
$2137.00 USD
Free Shipping

Oil Line Fitting Adapter

ES#2817090 - MM0CF-BMW - Oil Line Fitting Adapter - Allows you to use larger after market oil coolers that utilize AN fittings - Mishimoto - BMW

Allows you to use larger after market oil coolers that utilize AN fittings

Brand:
Mishimoto - Corporate Logo
ES#:
2817090
Mfg#:
MM0CF-BMW
In Stock
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Baffled Oil Catch Can - Standard Flow 8oz

ES#4369815 - 022798TMS01-02 - Turner Baffled Oil Catch Can - Standard Flow 8oz - A 4 chamber, baffled oil catch can with a bottom drain option - Turner Motorsport - BMW

A 4 chamber, baffled oil catch can with a bottom drain option 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4369815
Mfg#:
022798TMS01-02
In Stock
ON SALE! SAVE 25%
$218.99

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

$164.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust

ES#2539172 - 140084 - Cat-Back Exhaust - From the world's most experienced and most winning exhaust brand - Borla - BMW

From the world's most experienced and most winning exhaust brand For coupe models only

Brand:
Borla - Corporate Logo
ES#:
2539172
Mfg#:
140084
In Stock at Vendor
$2118.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set M5X Pro-Xtreme

ES#4759044 - CAR-CRS-S52-XT - CP-Carrillo Connecting Rod Set M5X Pro-Xtreme - Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods - 5150 Autosport - BMW

Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 3 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Power Pulley Kit

ES#3027882 - TMS301180 - Turner Motorsport 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 Into Our F80 M3 Sweepstakes
For vehicles with Valeo alternator

Brand:
Turner Motorsport - Corporate Logo
ES#:
3027882
Mfg#:
TMS301180
In Stock
ON SALE! SAVE 20%
$372.99

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

$298.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Performance Muffler (Gen 2)

ES#3033326 - 043926 - Supersprint Performance Muffler (Gen 2) - Updated Sports Style muffler with a refined exhaust note - Supersprint - BMW

Updated Sports Style muffler with a refined exhaust note

Brand:
Supersprint - Corporate Logo
ES#:
3033326
Mfg#:
043926
Ships on Dec 9, 2026
$2086.99 USD
Free Shipping

Turner/ECS E46 330 M54 Engine Performance Package

ES#4691015 - E46330PP - Turner/ECS E46 330 M54 Engine Performance Package - What steps can you take to upgrade your E46 330? Here is an easy solution, this kit features all of "must have" upgrades to get your 330 making more power, more noise making it more fun to drive! - Assembled By ECS - BMW

What steps can you take to upgrade your E46 330? Here is an easy solution, this kit features all of "must have" upgrades to get your 330 making more power, more noise making it more fun to drive! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4691015
Mfg#:
E46330PP
Back Ordered
ON SALE!
Starting at $0.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2999054 - MMRAD-E46-323 - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks For vehicles with manual transmission

Brand:
Mishimoto - Corporate Logo
ES#:
2999054
Mfg#:
MMRAD-E46-323
Ships in 3 Business Days
$503.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.5" Universal Brushed Aluminum Swivel Exhaust Tip - Priced Each

ES#4658277 - 049478LA03-04 - 3.5" Universal Brushed Aluminum Swivel Exhaust Tip - Priced Each - Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Universal exhaust tips with a swivel adjustability to fine tune your exhaust. 2.5" Inlet & a 3.5" Double Wall, Angle Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes
Can be used on any 2.5" exhaust piping. Measure before ordering.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4658277
Mfg#:
049478LA03-04
In Stock
ON SALE! SAVE 10%
$56.99

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

$51.29 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.

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.

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