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BMW E46 Performance Engine Parts

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Turner Plug-And-Play Alpha-N IAT Sensor Relocation Kit

ES#4142048 - 014579TMSKT - Turner Plug-And-Play Alpha-N IAT Sensor Relocation Kit - Painless plug-and-play IAT solution for elimination of MAF sensor in favor of Alpha-N tuning. - Turner Motorsport - BMW

Painless plug-and-play IAT solution for elimination of MAF sensor in favor of Alpha-N tuning. 10X Entries Into Our F80 M3 Sweepstakes
Drilling Required!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4142048
Mfg#:
014579TMSKT
In Stock
ON SALE! SAVE 25%
$136.36

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

$102.27 USD
Free Shipping
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

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

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 Jan 28, 2027
$2086.99 USD
Free Shipping

Engine Mount - Priced Each

ES#2713350 - 11812283798 - Engine Mount - Priced Each - Keep your engine securely mounted - URO - BMW

Keep your engine securely mounted 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Harder durometer mount from the M3 for improved performance.

Brand:
URO - Corporate Logo
ES#:
2713350
Mfg#:
11812283798
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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

CSL Style Intake - Matte

ES#4158954 - 003313TMS0102KT2 - CSL Style Intake - Matte - The Famous Euro Only M3 CSL Intake, redesigned for maximum air intake. Constructed & Finished entirely in matte Carbon - Turner Motorsport - BMW

The Famous Euro Only M3 CSL Intake, redesigned for maximum air intake. Constructed & Finished entirely in matte Carbon 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4158954
Mfg#:
003313TMS0102KT2
In Stock
ON SALE! SAVE 20%
$2549.99

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

$2039.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torque Solution Thermal Turbo Blanket (Black)

ES#5480818 - tqsTS-TB-FT3BK - Torque Solution Thermal Turbo Blanket (Black) - Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings - Torque Solution - Audi BMW Volkswagen MINI Porsche

Fits T3, T3/T4, T25, T28, GT25, GT28, GT30, GT32, GT35, GT37 Turbo Back Housings

Brand:
Torque Solution - Corporate Logo
ES#:
5480818
Mfg#:
TQSTS-TB-FT3BK
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 325i Luft-Technik Intake System - Red Filter

ES#4699143 - 008694la12rKT - E46 325i Luft-Technik Intake System - Red Filter - Replaces your restrictive intake system with a high-flowing conical filter and smooth-bore silicone. Experience a 28% increase in airflow and raw induction sounds! - ECS - BMW

Replaces your restrictive intake system with a high-flowing conical filter and smooth-bore silicone. Experience a 28% increase in airflow and raw induction sounds! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4699143
Mfg#:
008694LA12RKT
Ships in 10 Business Days
ON SALE! SAVE 15%
$334.99

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

$284.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Cat-back Exhaust System

Increase power and sound with this cat back system from Scorpion.

Brand:
Scorpion - Corporate Logo
ES#:
3969452
Mfg#:
SBM050
Ships in 2 Business Days
$1986.99 USD

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

Athena Cut Ring Head Gasket - 84.5mm (84mm Bore)

ES#4758998 - ATH-HG-CR-M50-84 - Athena Cut Ring Head Gasket - 84.5mm (84mm Bore) - Upgrade From The OE MLS Gasket to The Best Performance Head Gasket on the Market! - 5150 Autosport - BMW

Upgrade From The OE MLS Gasket to The Best Performance Head Gasket on the Market!

Brand:
5150 Autosport - Corporate Logo
ES#:
4758998
Mfg#:
ATH-HG-CR-M50-84
Ships on Nov 23, 2026
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M52 M54 Silicone Radiator Hose Kit

ES#4142065 - 006205LA01 - E46 M52 M54 Silicone Radiator Hose Kit - Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. - ECS - BMW

Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4142065
Mfg#:
006205LA01
In Stock
ON SALE! SAVE 25%
$160.99

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

$120.74 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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