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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Performance Engine Parts

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High Flow Water Methanol Check Valve (Nylon Line)

ES#3469706 - sn0-8cv - High Flow Water Methanol Check Valve (Nylon Line) - Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol. - SnowPerformance - Audi BMW Volkswagen MINI

Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.

Brand:
SnowPerformance - Corporate Logo
ES#:
3469706
Mfg#:
SN0-8CV
Ships in 6 Business Days
$31.99 USD
Free Shipping
on orders $49 and up

Red High Temp Nylon Tubing - 20ft

ES#4339592 - SN0-8087 - Red High Temp Nylon Tubing - 20ft - Water Methanol Tubing - SnowPerformance - Audi BMW Volkswagen MINI

Water Methanol Tubing

Brand:
SnowPerformance - Corporate Logo
ES#:
4339592
Mfg#:
SN0-8087
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Power Pulley Kit

ES#3143166 - ppk-e46tu-valeo - Turner Motorsport Power Pulley Kit - Eliminate parasitic loss and free up to 11hp! An ideal compromise between power, reliability, and system performance. - Turner Motorsport - BMW

Eliminate parasitic loss and free up to 11hp! An ideal compromise between power, reliability, and system performance. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Valeo alternator only

Brand:
Turner Motorsport - Corporate Logo
ES#:
3143166
Mfg#:
PPK-E46TU-VALEO
In Stock
ON SALE! SAVE 20%
$382.99

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

$306.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set - M5X

ES#4758994 - 5150-HPMBS-M50 - Performance Main Bearing Set - M5X - Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size - 5150 Autosport - BMW

Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size

Brand:
5150 Autosport - Corporate Logo
ES#:
4758994
Mfg#:
5150-HPMBS-M50
Ships in 3 Business Days
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Nozzle Mounting adapter for hose

ES#2826223 - 40110 - Nozzle Mounting adapter for hose - 1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders - SnowPerformance - Audi BMW Volkswagen MINI

1/8" NPT Threads, Can Only Be Used With Snow Performance Straight Style Nozzle Holders

Brand:
SnowPerformance - Corporate Logo
ES#:
2826223
Mfg#:
40110
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 323/328 Luft-Technik Intake System - Red Filter

ES#4875835 - 039102LA01RKT - E46 323/328 Luft-Technik Intake System - Red Filter - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4875835
Mfg#:
039102LA01RKT
In Stock
ON SALE! SAVE 15%
$333.99

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

$283.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Air Intake Kit

ES#2952204 - MMAIE4699BK - Mishimoto Air Intake Kit - Let your car breathe with this bolt-on intake kit - Mishimoto - BMW

Let your car breathe with this bolt-on intake kit CARB certified for sale in all 50 states

Brand:
Mishimoto - Corporate Logo
ES#:
2952204
Mfg#:
MMAIE4699BK
EO#:
D-759-1
In Stock at Vendor
$282.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Snow Performance Water Tank Upgrade - 7gal

Braided SS Line/Brackets/Solenoid/4AN Fittings

Brand:
SnowPerformance - Corporate Logo
ES#:
4680249
Mfg#:
SN0-40016-BRD
In Stock at Vendor
$260.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed

ES#4146839 - 026732TMS01-02 - Turner Motorsport Single Wall Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Right - Brushed - Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Right - Brushed Straight Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146839
Mfg#:
026732TMS01-02
Ships on Oct 29, 2026
Auto Notify
ON SALE! SAVE 20%
$104.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner 4" Universal Double Wall Exhaust Tip W/ Brushed Stainless Finish

ES#4464688 - 026374TMS02-12 - Turner 4" Universal Double Wall Exhaust Tip W/ Brushed Stainless Finish - Stainless Steel exhaust tip featuring a 3" Inlet & a 4.0", Slant Cut Outlet - Turner Motorsport - BMW

Stainless Steel exhaust tip featuring a 3" Inlet & a 4.0", Slant Cut Outlet 10X Entries For Our 25th Anniversary Sweepstakes!
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4464688
Mfg#:
026374TMS02-12
Ships on Aug 17, 2026
Auto Notify
ON SALE!
$83.99

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

$81.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1 Gallon Methanol Tank - Clear/White

ES#3514828 - 1G-MT-CL - 1 Gallon Methanol Tank - Clear/White - Inexpensive, compact, and easy to mount. - Burger Motorsports - Audi BMW Volkswagen MINI

Inexpensive, compact, and easy to mount.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514828
Mfg#:
1G-MT-CL
Ships in 6 Business Days
$30.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

24-270X Accusump Pro Electric Valve Kit

ES#4056090 - 24-270X - 24-270X Accusump Pro Electric Valve Kit - Allows convenient remote operation of Accusump in street, drag race and pre-oiling applications - Canton Racing - Audi BMW Volkswagen MINI

Allows convenient remote operation of Accusump in street, drag race and pre-oiling applications

Brand:
Canton Racing - Corporate Logo
ES#:
4056090
Mfg#:
24-270X
Ships on Aug 10, 2026
$228.00 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

E46 Magnum FORCE Dynamic Air Scoop - Black

ES#1843829 - 54-10468 - E46 Magnum FORCE Dynamic Air Scoop - Black - Directs frontal air into intake system for maximum performance - AFE - BMW

Directs frontal air into intake system for maximum performance

Brand:
AFE - Corporate Logo
ES#:
1843829
Mfg#:
54-10468
In Stock at Vendor
20% off MSRP

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

$140.00

This product was last offered at the strikethrough price on
01-28-2026

$112.00 USD
Free Shipping
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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