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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Performance Engine Parts

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2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings

ES#4147675 - SN0-40014 - 2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings - W/Brackets, Solenoid, Hose & All Necessary Fittings - SnowPerformance - Audi BMW Volkswagen MINI

W/Brackets, Solenoid, Hose & All Necessary Fittings Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
SnowPerformance - Corporate Logo
ES#:
4147675
Mfg#:
SN0-40014
In Stock
$140.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titanium Exhaust Wrap - 2" x 50

ES#3022269 - HEA-WRAPKIT-50 - Titanium Exhaust Wrap - 2" x 50 - Designed to handle continuous temperatures up to 1,800F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,800°F Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Prosport Performance - Corporate Logo
ES#:
3022269
Mfg#:
HEA-WRAPKIT-50
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Left - Mirror

ES#4146840 - 026732TMS02-01 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Stepped Left - Mirror - Left - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD - Turner Motorsport - BMW MINI

Left - Mirror Slash Cut Exhaust Tip - 2.5 Inlet - 3.0 OD 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146840
Mfg#:
026732TMS02-01
Ships in 1-3 days
$126.99 USD
Free Shipping
on orders $49 and up
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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" Black Chrome Swivel Exhaust Tips - Set of 4

ES#4901434 - 049478LA03-02KT1 - 3.5" Black Chrome Swivel Exhaust Tips - Set of 4 - 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Turner Motorsport - Corporate Logo
ES#:
4901434
Mfg#:
049478LA03-02KT1
In Stock
ON SALE! SAVE 10%
$279.99

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

$251.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

4" Universal Exhaust Tip w/ Brushed Finish - Priced Each

ES#4039315 - 026374TMS02-10 - 4" Universal Exhaust Tip w/ Brushed Finish - Priced Each - Stainless Steel exhaust tip featuring a 2.5" Inlet & a 4.0" Double Wall, Angle Cut Outlet - Turner Motorsport - BMW MINI

Stainless Steel exhaust tip featuring a 2.5" Inlet & a 4.0" Double Wall, Angle Cut Outlet 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4039315
Mfg#:
026374TMS02-10
In Stock
ON SALE! SAVE 20%
$63.99

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

$51.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.5" Universal Mirror Chrome Swivel Exhaust Tip - Priced Each

ES#4674606 - 049478LA03-01 - 3.5" Universal Mirror Chrome 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Can be used on any 2.5" exhaust piping. Measure before ordering.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4674606
Mfg#:
049478LA03-01
In Stock
ON SALE!
$66.99

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

$63.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schrick Exhaust Camshaft 256 Degree/10.6mm Lift

ES#3024584 - 261.A1.561-02.C - Schrick Exhaust Camshaft 256 Degree/10.6mm Lift - Schrick - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Schrick - Corporate Logo
ES#:
3024584
Mfg#:
261.A1.561-02.C
In Stock
$1401.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW S52/M52 6 Cyl. 264-Degree - Intake Camshaft

ES#3024586 - 261.E1.641-V2C - BMW S52/M52 6 Cyl. 264-Degree - Intake Camshaft - Street and Track Intake Camshaft Setup - Schrick - BMW

Street and Track Intake Camshaft Setup Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Schrick - Corporate Logo
ES#:
3024586
Mfg#:
261.E1.641-V2C
Ships on Dec 18, 2026
$1398.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust

ES#1899401 - 16532 - Cat-Back Exhaust - 2.5" stainless steel with dual 3" polished stainless tips - Magnaflow - BMW

2.5" stainless steel with dual 3" polished stainless tips Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Magnaflow - Corporate Logo
ES#:
1899401
Mfg#:
16532
Ships in 1 Business Day
$1396.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Main Stud Kit - M50/M52/S50/S52

ES#4758996 - ARP-MSK-M50 - Main Stud Kit - M50/M52/S50/S52 - Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform! - ARP - BMW

Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ARP - Corporate Logo
ES#:
4758996
Mfg#:
ARP-MSK-M50
Back Ordered
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518824 - 31-10015 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - BMW

Higher flow, higher performance - oil-free, washable and reuseable! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
AFE - Corporate Logo
ES#:
518824
Mfg#:
31-10015
In Stock
20% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
10-27-2026

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Brushed Stainless

ES#4146850 - 026732TMS06-17 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146850
Mfg#:
026732TMS06-17
In Stock
ON SALE! SAVE 53%
$149.99

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

$70.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Gallon Low Profile Universal Methanol Tank

ES#4714682 - 2G-ULPMT - 2 Gallon Low Profile Universal Methanol Tank - Integrated pump mount for a super clean install. Available in two colors. - Burger Motorsports - Audi BMW Volkswagen MINI

Integrated pump mount for a super clean install. Available in two colors. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714682
Mfg#:
2G-ULPMT
In Stock
Starting at $179.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler

ES#5457423 - UVM63MMDUALOUTX1 - Universal Valved Muffler Kit - Single Inlet / Dual Outlet - 2.5" (63mm) - 1 Muffler - Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button - Valvetronic Designs - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Valvetronic Designs - Corporate Logo
ES#:
5457423
Mfg#:
UVM63MMDUALOUTX1
Ships in 1 Business Day
$399.99 USD
Free Shipping

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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