Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323i M52 2.5L

BMW E46 323i M52 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top
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
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
Ships in 1 Business Day
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1831992 - 11121436822 - Cylinder Head Gasket - Set - Complete head gasket set, includes all of the required gasket and seals - Victor Reinz - BMW

Complete head gasket set, includes all of the required gasket and seals

Brand:
Victor Reinz - Corporate Logo
ES#:
1831992
Mfg#:
11121436822
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818523 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Bremmen Parts - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818523
Mfg#:
11287841228
In Stock
ON SALE!
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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

Brand:
Borla - Corporate Logo
ES#:
2539172
Mfg#:
140084
In Stock at Vendor
$2118.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2762612 - 13411744713 - Idle Control Valve - An integral part of the air intake system - Vemo - BMW

An integral part of the air intake system

Brand:
Vemo - Corporate Logo
ES#:
2762612
Mfg#:
13411744713
In Stock
$213.99

This product was last offered at the strikethrough price on
05-07-2026

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 4 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up
ES#2795143 - 17117573781KT6 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Assembled By ECS - BMW

More advanced expansion tank replacement kit 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795143
Mfg#:
17117573781KT6
In Stock
ON SALE!
$124.99

This product was last offered at the strikethrough price on
08-24-2026

$122.65 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4758078 - 7599219T1KT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Turner Performance Ignition Coils - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Turner Performance Ignition Coils 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4758078
Mfg#:
7599219T1KT
In Stock
ON SALE!
$265.99

This product was last offered at the strikethrough price on
10-21-2026

$260.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4364724 - 11-AM-OPB-M54 - Race Oil Pan Baffle Kit - M52TU M54 - Keep your oil from sloshing and maintain oil pressure! - Achilles Motorsports - BMW

Keep your oil from sloshing and maintain oil pressure! For Dual Vanos Engines with a production date from 09/1998+

Brand:
Achilles Motorsports - Corporate Logo
ES#:
4364724
Mfg#:
11-AM-OPB-M54
Ships in 4 Business Days
$159.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#2867843 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Febi - BMW
ECS Tuning recommends this product.

Monitors coolant / oil temperature We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867843
Mfg#:
13621433076
In Stock
$17.99

This product was last offered at the strikethrough price on
06-22-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#31851 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Genuine BMW - BMW

Used to seal sensor to the oil pan

Brand:
Genuine BMW - Corporate Logo
ES#:
31851
Mfg#:
12611744292
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4689987 - 11211719984 - Lower Timing Chain Sprocket - Timing sprocket located on the crank, behind the crank pulley - Bavarian Autosport - BMW

Timing sprocket located on the crank, behind the crank pulley 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4689987
Mfg#:
11211719984
In Stock
ON SALE!
$51.19 USD
Free Shipping
on orders $49 and up
ES#4029387 - 11417501568 - Oil Pump M52 and M54 Engine - Keep your engine well lubricated - Pierburg - BMW

Keep your engine well lubricated

Brand:
Pierburg - Corporate Logo
ES#:
4029387
Mfg#:
11417501568
In Stock
$510.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039816 - 11311738700 - Upper Timing Chain Tensioner - Guide used to tension the timing chain - Bavarian Autosport - BMW

Guide used to tension the timing chain 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039816
Mfg#:
11311738700
In Stock
ON SALE!
$39.99 USD
Free Shipping
on orders $49 and up

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings