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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Parts & Accessories

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Complete Cylinder Head Ultimate Replacement Kit

ES#2918759 - 11127514540-1KT - Complete Cylinder Head Ultimate Replacement Kit - Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918759
Mfg#:
11127514540-1KT
Ships on Aug 25, 2026
ON SALE!
$3485.99

This product was last offered at the strikethrough price on
06-11-2026

$3323.25 USD
This product is lifetime replacement eligible Partial Replacement

Vacuum Control Valve

ES#4343213 - 11740396414 - Vacuum Control Valve - Used in emissions and noise reduction systems - Febi - BMW

Used in emissions and noise reduction systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343213
Mfg#:
11740396414
Special Order: No Guaranteed ETA
$64.99 USD
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant Flange

ES#4343477 - 17111707817 - BMW Coolant Flange - Connects the radiator to the expansion tank - Febi - BMW

Connects the radiator to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343477
Mfg#:
17111707817
Special Order: No Guaranteed ETA
$47.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose With Quick Connectors

ES#4343135 - 11531436410 - Coolant Hose With Quick Connectors - Connects the Expansion Tank to the Water Pipe - Febi - BMW

Connects the Expansion Tank to the Water Pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343135
Mfg#:
11531436410
Special Order: No Guaranteed ETA
$28.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Valve - Priced Each

ES#2873733 - 11341739821 - Exhaust Valve - Priced Each - Replacement exhaust valve - Febi - BMW

Replacement exhaust valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873733
Mfg#:
11341739821
Special Order: No Guaranteed ETA
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Adjustment Control Valve E39, E46, E53, E60, E83, Z4, Z3

ES#4415688 - 11361432532 - Camshaft Adjustment Control Valve E39, E46, E53, E60, E83, Z4, Z3 - Also known as the VANOS solenoid. - Vaico - BMW

Also known as the VANOS solenoid. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4415688
Mfg#:
11361432532
Special Order: No Guaranteed ETA
$140.99 USD
Free Shipping
on orders $49 and up

Oil Filter Housing

ES#4846181 - 11421713838 - Oil Filter Housing - Includes a seal, filter and cap - Vaico - BMW

Includes a seal, filter and cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846181
Mfg#:
11421713838
Special Order: No Guaranteed ETA
$326.99 USD
Free Shipping
on orders $49 and up

Engine Mount - Priced Each

Keep your engine securely mounted affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Harder durometer mount from the M3 for improved performance.

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480234
Mfg#:
11812283798
Ships on Oct 19, 2026
Auto Notify
$45.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket Set

Contains both gaskets needed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480236
Mfg#:
11611436631
Ships on Oct 19, 2026
Auto Notify
$22.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Temperature Sensor And Gauge Kit - Green/White

ES#3173689 - oiltempgaugeKT - Oil Temperature Sensor And Gauge Kit - Green/White - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173689
Mfg#:
OILTEMPGAUGEKT
Ships on Oct 26, 2026
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Temperature Sensor And Gauge Kit - Blue/Red

ES#3173690 - oiltempgaugeBRKT - Oil Temperature Sensor And Gauge Kit - Blue/Red - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173690
Mfg#:
OILTEMPGAUGEBRKT
Ships on Oct 26, 2026
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Hose (Lower Right)

ES#4900637 - 11531436408 - Coolant Hose (Lower Right) - Maintain your BMW™s performance and cooling reliability with the Meyle lower right coolant hose a dependable solution for consistent engine health. - Meyle - BMW

Maintain your BMW’s performance and cooling reliability with the Meyle lower right coolant hose – a dependable solution for consistent engine health. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900637
Mfg#:
11531436408
Special Order: No Guaranteed ETA
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW - Engine/Cooling

ES#4900639 - 11531437040 - BMW - Engine/Cooling - A common item to crack causing leaks - Meyle - BMW

A common item to crack causing leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! For vehicles with production date from 09/1998

Brand:
Meyle - Corporate Logo
ES#:
4900639
Mfg#:
11531437040
Special Order: No Guaranteed ETA
$76.99

This product was last offered at the strikethrough price on
12-29-2025

$75.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Boot - Priced Each

ES#4327364 - 12139067831 - Spark Plug Boot - Priced Each - Connects coil pack to spark plug - Meyle - BMW

Connects coil pack to spark plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327364
Mfg#:
12139067831
Special Order: No Guaranteed ETA
$15.99 USD
Free Shipping
on orders $49 and up

Coolant Temperature Sensor

Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5456617
Mfg#:
3141362103
Special Order: No Guaranteed ETA
$8.99 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Priced Each

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4726449
Mfg#:
11781247406
Special Order: No Guaranteed ETA
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

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