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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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918759
Mfg#:
11127514540-1KT
Back Ordered
ON SALE!
$3485.99

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

$3461.96 USD
This product is lifetime replacement eligible Partial Replacement

Oxygen Sensor - Priced Each

ES#2873855 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Febi - BMW

2 required in each application We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873855
Mfg#:
11781742050
Special Order: No Guaranteed ETA
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2586717 - 12129069877OEKT - Ignition Service Kit - Restore your ignition system using genuine BMW components - Genuine BMW - BMW

Restore your ignition system using genuine BMW components

Brand:
Genuine BMW - Corporate Logo
ES#:
2586717
Mfg#:
12129069877OEKT
Back Ordered
$1093.99

This product was last offered at the strikethrough price on
07-06-2026

$1039.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Manifold Installation Kit

ES#2593731 - 11621732969KT1 - Manifold Installation Kit - Includes hardware and gaskets - Genuine BMW - BMW

Includes hardware and gaskets

Brand:
Genuine BMW - Corporate Logo
ES#:
2593731
Mfg#:
11621732969KT1
Back Ordered
$409.99

This product was last offered at the strikethrough price on
10-08-2026

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#3672460 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. Made in Germany. - Meyle - BMW

Runs from the top of the oil separator up to intake manifold. Made in Germany. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 01/2000

Brand:
Meyle - Corporate Logo
ES#:
3672460
Mfg#:
11617504535
Back Ordered
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW | Gasket Kit, crankcase

ES#4860051 - 11111432478 - BMW | Gasket Kit, crankcase - Vaico - BMW

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4860051
Mfg#:
11111432478
Special Order: No Guaranteed ETA
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW | Oil Hose

ES#4860297 - 11361705532 - BMW | Oil Hose - Vaico - BMW

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4860297
Mfg#:
11361705532
Special Order: No Guaranteed ETA
$28.99 USD
Free Shipping
on orders $49 and up

BMW | sensor, coolant level

ES#4854649 - 17137553919 - BMW | sensor, coolant level - Vemo - BMW MINI

Brand:
Vemo - Corporate Logo
ES#:
4854649
Mfg#:
17137553919
Special Order: No Guaranteed ETA
$11.99 USD
Free Shipping
on orders $49 and up

BMW | Sensor, fuel tank pressure

ES#4854512 - 16137193479 - BMW | Sensor, fuel tank pressure - Vemo - BMW MINI

Brand:
Vemo - Corporate Logo
ES#:
4854512
Mfg#:
16137193479
Special Order: No Guaranteed ETA
$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve - Cold Climate Version

Commonly referred to as the "oil separator" Superior performance for both warm and cold climates

Brand:
Atlantic Enterprises
ES#:
2602981
Mfg#:
11617533400
Back Ordered
$69.99 USD
Free Shipping
on orders $49 and up

Cylinder Head Gasket Set

This comprehensive head gasket kit contains more articles than the standard OE kit, providing a robust refresh during a top-end rebuild. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4068840
Mfg#:
11121436822
Back Ordered
$428.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Radiator

Keep your engine temps where they are supposed to be.

Brand:
Mishimoto - Corporate Logo
ES#:
4140148
Mfg#:
R1841-AT
Back Ordered
$143.99 USD

Vanos Solenoid Piston

Can start to stick over time We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846204
Mfg#:
11367560298
Special Order: No Guaranteed ETA
$24.99

This product was last offered at the strikethrough price on
09-24-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Molygen New Generation Engine Oil (5w-40) - 5 Liter

ES#3246016 - 20232 - Molygen New Generation Engine Oil (5w-40) - 5 Liter - Full synthetic oil with fluorescent, friction-reducing additive! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Full synthetic oil with fluorescent, friction-reducing additive! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3246016
Mfg#:
20232
In Stock
47% off MSRP

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

$114.99

This product was last offered at the strikethrough price on
05-14-2026

$60.99 USD
Free Shipping
on orders $49 and up

Leichtlauf High Tech Engine Oil (5w-40) - 5 Liter

ES#2785255 - 2332 - Leichtlauf High Tech Engine Oil (5w-40) - 5 Liter - Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
2785255
Mfg#:
2332
In Stock
49% off MSRP

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

$123.99

This product was last offered at the strikethrough price on
08-30-2026

$62.99 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.

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