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

BMW E46 323Ci M52 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#3024262 - 12147518628H - Camshaft Position Sensor - Exhaust side. - Hella - BMW

Exhaust side. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3024262
Mfg#:
12147518628H
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4069336 - 11531705210 - Heater Inlet Pipe   - Runs from the front left side of the engine to the heater inlet - Rein - BMW

Runs from the front left side of the engine to the heater inlet 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:
Rein - Corporate Logo
ES#:
4069336
Mfg#:
11531705210
In Stock
ON SALE!
$41.99

This product was last offered at the strikethrough price on
06-29-2026

$39.89 USD
Free Shipping
on orders $49 and up
ES#2762612 - 13411744713 - Idle Control Valve - An integral part of the air intake system - Vemo - BMW

An integral part of the air intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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#4668276 - 7211 - BMW S54 Swap High-Performance Radiator  - E36/E46 - Cooling for your S54 Swap! - CSF - BMW

Cooling for your S54 Swap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with an S54 Engine Swap CARB certified for sale in all 50 states

Brand:
CSF - Corporate Logo
ES#:
4668276
Mfg#:
7211
EO#:
D-802-19
In Stock
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2918754 - 11127514540-2KT - Complete Cylinder Head basic Replacement Kit - Everything you will need to do a head service on your BMW - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW 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#:
2918754
Mfg#:
11127514540-2KT
Ships on Sep 10, 2026
$2428.99

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

$2368.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
Ships in 3 Business Days
$110.29

This product was last offered at the strikethrough price on
06-29-2026

$97.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#37448 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - Genuine BMW - BMW

Located in the fuel tank-includes fuel level sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37448
Mfg#:
16146766942
In Stock
6% off MSRP

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

$495.99

This product was last offered at the strikethrough price on
07-01-2026

$463.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159570 - ke119m845 - Wiseco BMW Piston set - 2.8L 24V Turbo 84.5mm Bore +.50 Oversized 8.0:1 CR Pistons - Wiseco - BMW

2.8L 24V Turbo 84.5mm Bore +.50 Oversized 8.0:1 CR Pistons affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wiseco - Corporate Logo
ES#:
4159570
Mfg#:
KE119M845
In Stock at Vendor
$1157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2497298 - 17119071518KT - ECS Cooling System Refresh Kit - Level 3 - The  ultimate kit to cover all the necessary components - featuring OEM contents - Genuine BMW - BMW

The <font color='red'> ultimate</font> kit to cover all the necessary components - featuring OEM contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
2497298
Mfg#:
17119071518KT
Ships in 5 Business Days
$2311.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#2996646 - 11241284849 - Connecting Rod Bearing Set - Standard bore - 45mm - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard bore - 45mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2996646
Mfg#:
11241284849
In Stock
$77.11

This product was last offered at the strikethrough price on
02-20-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2683652 - 12618611273 - Oil Pressure Switch - M12x1.5 - Leaking or malfunctioning oil pressure switches can be disastrous - Genuine BMW - BMW

Leaking or malfunctioning oil pressure switches can be disastrous affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2683652
Mfg#:
12618611273
In Stock
17% off MSRP

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

$34.59

This product was last offered at the strikethrough price on
07-01-2026

$28.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4759474 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Bremmen Parts - BMW

Complete tensioner assembly with roller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759474
Mfg#:
11281433571
In Stock
ON SALE! SAVE 21%
$59.99

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

$47.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#18130 - 11121432928 - Valve Cover - A complete valve cover assembly - Genuine BMW - BMW

A complete valve cover assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18130
Mfg#:
11121432928
Ships in 3 Business Days
4% off MSRP

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

$469.99

This product was last offered at the strikethrough price on
07-01-2026

$451.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2534820 - 11511436590 - Aluminum Water Pump Pulley - An upgrade over commonly failing plastic pulley - URO - BMW
ECS Tuning recommends this product.

An upgrade over commonly failing plastic pulley 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:
URO - Corporate Logo
ES#:
2534820
Mfg#:
11511436590
In Stock
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#169417 - 61366915327 - Relay - Relay for Injectors - Genuine BMW - BMW

Relay for Injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169417
Mfg#:
61366915327
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3522205 - 11317838675 - Timing Chain Tensioner - Located on the lower rear timing chain guide rail - Ina - BMW

Located on the lower rear timing chain guide rail affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3522205
Mfg#:
11317838675
In Stock
$139.99

This product was last offered at the strikethrough price on
05-06-2026

$52.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings