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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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Air Intake Boot

ES#34019 - 13541435627 - Air Intake Boot - Connects directly to the throttle body - Genuine BMW - BMW

Connects directly to the throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34019
Mfg#:
13541435627
In Stock
$67.99

This product was last offered at the strikethrough price on
02-03-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#21817 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Genuine BMW - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21817
Mfg#:
11287841228
In Stock
8% off MSRP

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

$123.34

This product was last offered at the strikethrough price on
06-12-2026

$113.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum water pump & power steering Pulley Kit - With Belts

ES#2863229 - 003042ECS01KT5 - Aluminum water pump & power steering Pulley Kit - With Belts - Finally, a durable pulley kit that won't break! Includes durable ECS Aluminum Power Steering Pulley, Aluminum water pump and Continental belts. - Assembled By ECS - BMW

Finally, a durable pulley kit that won't break! Includes durable ECS Aluminum Power Steering Pulley, Aluminum water pump and Continental belts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date before 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2863229
Mfg#:
003042ECS01KT5
Ships in 10 Business Days
Auto Notify
ON SALE!
$237.99

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

$225.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Fuel Line

ES#36262 - 16117175998 - E46 Fuel Line - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
36262
Mfg#:
16117175998
Ships in 1-2 days
3% off MSRP

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

$174.99

This product was last offered at the strikethrough price on
06-12-2026

$168.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Securing Nut - Priced Each

ES#4316502 - 11121738607 - Valve Cover Securing Nut - Priced Each - Used to tighten down the valve cover to the cylinder head - Bremmen Parts - BMW

Used to tighten down the valve cover to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316502
Mfg#:
11121738607
In Stock
ON SALE! SAVE 30%
$4.99

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

$3.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Intake Boot Kit

ES#3612500 - 13541705209KT - Air Intake Boot Kit - Includes both intake boots, hose clamps, and ECS Aluminum F connector - Assembled By ECS - BMW

Includes both intake boots, hose clamps, and ECS Aluminum F connector 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#:
3612500
Mfg#:
13541705209KT
In Stock
ON SALE! SAVE 14%
$129.99

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

$111.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Solenoid Switch and piston Kit

ES#4172079 - 11361432532KT2 - VANOS Solenoid Switch and piston Kit - Replace you VANOS solenoid and piston, also includes special socket to prevent damage to new solenoid. - Assembled By ECS - BMW

Replace you VANOS solenoid and piston, also includes special socket to prevent damage to new solenoid. 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#:
4172079
Mfg#:
11361432532KT2
Ships in 2 Business Days
$669.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Seal Washer - Priced Each

ES#2581843 - 11121437395 - Valve Cover Seal Washer - Priced Each - Rubber sealing washer underneath valve cover securing nut - Elring - BMW
ECS Tuning recommends this product.

Rubber sealing washer underneath valve cover securing nut affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
12 per valve cover

Brand:
Elring - Corporate Logo
ES#:
2581843
Mfg#:
11121437395
In Stock
$2.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2893822
Mfg#:
11527505302
Ships on Aug 3, 2026
Auto Notify
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Bolt Seal - Set of 15

ES#3673833 - B32352 - Valve Cover Bolt Seal - Set of 15 - To be replaced when dry, cracked, or leaking. - Victor Reinz - BMW

To be replaced when dry, cracked, or leaking. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
12 per valve cover

Brand:
Victor Reinz - Corporate Logo
ES#:
3673833
Mfg#:
B32352
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#16073 - 07129904681 - Torx Bolt - Priced Each - M10x65 - Genuine BMW - BMW

M10x65 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16073
Mfg#:
07129904681
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.

$9.69

This product was last offered at the strikethrough price on
06-12-2026

$7.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Dual Vanos Rebuild Seal Kit

ES#4493083 - RGDVNSSK - Race German Dual Vanos Rebuild Seal Kit - Eliminate VANOS issues or stop them before they happen! - Race German - BMW

Eliminate VANOS issues or stop them before they happen! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493083
Mfg#:
RGDVNSSK
Ships in 1 Business Day
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Competition Fuel Cap Cover

ES#4904975 - BM-0006-BCG - Carbon Competition Fuel Cap Cover - Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. - AUTOTECKNIC - BMW MINI

Elevate the aesthetics of your BMW and leave no stone unturned; take your BMW to the next level with the AutoTecknic dry carbon fiber fuel cap cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4904975
Mfg#:
BM-0006-BCG
In Stock
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen Oil Change Kit / Inspection I

ES#3448031 - M50OCLLMGKT2 - Liqui Moly MolyGen Oil Change Kit / Inspection I - Includes Hengst filter, ECS magnetic drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - BMW

Includes Hengst filter, ECS magnetic drain plug, and Liqui Moly oil with MolyGen technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Next generation synthetic oil with up to 15% lower coefficient of friction. Glows green under UV light fo

Brand:
Assembled By ECS - Corporate Logo
ES#:
3448031
Mfg#:
M50OCLLMGKT2
In Stock
ON SALE! SAVE 12%
$138.99

This product was last offered at the strikethrough price on
05-15-2026

$122.28 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Powerflex Tuneable Hybrid Urethane Engine Mounts - Street

ES#4666704 - PFF5-4650 - Powerflex Tuneable Hybrid Urethane Engine Mounts - Street - "Tuneable" to multiple performance settings! - Powerflex - BMW

"Tuneable" to multiple performance settings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
4666704
Mfg#:
PFF5-4650
In Stock
$431.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner

ES#3215707 - 11311738700 - Upper Timing Chain Tensioner - Guide used to tension the timing chain - Ina - BMW

Guide used to tension the timing chain 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#:
3215707
Mfg#:
11311738700
In Stock
$56.11

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

$47.99 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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