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BMW E46 325xi M54 2.5L

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BMW E46 325xi M54 2.5L Engine Parts & Accessories

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Belt Tensioner Conversion Kit

ES#4164847 - 11287838797K - Belt Tensioner Conversion Kit - Update from a mechanical tensioner to a hydraulic style tensioner - URO - BMW

Update from a mechanical tensioner to a hydraulic style tensioner 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#:
4164847
Mfg#:
11287838797K
Back Ordered
Auto Notify
$82.99

This product was last offered at the strikethrough price on
06-16-2026

$65.99 USD
Free Shipping
on orders $49 and up

Radiator - Manual

ES#38234 - 17119071517 - Radiator - Manual - Genuine replacement radiator. - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
38234
Mfg#:
17119071517
Ships in 2 Business Days
6% off MSRP

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

$487.99

This product was last offered at the strikethrough price on
07-11-2026

$459.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 Z4 Radiator - Automatic

ES#38236 - 17119071519 - E46 Z4 Radiator - Automatic - Genuine replacement radiator - Genuine BMW - BMW

Genuine replacement radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
38236
Mfg#:
17119071519
Ships in 2 Business Days
6% off MSRP

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

$487.99

This product was last offered at the strikethrough price on
07-11-2026

$459.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#38235 - 17119071518 - Radiator - Genuine replacement radiator. - Genuine BMW - BMW

Genuine replacement radiator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
38235
Mfg#:
17119071518
Ships in 2 Business Days
6% off MSRP

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

$487.99

This product was last offered at the strikethrough price on
07-11-2026

$459.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Vacuum Line

ES#26851 - 11727574490 - Secondary Air Pump Vacuum Line - Replacement line - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
26851
Mfg#:
11727574490
In Stock
3% off MSRP

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

$58.99

This product was last offered at the strikethrough price on
07-11-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket - Crankshaft Seal Housing

ES#19221 - 11141432240 - Gasket - Crankshaft Seal Housing - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
19221
Mfg#:
11141432240
In Stock
2% off MSRP

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

$25.70

This product was last offered at the strikethrough price on
07-11-2026

$25.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#18478 - 11127512839 - 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
For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
18478
Mfg#:
11127512839
Ships in 2 Business 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.

$469.99

This product was last offered at the strikethrough price on
07-11-2026

$454.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Check Valve

ES#18332 - 11121735180 - Cylinder Head Check Valve - Clogged or broken check valve? Here's your solution. - Genuine BMW - BMW

Clogged or broken check valve? Here's your solution. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18332
Mfg#:
11121735180
Ships in 2 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.

$67.99

This product was last offered at the strikethrough price on
07-11-2026

$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Power Steering Pulley Kit

ES#2804221 - 003042ECS01KT - Aluminum Power Steering Pulley Kit - Finally, a durable power steering pulley that won't break! Includes ECS Aluminum Power Steering Pulley, three retaining bolts, and Continental power steering belt. - Assembled By ECS - BMW

Finally, a durable power steering pulley that won't break! Includes ECS Aluminum Power Steering Pulley, three retaining bolts, and Continental power steering belt. 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#:
2804221
Mfg#:
003042ECS01KT
Back Ordered
Auto Notify
ON SALE!
$119.72

This product was last offered at the strikethrough price on
06-23-2026

$113.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp, Worm Gear - Stainless Steel

ES#16314 - 07129952113 - Hose Clamp, Worm Gear - Stainless Steel - L28-L33 Size - heater hose, etc - Genuine BMW - BMW

L28-L33 Size - heater hose, etc affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16314
Mfg#:
07129952113
In Stock
18% off MSRP

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

$4.27

This product was last offered at the strikethrough price on
07-11-2026

$3.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#2526518 - 13327512019 - Fuel Filter - Protect your fuel system - Kayser - BMW

Protect your fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kayser - Corporate Logo
ES#:
2526518
Mfg#:
13327512019
In Stock
ON SALE!
$94.99

This product was last offered at the strikethrough price on
06-25-2026

$90.24 USD
Free Shipping

Upper Engine Timing Chain Tensioner

ES#4932396 - 11311738700 - Upper Engine Timing Chain Tensioner - Guide used to tension the timing chain - URO - BMW

Guide used to tension the timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4932396
Mfg#:
11311738700
In Stock
$40.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#21691 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Genuine BMW - BMW

Replacement is recommend with every belt service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21691
Mfg#:
11281748131
In Stock
ON SALE!
$78.99

This product was last offered at the strikethrough price on
06-25-2026

$75.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

Includes everything needed to replace heater coolant hard lines 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#:
5435247
Mfg#:
11531705210KT1
Ships on Nov 12, 2026
Auto Notify
$237.99

This product was last offered at the strikethrough price on
04-06-2026

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Accessory Belt - Alternator/Water Pump/Power Steering Belt

ES#2678566 - 11287636379 - Accessory Belt - Alternator/Water Pump/Power Steering Belt - Drives critical components - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2678566
Mfg#:
11287636379
Ships in 2 Business Days
9% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
07-11-2026

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Stem Locks - Priced Each

ES#22823 - 11341461405 - Valve Stem Locks - Priced Each - Used to hold your valve springs in place - Genuine BMW - BMW MINI

Used to hold your valve springs in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
22823
Mfg#:
11341461405
In Stock
$3.97 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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