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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Parts & Accessories

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Hydraulic Alternator Belt Tensioner Conversion Kit

ES#517967 - 11287838797 - Hydraulic Alternator Belt Tensioner Conversion Kit - Complete conversion kit for converting alternator tensioner over to the more reliable hydraulic tensioner design - Assembled By ECS - BMW

Complete conversion kit for converting alternator tensioner over to the more reliable hydraulic tensioner design 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#:
517967
Mfg#:
11287838797
In Stock
ON SALE!
$113.99

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

$110.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#205200 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Mahle-Behr - BMW

Common source of engine overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
205200
Mfg#:
11527505302
In Stock
$226.99

This product was last offered at the strikethrough price on
04-29-2026

$175.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt Service Kit

ES#2598809 - 11287512762KT1 - Accessory Drive Belt Service Kit - Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner - Assembled By ECS - BMW

Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2598809
Mfg#:
11287512762KT1
Back Ordered
Auto Notify
ON SALE!
$228.99

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

$222.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Valve Cover gasket Kit - M54

ES#2792770 - 11120030496KT2 - Ultimate Valve Cover gasket Kit - M54 - Includes valve cover gasket and sealing washers - Genuine BMW - BMW

Includes valve cover gasket and sealing washers 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#:
2792770
Mfg#:
11120030496KT2
In Stock
$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 325 Luft-Technik Intake System - Red Filter

ES#4699143 - 008694la12rKT - E46 325 Luft-Technik Intake System - Red Filter - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4699143
Mfg#:
008694LA12RKT
In Stock
ON SALE! SAVE 15%
$334.99

This product was last offered at the strikethrough price on
06-13-2026

$284.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Dual Vanos Rebuild Seal And Rattle Kit

ES#4493084 - RGDVNSSRK - Race German Dual Vanos Rebuild Seal And Rattle 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#:
4493084
Mfg#:
RGDVNSSRK
In Stock
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Upper

ES#4304688 - 17127510952 - E46 Radiator Hose - Upper - A common source of cooling system failure - Bremmen Parts - BMW
ECS Tuning recommends this product.

A common source of cooling system failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4304688
Mfg#:
17127510952
In Stock
ON SALE! SAVE 21%
$34.99

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

$27.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Puller Fan Assembly

ES#2814088 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Hamburg Tech - BMW

Cooling fan mounted behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814088
Mfg#:
17117561757
In Stock
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52

ES#4845637 - M5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE! SAVE 25%
$475.99

This product was last offered at the strikethrough price on
06-13-2026

$356.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#28635 - 12147518628 - Camshaft Position Sensor - Exhaust side - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
28635
Mfg#:
12147518628
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.

$166.83

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

$138.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motor And Transmission Mount Kit

ES#2588214 - 11811140985KT1 - Motor And Transmission Mount Kit - Includes mounting hardware - Assembled By ECS - BMW

Includes mounting hardware 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#:
2588214
Mfg#:
11811140985KT1
In Stock at Vendor
ON SALE!
$129.99

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

$120.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4069274 - 11537502525 - Water Pipe - Connects return hose to engine block - Rein - BMW

Connects return hose to engine block 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#:
4069274
Mfg#:
11537502525
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Priced Each

ES#27517 - 11812283798 - Engine Mount - Priced Each - Keep your engine securely mounted - Genuine BMW - BMW

Keep your engine securely mounted affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Harder durometer mount from the M3 for improved performance.

Brand:
Genuine BMW - Corporate Logo
ES#:
27517
Mfg#:
11812283798
Ships in 3 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.

$209.24

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

$189.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#3676576 - 13327512019 - Fuel Filter - Protect your fuel system - Hengst - BMW
ECS Tuning recommends this product.

Protect your fuel system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3676576
Mfg#:
13327512019
In Stock
$75.99 USD
Free Shipping
on orders $49 and up

Transmission Mount - Priced Each

ES#248797 - 22316771219 - Transmission Mount - Priced Each - Mounted at the rear of transmission on crossmember - Lemforder - BMW

Mounted at the rear of transmission on crossmember affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
248797
Mfg#:
22316771219
In Stock at Vendor
$14.99

This product was last offered at the strikethrough price on
07-05-2026

$11.99 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.

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