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BMW E46 325Ci M54 2.5L

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BMW E46 325Ci M54 2.5L Engine Parts & Accessories

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Hydraulic Alternator Belt Tensioner Assembly

ES#3129598 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - URO - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/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#:
3129598
Mfg#:
11287838797
In Stock
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#2570298 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Delphi - BMW

Does not include O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Delphi - Corporate Logo
ES#:
2570298
Mfg#:
12141709616
In Stock at Vendor
$97.99

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

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket With Heat Shield - Priced Each

ES#2952051 - 11621732969 - Exhaust Manifold Gasket With Heat Shield - Priced Each - 2 required per vehicle - Elring - BMW

2 required per vehicle 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:
Elring - Corporate Logo
ES#:
2952051
Mfg#:
11621732969
In Stock
$42.99

This product was last offered at the strikethrough price on
03-26-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Refresh Kit

ES#2763229 - 1136143253KT - VANOS Refresh Kit - Includes necessary parts to get your VANOS system sealed up and working again - Assembled By ECS - BMW

Includes necessary parts to get your VANOS system sealed up and working again 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#:
2763229
Mfg#:
1136143253KT
Ships in 1-2 days
ON SALE! SAVE 19%
$162.99

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

$132.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Solid Rubber Engine And Trans Mount Set

ES#3647385 - 034-509-3646 - 034Motorsport Solid Rubber Engine And Trans Mount Set - Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts. - 034Motorsport - BMW

Increase performance and durability without sacrificing comfort. True rubber mounts - a positive upgrade over cushy, factory-installed fluid-filled mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3647385
Mfg#:
034-509-3646
In Stock
$276.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Cooling System Hose Kit

ES#4315899 - 11531436408KT2 - Complete Cooling System Hose Kit - A complete hose kit including coolant and ECS Silicone radiator hoses! - Assembled By ECS - BMW

A complete hose kit including coolant and ECS Silicone radiator hoses! 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#:
4315899
Mfg#:
11531436408KT2
Ships on Aug 19, 2026
Auto Notify
ON SALE! SAVE 24%
$428.99

This product was last offered at the strikethrough price on
01-03-2026

$325.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Liqui Moly Longtime High Tech Oil Change Kit / Inspection I

ES#3424123 - m50OCIlm - Liqui Moly Longtime High Tech Oil Change Kit / Inspection I - Everything you need for a comprehensive oil service, including Liqui Moly oil and Hengst filter - Assembled By ECS - BMW

Everything you need for a comprehensive oil service, including Liqui Moly oil and Hengst filter 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#:
3424123
Mfg#:
M50OCILM
In Stock
ON SALE!
$104.99

This product was last offered at the strikethrough price on
03-09-2026

$103.10 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Intake Air Adjustment Unit/DISA Valve

ES#2580544 - 11617544805 - Intake Air Adjustment Unit/DISA Valve - Having idle problems and low RPM hesitation? Located on the intake manifold. - Vaico - BMW

Having idle problems and low RPM hesitation? Located on the intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2580544
Mfg#:
11617544805
In Stock at Vendor
$327.99

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

$318.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Euro-Series Engine Oil (5w-40) - 1 Quart

ES#2847841 - 12404 - Euro-Series Engine Oil (5w-40) - 1 Quart - Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology - Redline - Audi BMW Volkswagen

Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2847841
Mfg#:
12404
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

Upgraded Valve Stem Seal Kit

ES#4346287 - vs-vbm6-6cylKT - Upgraded Valve Stem Seal Kit - Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals! - Supertech - BMW

Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4346287
Mfg#:
VS-VBM6-6CYLKT
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SCORCHER High-Performance Ignition Coil - Set Of 6

ES#5396075 - 77-92013-MC - SCORCHER High-Performance Ignition Coil - Set Of 6 - SCORCHER High-Performance Ignition Coils produce a high energy spark that ensures complete combustion from idle to redline - AFE - BMW

SCORCHER High-Performance Ignition Coils produce a high energy spark that ensures complete combustion from idle to redline affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/2002

Brand:
AFE - Corporate Logo
ES#:
5396075
Mfg#:
77-92013-MC
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.

$327.99

This product was last offered at the strikethrough price on
06-27-2026

$262.00 USD
Free Shipping
on orders $49 and up

Idle Control Valve

ES#4781516 - 13411744713 - Idle Control Valve - An integral part of the air intake system - URO - BMW

An integral part of the air intake system 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#:
4781516
Mfg#:
13411744713
In Stock
$104.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#4304678 - 17111436251 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Bavarian Autosport - BMW

Mounts to the side of the radiator for retaining the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with an automatic transmission only

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304678
Mfg#:
17111436251
In Stock
ON SALE! SAVE 20%
$45.99

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

$36.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#2162740 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Ina - BMW
ECS Tuning recommends this product.

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 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#:
2162740
Mfg#:
11281427252
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#2771022 - 13901433603 - Fuel Tank Breather Valve - Valve between charcoal canister and throttle body - Vemo - BMW
ECS Tuning recommends this product.

Valve between charcoal canister and throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2771022
Mfg#:
13901433603
In Stock at Vendor
$156.99

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

$152.99 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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