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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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Auxiliary Cooling Fan Assembly

ES#2709388 - 17117561757 - Auxiliary Cooling Fan Assembly - Cooling fan mounted behind the radiator - URO - BMW
ECS Tuning recommends this product.

Cooling fan mounted behind the radiator 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#:
2709388
Mfg#:
17117561757
In Stock
$217.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#4390746 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Bremmen Parts - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Superior performance for both warm and cold climates

Brand:
Bremmen Parts - Corporate Logo
ES#:
4390746
Mfg#:
11617533400S1
In Stock
ON SALE! SAVE 14%
$110.99

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

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

Coolant Expansion Tank

ES#38201 - 17117573781 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Genuine BMW - BMW

Does not include cap or coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38201
Mfg#:
17117573781
Ships in 1-3 days
$173.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Tec B FE Engine Oil (5W-30) - 1 Liter

ES#4220227 - 20442 - Special Tec B FE Engine Oil (5W-30) - 1 Liter - Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption - Liqui-Moly - BMW MINI

Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption 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!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4220227
Mfg#:
20442
In Stock
32% off MSRP

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

$17.95

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

$12.19 USD
Free Shipping
on orders $49 and up

Variable Engine Timing Solenoid Switch

ES#4039808 - 11361432532 - Variable Engine Timing Solenoid Switch - Actuates the function of engine timing to improve efficiency, horsepower, and torque. Also known as the VANOS solenoid. - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Actuates the function of engine timing to improve efficiency, horsepower, and torque. Also known as the VANOS solenoid. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Requires use of open-ended wrench for installation - does not fit BMW specific socket tool

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039808
Mfg#:
11361432532
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 20%
$93.99

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

$75.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2999055 - MMRAD-E46-323A - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission

Brand:
Mishimoto - Corporate Logo
ES#:
2999055
Mfg#:
MMRAD-E46-323A
In Stock
$539.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner

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

$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Ignition Coil - Priced Each

ES#4460623 - CTS-IGN-008 - High Performance Ignition Coil - Priced Each - A great replacement or upgrade to keep your engine running at its peak performance - CTS - BMW MINI

A great replacement or upgrade to keep your engine running at its peak performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/2002

Brand:
CTS - Corporate Logo
ES#:
4460623
Mfg#:
CTS-IGN-008
Ships in 7 Business Days
$27.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#34326 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Genuine BMW - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34326
Mfg#:
13621433076
In Stock
16% off MSRP

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

$66.05

This product was last offered at the strikethrough price on
01-08-2026

$55.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dual Valve Spring Upgrade Kit

ES#4758782 - SPRKH1000DBMST - Dual Valve Spring Upgrade Kit - Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers - Supertech - BMW

Eliminate valve-float at high RPMs - 80lbs Seat Pressure at 35.70mm - Featuring steel retainers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4758782
Mfg#:
SPRKH1000DBMST
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.

$1042.99

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

$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw Cap & Schwaben Removal Tool Kit

ES#3184755 - 16116762417KT - Screw Cap & Schwaben Removal Tool Kit - Repair and replace the fuel ring, do it correctly with this tool - Assembled By ECS - BMW MINI

Repair and replace the fuel ring, do it correctly with this tool 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#:
3184755
Mfg#:
16116762417KT
In Stock
ON SALE! SAVE 15%
$106.99

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

$90.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front or Rear Manifold

ES#261733 - 11787523434 - Oxygen Sensor - Front or Rear Manifold - Located in the front position of the exhaust manifold - Bosch - BMW

Located in the front position of the exhaust manifold 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!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261733
Mfg#:
11787523434
In Stock
Limited Qty Sale
$210.65

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Ventilation Valve Kit

ES#4782756 - 11617533400S1 - "Cold Climate" Crankcase Ventilation Valve Kit - Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! - Febi - BMW

Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! 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:
Febi - Corporate Logo
ES#:
4782756
Mfg#:
11617533400S1
In Stock at Vendor
$238.99

This product was last offered at the strikethrough price on
04-14-2026

$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oil Change Kit / Inspection I

ES#10355 - m50OCI - Genuine BMW Oil Change Kit / Inspection I - Everything you'll need to do a basic oil change - featuring a Hengst oil filter and new drain plug - Assembled By ECS - BMW

Everything you'll need to do a basic oil change - featuring a Hengst oil filter and new drain plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Assembled By ECS - Corporate Logo
ES#:
10355
Mfg#:
M50OCI
In Stock
ON SALE!
$115.94 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear Crankshaft Cover - With Seal

ES#19237 - 11141438274 - Rear Crankshaft Cover - With Seal - Includes seal and mounting hardware - Genuine BMW - BMW

Includes seal and mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19237
Mfg#:
11141438274
In Stock
4% off MSRP

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

$167.00

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

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter Motor Replacement Kit

ES#4147680 - 12412354693bKT - Starter Motor Replacement Kit - Includes starter with no core charge, intake gaskets, and hardware. - Assembled By ECS - BMW

Includes starter with no core charge, intake gaskets, and 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#:
4147680
Mfg#:
12412354693BKT
In Stock
$269.99

This product was last offered at the strikethrough price on
03-16-2026

$230.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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