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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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Expansion Tank Mounting Plate

ES#3504759 - 17111436251 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Rein - BMW

Mounts to the side of the radiator for retaining the expansion tank 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 automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
3504759
Mfg#:
17111436251
Ships in 1 Business Day
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Terminal Base

ES#165909 - 61138387540 - Positive Terminal Base - Located in the engine bay of the vehicle - Genuine BMW - BMW

Located in the engine bay of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
165909
Mfg#:
61138387540
Ships in 2 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#25060 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Genuine BMW - BMW

From water pump to expansion tank hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25060
Mfg#:
11537502000
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.

$60.99

This product was last offered at the strikethrough price on
04-05-2026

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#4365289 - 13629899008 - Air Temperature Sensor - Monitors intake air temperature - Genuine BMW - BMW

Monitors intake air temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4365289
Mfg#:
13629899008
Ships in 2 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Cover Gasket Set - M52TU M54

ES#4392764 - 11141707260 - Lower Timing Cover Gasket Set - M52TU M54 - Seals lower timing cover to the engine block - includes both the left and right side gaskets - Elring - BMW

Seals lower timing cover to the engine block - includes both the left and right side gaskets 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#:
4392764
Mfg#:
11141707260
In Stock
$12.99

This product was last offered at the strikethrough price on
03-17-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Knock Sensor

ES#34436 - 13627568422 - Knock Sensor - Detects engine ping and changes timing accordingly - Genuine BMW - BMW

Detects engine ping and changes timing accordingly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34436
Mfg#:
13627568422
Ships in 5 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.

$173.99

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

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Spring Retainer - Priced Each

ES#22811 - 11341432453 - Valve Spring Retainer - Priced Each - Located at the top of your valve spring - Genuine BMW - BMW

Located at the top of your valve spring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
22811
Mfg#:
11341432453
Ships in 5 Business Days
$16.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Pipe

ES#25712 - 11617504536 - Return Pipe - Runs from the intake manifold back to connecting hose - Genuine BMW - BMW

Runs from the intake manifold back to connecting hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25712
Mfg#:
11617504536
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.

$43.99

This product was last offered at the strikethrough price on
03-04-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW E30 / E36 / E46 Offset Lower Radiator Mounts

ES#4845983 - PFF5-4652H - BMW E30 / E36 / E46 Offset Lower Radiator Mounts - These mounts help secure the radiator, while their offset design offers more flexibility in fitting upgraded or custom radiators, enhancing overall cooling system performance. - Powerflex - BMW

These mounts help secure the radiator, while their offset design offers more flexibility in fitting upgraded or custom radiators, enhancing overall cooling system performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
4845983
Mfg#:
PFF5-4652H
In Stock
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#253026 - 17117573781 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Meyle - BMW
ECS Tuning recommends this product.

Does not include cap or coolant level sensor 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:
Meyle - Corporate Logo
ES#:
253026
Mfg#:
17117573781
In Stock
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring for Camshaft Position Sensor (17 X 3 mm)

ES#2828422 - 12141748398 - O-Ring for Camshaft Position Sensor (17 X 3 mm) - Always replace the o-ring when replacing sensor - URO - BMW

Always replace the o-ring when replacing sensor 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#:
2828422
Mfg#:
12141748398
In Stock
$1.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Set Of 24

ES#4716124 - KPR-6S-7-24 - 6mm Single Groove Valve Keeper - Set Of 24 - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4716124
Mfg#:
KPR-6S-7-24
In Stock
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump Kit - Level 1

ES#2622539 - 11727553056KT3 - Secondary Air Pump Kit - Level 1 - This essential kit includes the secondary air pump, control valve, hoses and hardware to mount pump and valve. - Assembled By ECS - BMW

This essential kit includes the secondary air pump, control valve, hoses and hardware to mount pump and valve. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 03/2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
2622539
Mfg#:
11727553056KT3
Ships in 2 Business Days
$473.99

This product was last offered at the strikethrough price on
06-05-2026

$466.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2063861 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and GEBA Water Pump - Assembled By ECS - BMW

A more advanced refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and GEBA Water Pump 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#:
2063861
Mfg#:
ECSE461711-2
Ships on Aug 24, 2026
Auto Notify
ON SALE!
$502.99

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

$462.69 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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

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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