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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Service & Maintenance Parts

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"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#4783145 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Hamburg Tech - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Hamburg Tech - Corporate Logo
ES#:
4783145
Mfg#:
11617533400S1
In Stock
Limited Qty Sale
$110.95

This product was last offered at the strikethrough price on
09-23-2026

$95.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27153 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application For vehicles with production date up to 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
Ships in 1-2 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.

$404.99

This product was last offered at the strikethrough price on
10-02-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27124 - 11781247406 - Oxygen Sensor - Priced Each - 2 required in each application - Genuine BMW - BMW

2 required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27124
Mfg#:
11781247406
Ships in 1-2 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.

$404.99

This product was last offered at the strikethrough price on
10-02-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Filter

ES#10306 - 33-2231 - Performance Air Filter - Restore fuel mileage and performance - K&N - BMW

Restore fuel mileage and performance

Brand:
K&N - Corporate Logo
ES#:
10306
Mfg#:
33-2231
Ships in 4 Business Days
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#2592861 - 11311432176KT2 - Timing Chain Kit - Everything needed to get the job done using genuine BMW components. Includes coolant, oil and a filter - Genuine BMW - BMW

Everything needed to get the job done using genuine BMW components. Includes coolant, oil and a filter For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2592861
Mfg#:
11311432176KT2
Back Ordered
$754.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

CATACLEAN - The Original Science

ES#4147385 - 120007 - CATACLEAN - The Original Science - Patented & EPA approved Complete Engine, Fuel and Exhaust System Cleaner Reduces Emissions and Improves Overall Engine Performance! - CATACLEAN - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Patented & EPA approved Complete Engine, Fuel and Exhaust System Cleaner Reduces Emissions and Improves Overall Engine Performance!

Brand:
CATACLEAN - Corporate Logo
ES#:
4147385
Mfg#:
120007
In Stock
12% off MSRP

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

$32.99

This product was last offered at the strikethrough price on
10-02-2026

$28.99 USD
Free Shipping

ECS Performance Cooling System Refresh Kit - Level 1

ES#4315901 - ECSE461711-3KT - ECS Performance Cooling System Refresh Kit - Level 1 - Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! - Assembled By ECS - BMW

Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315901
Mfg#:
ECSE461711-3KT
Ships in 3 Business Days
ON SALE!
$764.99

This product was last offered at the strikethrough price on
06-15-2026

$751.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Separator Kit - Level 1

ES#260025 - e46m5411_61 - Oil Separator Kit - Level 1 - The most commonly replaced components in your breather system - Assembled By ECS - BMW

The most commonly replaced components in your breather system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
260025
Mfg#:
E46M5411_61
In Stock
ON SALE! SAVE 24%
$123.99

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

$93.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Fill Funnel

ES#3673888 - B8800032 - Oil Fill Funnel - Installs directly in place of the oil filler cap to ensure a leak free oil pour - Bav Auto Tools - BMW MINI
ECS Tuning recommends this product.

Installs directly in place of the oil filler cap to ensure a leak free oil pour 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673888
Mfg#:
B8800032
In Stock
ON SALE! SAVE 25%
$37.99

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

$28.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap Socket - 36mm

ES#4336860 - CTA2574 - Oil Cap Socket - 36mm - Remove housings with cartridge-type oil & fuel filters. - CTA Tools - Audi BMW Volkswagen MINI Porsche

Remove housings with cartridge-type oil & fuel filters.

Brand:
CTA Tools - Corporate Logo
ES#:
4336860
Mfg#:
CTA2574
In Stock
$10.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2597315 - 12131712219KT - Ignition Service Kit - Everything you need to service your ignition system - Genuine BMW - BMW

Everything you need to service your ignition system For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2597315
Mfg#:
12131712219KT
Ships in 1-2 days
$723.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

OBDeleven Phone Holder - New Design

ES#4940035 - PH0NE-HOLDER-NEW - OBDeleven Phone Holder - New Design - Mounts to nearly any type of vent to allow for a safer viewing angle of your phone. - OBDeleven - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Mounts to nearly any type of vent to allow for a safer viewing angle of your phone.

Brand:
OBDeleven - Corporate Logo
ES#:
4940035
Mfg#:
PH0NE-HOLDER-NEW
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10"x12" Shop Towels - Box of 200

ES#2944007 - KIM75190 - 10"x12" Shop Towels - Box of 200 - Center-pull box, 200 sheets per box of multi-purpose shop towels - Kimberly Clark - Audi BMW Volkswagen MINI Porsche

Center-pull box, 200 sheets per box of multi-purpose shop towels

Brand:
Kimberly Clark - Corporate Logo
ES#:
2944007
Mfg#:
KIM75190
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oil Change Kit / Inspection I

ES#263047 - M50OCI - Genuine BMW Oil Change Kit / Inspection I - Upgraded to included a ECS magnetic drain plug - featuring a Hengst oil filter - Assembled By ECS - BMW

Upgraded to included a ECS magnetic drain plug - featuring a Hengst oil filter 10X Entries Into Our F80 M3 Sweepstakes
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Assembled By ECS - Corporate Logo
ES#:
263047
Mfg#:
M50OCI
In Stock
ON SALE!
$168.21 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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

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