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

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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! 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#:
4315901
Mfg#:
ECSE461711-3KT
In Stock at Vendor
ON SALE!
$764.99

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

$750.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3086092 - 12131712219T8KT - Ignition Coil - Set of 8 - Bosch - BMW

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:
Bosch - Corporate Logo
ES#:
3086092
Mfg#:
12131712219T8KT
In Stock
$247.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3023828 - 12131748018 - Ignition Coil - Priced Each - Get your engine working flawlessly with these new ignition coils - Bosch - BMW

Get your engine working flawlessly with these new ignition coils 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 up to 09/2002

Brand:
Bosch - Corporate Logo
ES#:
3023828
Mfg#:
12131748018
In Stock at Vendor
$63.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#10358 - E46IN2ENlV - Inspection II Service Kit - Includes all parts required to perform your Inspection II service. - Assembled By ECS - BMW

Includes all parts required to perform your Inspection II service. 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#:
10358
Mfg#:
E46IN2ENLV
In Stock
ON SALE!
$366.76 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4772596 - 12527519996 - 3 Pin Connector  - Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772596
Mfg#:
12527519996
In Stock
ON SALE! SAVE 25%
$10.99

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

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4336973 - CTA3235 - Spark Plug Gapper - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336973
Mfg#:
CTA3235
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3978987 - CARRY-POUCH - OBDeleven Carry Pouch - Safely holds your OBDeleven device when not in use. - OBDeleven - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Safely holds your OBDeleven device when not in use. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OBDeleven - Corporate Logo
ES#:
3978987
Mfg#:
CARRY-POUCH
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2592861
Mfg#:
11311432176KT2
Back Ordered
$725.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
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 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#:
2597315
Mfg#:
12131712219KT
In Stock
$723.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3676616 - 13721744869 - Air Filter - Protect your engine and let it breathe - Hengst - BMW
ECS Tuning recommends this product.

Protect your engine and let it breathe 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#:
3676616
Mfg#:
13721744869
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2633581 - 13721730449 - Air Filter  - Protect your engine - improve performance - Genuine BMW - BMW

Protect your engine - improve performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2633581
Mfg#:
13721730449
In Stock
5% off MSRP

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

$55.99

This product was last offered at the strikethrough price on
07-03-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2575992 - 00004330316KT - Mobil 1 Engine Oil (0w-40) - 1 Quart - Full synthetic API SN oil approved by most Euro OEM's including VW/Audi 502.00/505.00, Porsche A40, and MB 229.3/229.5. - Mobil1 - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Full synthetic API SN oil approved by most Euro OEM's including VW/Audi 502.00/505.00, Porsche A40, and MB 229.3/229.5. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mobil1 - Corporate Logo
ES#:
2575992
Mfg#:
00004330316KT
In Stock
$12.19 USD
Free Shipping
on orders $49 and up
ES#4352360 - 12131703228IGKT7 - Ignition Service Kit - With Service Tools  - Everything you need to service your ignition system - Assembled By ECS - BMW

Everything you need to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Kit includes all necessary service tools
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
4352360
Mfg#:
12131703228IGKT7
In Stock
$379.99

This product was last offered at the strikethrough price on
02-27-2026

$312.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#10306 - 33-2231 - Performance Air Filter - Restore fuel mileage and performance - K&N - BMW

Restore fuel mileage and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
10306
Mfg#:
33-2231
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261729 - 11787514926 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear 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#:
261729
Mfg#:
11787514926
In Stock at Vendor
$157.99

This product was last offered at the strikethrough price on
04-09-2026

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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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