Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E46 325Ci M54 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle BMW E46 325Ci M54 2.5L
Your Vehicle BMW E46 325Ci M54 2.5L
Change Clear

BMW E46 325Ci M54 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

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

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 25%
$7.99

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Engine Wiring Harness

ES#30926 - 12517528594 - E46 Engine Wiring Harness - Complete engine wiring harness - Genuine BMW - BMW

Complete engine wiring harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30926
Mfg#:
12517528594
Ships in 9 Business Days
3% off MSRP

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

$517.99

This product was last offered at the strikethrough price on
06-28-2026

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Tank Breather Valve

ES#3699049 - 13901433603 - Fuel Tank Breather Valve - Valve between charcoal canister and throttle body - URO - BMW

Valve between charcoal canister and throttle body 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#:
3699049
Mfg#:
13901433603
Ships in 1 Business Day
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#4338782 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. - Bavarian Autosport - BMW

Runs from the top of the oil separator up to intake manifold. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338782
Mfg#:
11617504535
In Stock
ON SALE! SAVE 20%
$24.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2602267 - 07119915017KT1 - Fuel Injector Installation Kit - Everything you need to install new fuel injectors, including fuel rail bolts. - Assembled By ECS - BMW

Everything you need to install new fuel injectors, including fuel rail bolts. 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#:
2602267
Mfg#:
07119915017KT1
In Stock
ON SALE! SAVE 15%
$58.99

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

$49.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW M54 Upgrade Head Stud Set - Burnished

ES#4883292 - P102031410 - BMW M54 Upgrade Head Stud Set - Burnished - Wagner Tuning offers these to support big power gains and keep your M54 engine running well. - Wagner Tuning - BMW

Wagner Tuning offers these to support big power gains and keep your M54 engine running well. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4883292
Mfg#:
P102031410
Ships in 1 Business Day
$499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt

ES#14585 - 07119904529 - Hex Bolt - M10x55 - Genuine BMW - BMW

M10x55 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
14585
Mfg#:
07119904529
In Stock
$10.45

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

$9.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Air line

ES#35941 - 16111184135 - E46 Air line - Air Line with the dreaded L-shaped connector that can have a tendency to snap - Genuine BMW - BMW

Air Line with the dreaded L-shaped connector that can have a tendency to snap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
35941
Mfg#:
16111184135
Ships in 3 Business Days
4% off MSRP

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

$128.99

This product was last offered at the strikethrough price on
06-28-2026

$123.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Installation Kit

ES#1306773 - 11120141055 - Cylinder Head Installation Kit - Includes head gasket - Victor Reinz - BMW
ECS Tuning recommends this product.

Includes head gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/2002

Brand:
Victor Reinz - Corporate Logo
ES#:
1306773
Mfg#:
11120141055
In Stock at Vendor
$707.79

This product was last offered at the strikethrough price on
04-08-2026

$495.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Lifter - Priced Each

ES#22497 - 11321748884 - Hydraulic Lifter - Priced Each - Also commonly called cam follower - Genuine BMW - BMW

Also commonly called cam follower affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
22497
Mfg#:
11321748884
Ships in 3 Business Days
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Air Adjustment Unit/DISA Valve

ES#3499734 - 11617544806 - Intake Air Adjustment Unit/DISA Valve - Having idle problems and low RPM hesitation? Located next to the intake manifold. - Rein - BMW

Having idle problems and low RPM hesitation? Located next to the intake 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!

Brand:
Rein - Corporate Logo
ES#:
3499734
Mfg#:
11617544806
Ships in 3 Business Days
$246.99 USD
Free Shipping

E46 Fuel Level Sensor

ES#36214 - 16116768788 - E46 Fuel Level Sensor - Sensor: measures fuel tank level - Genuine BMW - BMW

Sensor: measures fuel tank level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
36214
Mfg#:
16116768788
In Stock at Vendor
$638.99

This product was last offered at the strikethrough price on
02-01-2026

$491.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Dipstick

ES#24167 - 11431436293 - Engine Oil Dipstick - Used to measure oil level - Genuine BMW - BMW

Used to measure oil level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24167
Mfg#:
11431436293
In Stock
7% 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
06-28-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Upper

ES#4070339 - 11311432177S1 - Timing Chain - Upper - Replacement timing chain for required maintenance - Iwis - BMW

Replacement timing chain for required maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Iwis - Corporate Logo
ES#:
4070339
Mfg#:
11311432177S1
In Stock
$41.76

This product was last offered at the strikethrough price on
05-09-2026

$40.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Manifold

ES#27247 - 11787523434 - Oxygen Sensor - Front Manifold - Located in the front position of the exhaust manifold - Genuine BMW - BMW

Located in the front position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27247
Mfg#:
11787523434
Ships in 3 Business Days
7% off MSRP

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

$524.99

This product was last offered at the strikethrough price on
06-28-2026

$489.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#27248 - 11787523435 - Oxygen Sensor - Rear Manifold - Located in the front position of the exhaust manifold - Genuine BMW - BMW

Located in the front position of the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/2003

Brand:
Genuine BMW - Corporate Logo
ES#:
27248
Mfg#:
11787523435
Ships in 3 Business Days
7% off MSRP

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

$524.99

This product was last offered at the strikethrough price on
06-28-2026

$489.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings