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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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Polyurethane Transmission mount Set - Street/Track

ES#2718367 - 002705ECS01 - Polyurethane Transmission mount Set - Street/Track - 80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. - ECS - BMW

80A durometer rating - perfect for aggressive enthusiast driving. Constructed of 304 stainless steel with bonded and constrained polyurethane. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2718367
Mfg#:
002705ECS01
Ships on Nov 13, 2026
ON SALE! SAVE 15%
$115.99

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

$98.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#240368 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 required in each application We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240368
Mfg#:
11781742050
In Stock
$96.10

This product was last offered at the strikethrough price on
05-29-2026

$90.99 USD
Free Shipping
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

Brand:
Supertech - Corporate Logo
ES#:
4758782
Mfg#:
SPRKH1000DBMST
In Stock at Vendor
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
10-11-2026

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

ECS Cooling System Refresh Kit - Level 1

ES#263518 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
263518
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$336.99

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

$325.53 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Intake Manifold Gasket Set

ES#2608158 - 11611436631 - Intake Manifold Gasket Set - Contains both gaskets needed - Elring - BMW
ECS Tuning recommends this product.

Contains both gaskets needed 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2608158
Mfg#:
11611436631
In Stock
$32.99

This product was last offered at the strikethrough price on
08-03-2026

$32.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAC Harmonic SuperDamper By ATI - M52/S52/M52TU/M54

ES#4780772 - VAC-HPCD-M50 - VAC Harmonic SuperDamper By ATI - M52/S52/M52TU/M54 - Isolate harmonics before they can destroy your engine - VAC Motorsports - BMW

Isolate harmonics before they can destroy your engine

Brand:
VAC Motorsports - Corporate Logo
ES#:
4780772
Mfg#:
VAC-HPCD-M50
Ships in 7 Business Days
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Dec 24, 2026
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (12x1.5)

ES#251840 - 002201ECS02A - Magnetic Oil Drain Plug - Priced Each (12x1.5) - Featuring 10 copper washers - ECS - BMW MINI

Featuring 10 copper washers 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
251840
Mfg#:
002201ECS02A
In Stock
ON SALE! SAVE 25%
$39.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner E46 Silicone Intake Boot - E46 M54 2.5 - Black

ES#3618459 - 001687TMS01-02 - Turner E46 Silicone Intake Boot - E46 M54 2.5 - Black - Improved Air Flow and Durability! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Improved Air Flow and Durability! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3618459
Mfg#:
001687TMS01-02
In Stock
ON SALE! SAVE 25%
$171.99

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

$128.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Platinum+4 Spark Plug - Priced Each (FGR7DQP)

ES#240577 - FGR7DQP - Platinum+4 Spark Plug - Priced Each (FGR7DQP) - FGR 7 DQP or 12120037607 - Bosch - Audi BMW

FGR 7 DQP or 12120037607 We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240577
Mfg#:
FGR7DQP
In Stock
$9.89 USD
Free Shipping
on orders $49 and up
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! 10X Entries Into Our F80 M3 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

Performance Ignition Service Kit

ES#3677671 - 12131712219pkt - Performance Ignition Service Kit - Everything you need to service your ignition system including spark plugs and Bav Auto ignition coils - Assembled By ECS - BMW

Everything you need to service your ignition system including spark plugs and Bav Auto ignition coils 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 10/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677671
Mfg#:
12131712219PKT
In Stock
ON SALE! SAVE 25%
$243.35

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

$182.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Lifter - Priced Each

ES#205062 - 11321748884 - Hydraulic Lifter - Priced Each - Also commonly called cam follower - Ina - BMW
ECS Tuning recommends this product.

Also commonly called cam follower We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
205062
Mfg#:
11321748884
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - AL0703N - 120A

ES#3647573 - 12317501690 - New Alternator - AL0703N - 120A - Brand New Alternator, Not a reman! - Bosch - BMW

Brand New Alternator, Not a reman! We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3647573
Mfg#:
12317501690
In Stock
$415.99 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

Brand:
Genuine BMW - Corporate Logo
ES#:
38201
Mfg#:
17117573781
In Stock
$173.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 325/330 Mid Section & Integrated X-Pipe

ES#4661006 - 023522la02KT - E46 325/330 Mid Section & Integrated X-Pipe - Drop 10 lbs and replace your midpipes/resonator for a free flowing X-Pipe to get a smoother sound and decreased back pressure! - Turner Motorsport - BMW

Drop 10 lbs and replace your midpipes/resonator for a free flowing X-Pipe to get a smoother sound and decreased back pressure! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
Does not fit convertible models.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4661006
Mfg#:
023522LA02KT
Ships on Oct 27, 2026
ON SALE! SAVE 15%
$616.99

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

$527.06 USD
Free Shipping
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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