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BMW E46 Engine Parts & Accessories

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Coolant Expansion Tank

ES#4338777 - 17137787039 - Coolant Expansion Tank - Includes coolant level sensor and lower securing clamp - Bavarian Autosport - BMW

Includes coolant level sensor and lower securing clamp 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338777
Mfg#:
17137787039
In Stock
ON SALE! SAVE 18%
$61.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#3691755 - 13627567451 - Mass Air Flow Sensor (MAF) - Controls the air / fuel mixture of the engine. - Hella - BMW
ECS Tuning recommends this product.

Controls the air / fuel mixture of the engine. For vehicles with production date up to 09/2002

Brand:
Hella - Corporate Logo
ES#:
3691755
Mfg#:
13627567451
In Stock
$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545367 - 3709 - Radiator - Standard replacement radiator - CSF - BMW

Standard replacement radiator 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic transmission only

Brand:
CSF - Corporate Logo
ES#:
3545367
Mfg#:
3709
In Stock
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Castrol Edge Euro Car Engine Oil (10w-60) - 1 Quart

ES#2580488 - 07510009420 - Castrol Edge Euro Car Engine Oil (10w-60) - 1 Quart - Specific Castrol oil designed for your "M" engine - Castrol - BMW

Specific Castrol oil designed for your "M" engine Not to be confused with inferior Castrol Edge Sport!

Brand:
Castrol - Corporate Logo
ES#:
2580488
Mfg#:
07510009420
In Stock
$19.99 USD
Free Shipping
on orders $49 and up

Intake Air Adjustment Unit/DISA Valve

ES#4338768 - 11617544806 - Intake Air Adjustment Unit/DISA Valve - Having idle problems and low RPM hesitation? Located on the intake manifold. - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Having idle problems and low RPM hesitation? Located on the intake manifold. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338768
Mfg#:
11617544806
In Stock
ON SALE! SAVE 20%
$156.99

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

$125.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M54 Late Model High-Performance Ignition Service Kit

ES#4690388 - 12131712219TKT1 - M54 Late Model High-Performance Ignition Service Kit - Everything needed for a performance ignition service including spark plugs and Turner ignition coils! - Turner Motorsport - BMW

Everything needed for a performance ignition service including spark plugs and Turner ignition coils! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 10/2002

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690388
Mfg#:
12131712219TKT1
In Stock
ON SALE! SAVE 13%
$267.77

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

$232.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Puller Fan Assembly

ES#4818569 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Bremmen Parts - BMW

Cooling fan mounted behind the radiator 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818569
Mfg#:
17117561757
Ships on Oct 13, 2026
ON SALE! SAVE 13%
$194.99

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

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

ES#2176243 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - Continental - BMW

Located in the fuel tank-includes fuel level sending unit We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2176243
Mfg#:
16146766942
Ships in 1 Business Day
$198.99

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

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ECS M52/M54/S52 Exact-Fit Stainless Steel Vanos Line

ES#4362427 - 000932LA01-01 - ECS M52/M54/S52 Exact-Fit Stainless Steel Vanos Line - Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective stainless steel line! - ECS - BMW
ECS Tuning recommends this product.

Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective stainless steel line! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4362427
Mfg#:
000932LA01-01
In Stock
ON SALE! SAVE 10%
$87.99

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

$79.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Starter

ES#2724218 - 12417835735 - New Starter - Brand new unit with no core charge. - Valeo - BMW

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2724218
Mfg#:
12417835735
Ships in 1 Business Day
$400.99

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

$389.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen Oil Change Kit / Inspection I

ES#3448029 - m50OCIlmgKT - Liqui Moly MolyGen Oil Change Kit / Inspection I - Includes Hengst filter, drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - BMW

Includes Hengst filter, drain plug, and Liqui Moly oil with MolyGen technology 10X Entries Into Our F80 M3 Sweepstakes
Next generation synthetic oil with up to 15% lower coefficient of friction. Glows green under UV light fo

Brand:
Assembled By ECS - Corporate Logo
ES#:
3448029
Mfg#:
M50OCILMGKT
In Stock
ON SALE! SAVE 11%
$110.99

This product was last offered at the strikethrough price on
08-31-2026

$98.92 USD
Free Shipping
This product is lifetime replacement eligible Partial 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
Ships in 1-2 days
ON SALE!
$336.99

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

$324.39 USD
Free Shipping
This product is lifetime replacement eligible Partial 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 in 6 Business Days
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.

Let us help you find the parts that fit your BMW

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

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