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BMW E46 Engine Parts & Accessories

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ES#261733 - 11787523434 - Oxygen Sensor - Front or Rear Manifold - Located in the front position of the exhaust manifold - Bosch - BMW

Located in the front 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#:
261733
Mfg#:
11787523434
In Stock
Limited Qty Sale
$210.65

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

$170.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147680 - 12412354693bKT - Starter Motor Replacement Kit  - Includes starter with no core charge, intake gaskets, and hardware. - Assembled By ECS - BMW

Includes starter with no core charge, intake gaskets, and hardware. 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#:
4147680
Mfg#:
12412354693BKT
In Stock
$269.99

This product was last offered at the strikethrough price on
03-16-2026

$230.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#519356 - 54-10462 - E46 M3 Magnum FORCE Pro 5R Stage 2 Air Intake System - Excellent sound & power - the ultimate performance intake! +12hp & +11lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +12hp & +11lb/ft! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
519356
Mfg#:
54-10462
EO#:
D-550-38
In Stock
20% off MSRP

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

$598.99

This product was last offered at the strikethrough price on
01-28-2026

$479.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2725419 - VFK29-02 - VF Engineering Supercharger Kit (285hp & 231 Ft-Lbs Torque) - Complete bolt on kit. The very best way to get big, everyday reliable horsepower - VF Engineering - BMW

Complete bolt on kit. The very best way to get big, everyday reliable horsepower affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 03/2003

Brand:
VF Engineering - Corporate Logo
ES#:
2725419
Mfg#:
VFK29-02
In Stock
$5694.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#10355 - m50OCI - Genuine BMW Oil Change Kit / Inspection I - Everything you'll need to do a basic oil change - featuring a Hengst oil filter and new drain plug - Assembled By ECS - BMW

Everything you'll need to do a basic oil change - featuring a Hengst oil filter and new drain plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Assembled By ECS - Corporate Logo
ES#:
10355
Mfg#:
M50OCI
In Stock
ON SALE!
$115.94 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4877251 - 11537509227PRM - Thermostat Assembly With Aluminum Housing - Aluminum Housing vs OEM Plastic - includes Thermostat & Gasket - URO Premium - BMW

Aluminum Housing vs OEM Plastic - includes Thermostat & Gasket 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 Premium - Corporate Logo
ES#:
4877251
Mfg#:
11537509227PRM
In Stock
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3432212 - 7M1532H-STD - High Performance Main Bearing Set - Standard  - Includes upper and lower bearing shells for a complete main bearing replacement. - ACL - BMW

Includes upper and lower bearing shells for a complete main bearing replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
3432212
Mfg#:
7M1532H-STD
In Stock
$282.99 USD
Free Shipping
ES#19237 - 11141438274 - Rear Crankshaft Cover - With Seal - Includes seal and mounting hardware - Genuine BMW - BMW

Includes seal and mounting hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19237
Mfg#:
11141438274
In Stock
4% off MSRP

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

$167.00

This product was last offered at the strikethrough price on
06-26-2026

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1844201 - 201-6102 - Connecting Rod Bolt Kit - Late S54 - M10x45mm UHL Pro-Series ARP rod bolt set - ARP - BMW

M10x45mm UHL Pro-Series ARP rod bolt set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production from 02/2003

Brand:
ARP - Corporate Logo
ES#:
1844201
Mfg#:
201-6102
In Stock
$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4057411 - MMFS-E46-01K - E46 M3 Performance Aluminum Fan Shroud Kit - Fan Controller with Probe & NPT Sensor - Aluminum fan shroud with 16" slim electric fan, fan controller, NPT & Probe style temperature sensors - Mishimoto - BMW

Aluminum fan shroud with 16" slim electric fan, fan controller, NPT & Probe style temperature sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4057411
Mfg#:
MMFS-E46-01K
In Stock
$460.99

This product was last offered at the strikethrough price on
02-22-2026

$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2526534 - 12131703228 - Ignition Coil - Priced Each - Get your engine working flawlessly with new ignition coils - Bremi - BMW

Get your engine working flawlessly with new ignition coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
2526534
Mfg#:
12131703228
In Stock
$48.36

This product was last offered at the strikethrough price on
04-27-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4316218 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - Bosch - BMW

Located in the fuel tank-includes fuel level sending unit 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#:
4316218
Mfg#:
16146766942
Ships in 1 Business Day
$185.71 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2575612 - 17119071519 - E46 Radiator - Automatic - Replace your leaking radiator - Nissens - BMW
ECS Tuning recommends this product.

Replace your leaking radiator We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Nissens - Corporate Logo
ES#:
2575612
Mfg#:
17119071519
In Stock
$173.39

This product was last offered at the strikethrough price on
06-02-2026

$165.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4493054 - RGBSCHEV1-6 - Race German Fuel Injector Rebuild Kit - Bosch EV1 Style 6-Cyl - Rebuild your injectors with quality parts from Race German! - Race German - BMW

Rebuild your injectors with quality parts from Race German! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493054
Mfg#:
RGBSCHEV1-6
In Stock
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3504768 - 17117573781 - E46 Coolant Expansion Tank - Includes cap and level sensor - Rein - BMW

Includes cap and level sensor 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#:
3504768
Mfg#:
17117573781
In Stock
$76.39 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.

Let us help you find the parts that fit your BMW

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