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BMW E46 Engine Parts & Accessories

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Piston Ring Set - Priced Each

ES#4147005 - 11251437077 - Piston Ring Set - Priced Each - Standard bore replacement piston rings - Mahle - BMW

Standard bore replacement piston rings

Brand:
Mahle - Corporate Logo
ES#:
4147005
Mfg#:
11251437077
In Stock
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum water pump & power steering Pulley Kit - With Belts

ES#2863229 - 003042ECS01KT5 - Aluminum water pump & power steering Pulley Kit - With Belts - Finally, a durable pulley kit that won't break! Includes durable ECS Aluminum Power Steering Pulley, Aluminum water pump and Continental belts. - Assembled By ECS - BMW

Finally, a durable pulley kit that won't break! Includes durable ECS Aluminum Power Steering Pulley, Aluminum water pump and Continental belts. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date before 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2863229
Mfg#:
003042ECS01KT5
Ships in 10 Business Days
ON SALE!
$239.99

This product was last offered at the strikethrough price on
06-23-2026

$233.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2893822
Mfg#:
11527505302
In Stock
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Cat-back Exhaust System

Increase power and sound with this cat back system from Scorpion.

Brand:
Scorpion - Corporate Logo
ES#:
3969452
Mfg#:
SBM050
Ships in 2 Business Days
$1630.99 USD

Performance Rod Bearing Replacement Kit - Late S54

ES#3659045 - 11247835439KT10 - Performance Rod Bearing Replacement Kit - Late S54 - Includes everything needed for a rod bearing service, featuring Turner WPC treated rod bearings. - Assembled By ECS - BMW

Includes everything needed for a rod bearing service, featuring Turner WPC treated rod bearings. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 02/2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659045
Mfg#:
11247835439KT10
Ships in 1 day
ON SALE!
$844.99

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

$815.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Air Mass Sensor (MAF)

ES#2090783 - 13627566984 - Air Mass Sensor (MAF) - Restore mileage and performance - Continental - BMW

Restore mileage and performance We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003 and the M54 engine

Brand:
Continental - Corporate Logo
ES#:
2090783
Mfg#:
13627566984
Ships in 1 Business Day
$335.99

This product was last offered at the strikethrough price on
04-23-2026

$325.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW S52/M52 6 Cyl. 256-Degree - Exhaust Camshaft

ES#3246308 - 0261A1561-02 - BMW S52/M52 6 Cyl. 256-Degree - Exhaust Camshaft - Street and Track Exhaust Camshaft Setup - Schrick - BMW

Street and Track Exhaust Camshaft Setup

Brand:
Schrick - Corporate Logo
ES#:
3246308
Mfg#:
0261A1561-02
Special Order: No Guaranteed ETA
$1619.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 CSL Airbox Air Shut Off Valve

ES#2143438 - 11617833647 - E46 M3 CSL Airbox Air Shut Off Valve - For European market M3 CSL - Genuine European BMW - BMW

For European market M3 CSL

Brand:
Genuine European BMW - Corporate Logo
ES#:
2143438
Mfg#:
11617833647
Ships on Mar 25, 2027
$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Redline 10w-60 Engine Oil - 1 Quart

ES#2602531 - 11704 - Redline 10w-60 Engine Oil - 1 Quart - Fully ester based synthetic oil, recommended for "M" series engines - Redline - BMW

Fully ester based synthetic oil, recommended for "M" series engines

Brand:
Redline - Corporate Logo
ES#:
2602531
Mfg#:
11704
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

E46 M3 Heater Hose

ES#177982 - 64216902680 - E46 M3 Heater Hose - Connects the engine to the heater core - Genuine BMW - BMW

Connects the engine to the heater core

Brand:
Genuine BMW - Corporate Logo
ES#:
177982
Mfg#:
64216902680
In Stock
1% off MSRP

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

$73.99

This product was last offered at the strikethrough price on
10-01-2026

$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2777575 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Genuine BMW - BMW

Replace worn or missing pieces.

Brand:
Genuine BMW - Corporate Logo
ES#:
2777575
Mfg#:
17117639022
In Stock
21% off MSRP

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

$34.96

This product was last offered at the strikethrough price on
10-01-2026

$27.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley Kit - With Belt

ES#2731606 - 001977ECS01KT - Aluminum Water Pump Pulley Kit - With Belt - Includes durable ECS Aluminum Water Pump Pulley in black, four retaining bolts and a Continental water pump belt - Assembled By ECS - BMW

Includes durable ECS Aluminum Water Pump Pulley in black, four retaining bolts and a Continental water pump belt 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2731606
Mfg#:
001977ECS01KT
In Stock
ON SALE!
$140.99

This product was last offered at the strikethrough price on
06-23-2026

$133.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Main Crankshaft Seal

ES#2598716 - 11142249532 - Front Main Crankshaft Seal - Replace your leaking crankshaft seal - Elring - BMW

Replace your leaking crankshaft seal 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2598716
Mfg#:
11142249532
In Stock
$12.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 323/328 Valved Axle-Back Exhaust

ES#5395762 - 039116LA - E46 323/328 Valved Axle-Back Exhaust - Bold tone, lightweight design, ultimate E46 straight-six performance. - Turner Motorsport - BMW

Bold tone, lightweight design, ultimate E46 straight-six performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5395762
Mfg#:
039116LA
In Stock
ON SALE!
Starting at $397.78 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#21817 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Genuine BMW - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems

Brand:
Genuine BMW - Corporate Logo
ES#:
21817
Mfg#:
11287841228
In Stock
8% off MSRP

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

$123.34

This product was last offered at the strikethrough price on
10-01-2026

$113.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket Set

ES#2598514 - 11127831920 - Cylinder Head Gasket Set - Includes all gaskets that should be replaced during a head service - including the head gasket - Victor Reinz - BMW
ECS Tuning recommends this product.

Includes all gaskets that should be replaced during a head service - including the head gasket

Brand:
Victor Reinz - Corporate Logo
ES#:
2598514
Mfg#:
11127831920
Ships in 1 Business Day
$655.99

This product was last offered at the strikethrough price on
04-17-2026

$527.99 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.

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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