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BMW E46 Engine Parts & Accessories

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3 Pin Connector

ES#4772587 - 12521433917 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the camshaft position sensor. - ECS - BMW

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

Brand:
ECS - Corporate Logo
ES#:
4772587
Mfg#:
12521433917
In Stock
ON SALE! SAVE 25%
$10.99

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

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2867842 - 13621432356 - Mass Air Flow Sensor (MAF) - Complete with housing. - Febi - BMW

Complete with housing. 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 a production date from 09/1998 up to 03/2003

Brand:
Febi - Corporate Logo
ES#:
2867842
Mfg#:
13621432356
Ships on Oct 5, 2026
$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Gasket - Priced Each

ES#4000694 - 16111179637 - Fuel Pump Gasket - Priced Each - The rubber gasket found between the fuel pump and the lock ring - URO - BMW

The rubber gasket found between the fuel pump and the lock ring 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#:
4000694
Mfg#:
16111179637
In Stock
$8.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4883962 - 11531708499 - Radiator Hose - Upper - New upper radiator hose for your BMW - Bremmen Parts - BMW

New upper radiator hose for your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883962
Mfg#:
11531708499
In Stock
ON SALE! SAVE 24%
$14.99

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

$11.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Euro Block Gaskets

ES#2813237 - 11117511529 - Euro Block Gaskets - Comes with all gaskets needed for the N43 Engine - Hamburg Tech - BMW

Comes with all gaskets needed for the N43 Engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813237
Mfg#:
11117511529
In Stock
ON SALE!
$107.99

This product was last offered at the strikethrough price on
06-25-2026

$102.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2776538 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Vaico - BMW

Replacement is recommend with every belt service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2776538
Mfg#:
11281748131
In Stock
ON SALE! SAVE 45%
$30.99

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

$17.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Pressure hose assembly

ES#26855 - 11727831039 - E46 M3 Pressure hose assembly - Hose that connects to the air pump in your exhaust manifold - Genuine BMW - BMW

Hose that connects to the air pump in your exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
26855
Mfg#:
11727831039
In Stock
2% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
07-08-2026

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

Spark Plugs - Set Of Six

ES#2168001 - YR6LDE - Spark Plugs - Set Of Six - Aftermarket alternative spark plugs - Bosch - BMW

Aftermarket alternative spark plugs 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#:
2168001
Mfg#:
YR6LDE
Back Ordered
$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#2594165 - 11531318402 - Thermostat O-Ring - BMW does not include a o-ring with their new thermostats - Wahler - BMW

BMW does not include a o-ring with their new thermostats affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
2594165
Mfg#:
11531318402
Ships in 6 Business Days
$6.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector O-Ring - Priced Each

ES#2602261 - 13641437486 - Fuel Injector O-Ring - Priced Each - Injector to engine o-ring - Elring - BMW

Injector to engine o-ring 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:
Elring - Corporate Logo
ES#:
2602261
Mfg#:
13641437486
In Stock
$3.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#2771202 - 11617533400K - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Vaico - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Vaico - Corporate Logo
ES#:
2771202
Mfg#:
11617533400K
In Stock at Vendor
$299.99

This product was last offered at the strikethrough price on
02-16-2026

$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Flat Washer

ES#24278 - 11437838127 - Flat Washer - Used to seal the oil dipstick tube - Genuine BMW - BMW

Used to seal the oil dipstick tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24278
Mfg#:
11437838127
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Race Alternator Pulley

ES#3175239 - ten4622rm3KT - Turner Motorsport Race Alternator Pulley - Alternator pulley upgrade if you already have Turner Motorsport Race pulleys - Turner Motorsport - BMW

Alternator pulley upgrade if you already have Turner Motorsport Race pulleys affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Turner Race Pulleys only

Brand:
Turner Motorsport - Corporate Logo
ES#:
3175239
Mfg#:
TEN4622RM3KT
Back Ordered
Auto Notify
ON SALE!
$206.99

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

$201.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#34373 - 13621743299 - O-Ring - Priced Each - Replacement o-ring for the temperature sensor - Genuine BMW - BMW
ECS Tuning recommends this product.

Replacement o-ring for the temperature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34373
Mfg#:
13621743299
In Stock
$3.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Black

ES#3021032 - MMHOSEE46NONMBK - Silicone Radiator Hose Kit - Black - Includes pre-attached OE quick-disconnect fittings and new O-rings - Mishimoto - BMW

Includes pre-attached OE quick-disconnect fittings and new O-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
3021032
Mfg#:
MMHOSEE46NONMBK
In Stock at Vendor
$199.99 USD
Free Shipping
on orders $49 and up

High Flow Fuel rail kit - Fuel rail only

ES#3543158 - 20-0070-02 - High Flow Fuel rail kit - Fuel rail only - Includes fuel rail and mounting hardware - Radium Engineering - BMW

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

Brand:
Radium Engineering - Corporate Logo
ES#:
3543158
Mfg#:
20-0070-02
In Stock at Vendor
$199.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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