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BMW E46 Engine Parts & Accessories

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Castrol TWS Oil Change Kit / Inspection I

ES#2580178 - E46M3SVCKT - Castrol TWS Oil Change Kit / Inspection I - Everything needed for a complete oil service including TWS Edge Supercar oil and a OEM filter - Assembled By ECS - BMW

Everything needed for a complete oil service including TWS Edge Supercar oil and a OEM filter 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#:
2580178
Mfg#:
E46M3SVCKT
In Stock
ON SALE!
$170.99

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

$170.88 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Complete Cooling System Hose Kit

ES#2597226 - 11531436408KT - Complete Cooling System Hose Kit - A complete hose kit including coolant - Genuine BMW - BMW

A complete hose kit including coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2597226
Mfg#:
11531436408KT
Ships in 2 Business Days
$548.99

This product was last offered at the strikethrough price on
06-03-2026

$544.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Auxiliary Fan Switch

ES#34327 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Genuine BMW - BMW MINI

Comes with related o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mounted in upper radiator hose, controls operation of auxiliary fan

Brand:
Genuine BMW - Corporate Logo
ES#:
34327
Mfg#:
13621433077
In Stock
16% off MSRP

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

$66.05

This product was last offered at the strikethrough price on
06-27-2026

$55.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Main Stud Conversion Kit

ES#2576279 - 201-5000 - ARP Main Stud Conversion Kit - Build it right the first time, and keep it together longer - ARP - BMW

Build it right the first time, and keep it together longer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2576279
Mfg#:
201-5000
In Stock
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Fan Clutch

ES#3438875 - 14-010 - Sport Fan Clutch - More efficient cooling! - Active Autowerke - BMW

More efficient cooling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
3438875
Mfg#:
14-010
Ships in 2 Business Days
5% off MSRP

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

$259.00

This product was last offered at the strikethrough price on
06-27-2026

$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Manifold Oxygen Sensor - Front Position/Pre-Cat

ES#3031886 - 11781743994 - Front Manifold Oxygen Sensor - Front Position/Pre-Cat - Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine - Bosch - BMW

Located in the front position of the exhaust manifold for cylinders 1-3 on the S54 engine 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#:
3031886
Mfg#:
11781743994
In Stock at Vendor
$199.99

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

$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Valved Catback Exhaust & ECS Luft-Technik Intake System - E46 325i/Ci

ES#4876696 - 023536LA02EBKT - Turner Motorsport Valved Catback Exhaust & ECS Luft-Technik Intake System - E46 325i/Ci - The ULTIMATE auditory upgrade - featuring a valved muffler for sound control and a free-flowing intake for increased performance. - Enthusiast Bundles - BMW

The ULTIMATE auditory upgrade - featuring a valved muffler for sound control and a free-flowing intake for increased performance. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876696
Mfg#:
023536LA02EBKT
Ships on Aug 3, 2026
Auto Notify
ON SALE! SAVE 14%
$1577.98

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

$1349.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Schrick Camshaft Set - 280/272 Degree 12.5mm Lift

ES#3026994 - E46M3SCHRICK - Schrick Camshaft Set - 280/272 Degree 12.5mm Lift - An excellent CSL street or track upgrade - Schrick - BMW

An excellent CSL street or track upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schrick - Corporate Logo
ES#:
3026994
Mfg#:
E46M3SCHRICK
Ships on Oct 15, 2026
$2692.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#2581317 - 13547502445 - Throttle Body - Includes assembly and gasket - VDO - BMW

Includes assembly and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
2581317
Mfg#:
13547502445
Ships in 3 Business Days
$335.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CSL Style Intake Kit - SMG - Matte

ES#4008638 - 003313TMS01KT2 - CSL Style Intake Kit - SMG - Matte - Includes everything needed to install this legendary intake on your car! - Turner Motorsport - BMW
ECS Tuning recommends this product.

Includes everything needed to install this legendary intake on your car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with an SMG transmission

Brand:
Turner Motorsport - Corporate Logo
ES#:
4008638
Mfg#:
003313TMS01KT2
In Stock
ON SALE! SAVE 20%
$3345.99

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

$2676.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M20/M50/M52/M54 High Performance Rod Bearing Set - Standard

ES#4629189 - 6B1490H-STD - M20/M50/M52/M54 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - BMW

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

Brand:
ACL - Corporate Logo
ES#:
4629189
Mfg#:
6B1490H-STD
In Stock
$156.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Main Bearing Set

ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
Ships in 1 Business Day
$110.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor - Intake

ES#4846513 - 12147539165 - Camshaft Position Sensor - Intake - Upgrade your BMWs performance and reliability with a premium camshaft position sensor intake. - Bremi - BMW

Upgrade your BMW’s performance and reliability with a premium camshaft position sensor – intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
4846513
Mfg#:
12147539165
In Stock
$49.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Priced Each

ES#2813598 - 11812283798 - Engine Mount - Priced Each - Keep your engine securely mounted - Hamburg Tech - BMW

Keep your engine securely mounted affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Harder durometer mount from the M3 for improved performance.

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813598
Mfg#:
11812283798
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#4304179 - 11727553056 - Secondary Air Pump - Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir - URO - BMW

Located in the right portion of the engine bay, near the shock tower and windshield wiper fluid reservoir 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#:
4304179
Mfg#:
11727553056
In Stock
$201.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 323/328 Valved Cat-Back Exhaust

ES#5395764 - 039116LA01 - E46 323/328 Valved Cat-Back Exhaust - Turn up the sound or keep it stealth. This lightweight E46 performance exhaust lets you control the tone instantly with its valved muffler and one-click controller. - Turner Motorsport - BMW

Turn up the sound or keep it stealth. This lightweight E46 performance exhaust lets you control the tone instantly with its valved muffler and one-click controller. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5395764
Mfg#:
039116LA01
In Stock
ON SALE!
Starting at $870.94 USD
Customize
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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