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BMW E46 Engine Parts & Accessories

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Throttle Body Actuator

ES#34465 - 13627840537 - Throttle Body Actuator - Includes throttle position sensor - Genuine BMW - BMW
ECS Tuning recommends this product.

Includes throttle position sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34465
Mfg#:
13627840537
Ships on Jul 21, 2026
Auto Notify
5% off MSRP

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

$1942.99

This product was last offered at the strikethrough price on
01-27-2026

$1837.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt Kit

ES#2576282 - 201-6103 - Connecting Rod Bolt Kit - M11x47mm UHL Pro-Series ARP rod bolt set - ARP - BMW

M11x47mm 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 up to 02/2003

Brand:
ARP - Corporate Logo
ES#:
2576282
Mfg#:
201-6103
Back Ordered
Auto Notify
$215.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear CSL Muffler

ES#39500 - 18107833504 - Rear CSL Muffler - Increase performance by losing weight - Genuine European BMW - BMW

Increase performance by losing weight affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European BMW - Corporate Logo
ES#:
39500
Mfg#:
18107833504
Ships in 9 Business Days
3% off MSRP

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

$7584.99

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

$7339.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#3677671 - 12131712219pkt - Performance Ignition Service Kit - Everything you need to service your ignition system including spark plugs and Bav Auto ignition coils - Assembled By ECS - BMW

Everything you need to service your ignition system including spark plugs and Bav Auto ignition coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 10/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677671
Mfg#:
12131712219PKT
In Stock
ON SALE! SAVE 25%
$243.35

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

$182.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Assembly

ES#2535732 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - URO - 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:
URO - Corporate Logo
ES#:
2535732
Mfg#:
16146766942
In Stock
$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Performance Cat Back Exhaust

ES#2827626 - SSXBM462 - E46 M3 Performance Cat Back Exhaust - Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance. - Milltek Sport - BMW

Motorsport pedigree. Superior quality. Excellent sound. Milltek Sport cat-back exhaust for enhanced performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
2827626
Mfg#:
SSXBM462
Ships in 4 Business Days
$2387.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

New Alternator - 120amp

ES#4751405 - 12317831436 - New Alternator - 120amp - Brand new, not remanufactured. No core charge! - Bavarian Autosport - BMW

Brand new, not remanufactured. No core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4751405
Mfg#:
12317831436
Ships on Aug 19, 2026
Auto Notify
ON SALE! SAVE 20%
$222.99

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

$178.39 USD
Free Shipping
on orders $49 and up

Build Your Own CSL Intake Plenum - SMG & 6MT

ES#4668335 - 003313TMS01 - Build Your Own CSL Intake Plenum - SMG & 6MT - Get the highly coveted CSL experience with your S54! Roaring induction noise, aesthetics and increased performance are just the tip of the iceberg when installing this legendary intake. - Turner Motorsport - BMW

Get the highly coveted CSL experience with your S54! Roaring induction noise, aesthetics and increased performance are just the tip of the iceberg when installing this legendary intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4668335
Mfg#:
003313TMS01
Ships in 1-2 days
ON SALE!
Starting at $2354.95 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs

ES#3617648 - i48CX - Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs - Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! - Braille - BMW

Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Braille - Corporate Logo
ES#:
3617648
Mfg#:
I48CX
Ships in 5 Business Days
$1164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#3691255 - 13621432356 - Mass Air Flow Sensor (MAF) - Complete with housing. - Hella - BMW

Complete with housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 09/1998 up to 03/2003

Brand:
Hella - Corporate Logo
ES#:
3691255
Mfg#:
13621432356
In Stock
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Manifold Gasket Set

ES#2608158 - 11611436631 - Intake Manifold Gasket Set - Contains both gaskets needed - Elring - BMW
ECS Tuning recommends this product.

Contains both gaskets needed 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#:
2608158
Mfg#:
11611436631
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Oil Filter Cap

ES#2738405 - 002605ECS01A - Billet Aluminum Oil Filter Cap - Aluminum upgrade for OE plastic housing. No more damaged threads or rounded heads! - ECS - BMW

Aluminum upgrade for OE plastic housing. No more damaged threads or rounded heads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Features an OE 36mm hex head as well as a 17mm hex - making an oil service a one-tool job!

Brand:
ECS - Corporate Logo
ES#:
2738405
Mfg#:
002605ECS01A
In Stock
ON SALE!
$154.99

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

$150.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump

ES#23708 - 11417838123 - Oil Pump - Make sure your engine is properly lubricated - Genuine BMW - BMW

Make sure your engine is properly lubricated affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
23708
Mfg#:
11417838123
Ships in 3 Business Days
20% off MSRP

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

$1081.09

This product was last offered at the strikethrough price on
01-07-2026

$859.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body

ES#34016 - 13541433414 - Throttle Body - Complete throttle body assembly - Genuine BMW - BMW

Complete throttle body assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34016
Mfg#:
13541433414
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.

$884.99

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

$851.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Power Steering Pulley

ES#2795558 - 003042ECS01 - Aluminum Power Steering Pulley - Finally, a durable power steering pulley that won't break! - ECS - BMW

Finally, a durable power steering pulley that won't break! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2795558
Mfg#:
003042ECS01
In Stock
ON SALE! SAVE 15%
$86.99

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

$73.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket - Elring

ES#3673144 - 424.51 - Oil Pan Gasket - Elring - A common cause of lower engine oil leaks. - Elring - BMW

A common cause of lower engine oil leaks. 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#:
3673144
Mfg#:
424.51
In Stock
$23.99 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

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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