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BMW M3 Engine Parts & Accessories

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Main Stud Kit - M50/M52/S50/S52

ES#4758996 - ARP-MSK-M50 - Main Stud Kit - M50/M52/S50/S52 - Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform! - ARP - BMW

Prevent Main Cap Walk With ARP's Main Stud Kit for The M5X Engine Platform! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
4758996
Mfg#:
ARP-MSK-M50
Back Ordered
Auto Notify
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Itronic Engine Controller

ES#4623972 - 050210001 - Itronic Engine Controller - An advanced piggy-back engine controller that works simultaneously with the original ECU - Mosselman Turbosystems - BMW

An advanced piggy-back engine controller that works simultaneously with the original ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4623972
Mfg#:
050210001
Ships in 6 Business Days
$1869.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter - H108WK

ES#2075173 - 13321740985 - Fuel Filter - H108WK - Recommended to replace every 60k miles - Hengst - BMW
ECS Tuning recommends this product.

Recommended to replace every 60k miles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
2075173
Mfg#:
13321740985
In Stock
$16.99 USD
Free Shipping
on orders $49 and up

Crankcase Pressure Regulator Valve - Priced Each

ES#2665069 - 11157848155 - Crankcase Pressure Regulator Valve - Priced Each - Commonly referred to as the "oil separator" - Genuine BMW - BMW

Commonly referred to as the "oil separator" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2665069
Mfg#:
11157848155
Ships in 1-2 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.

$479.99

This product was last offered at the strikethrough price on
06-18-2026

$465.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 S65 Inline Fuel Filter Kit - Gas Paper Filter

ES#4907641 - S65PFF - E9X M3 S65 Inline Fuel Filter Kit - Gas Paper Filter - The ideal maintenance upgrade for enthusiasts who demand precision, durability, and cleaner fuel for their BMW™s high-performance engine. - NRW Design - BMW

The ideal maintenance upgrade for enthusiasts who demand precision, durability, and cleaner fuel for their BMW’s high-performance engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRW Design - Corporate Logo
ES#:
4907641
Mfg#:
S65PFF
Ships in 3 Business Days
$310.00 USD
Free Shipping
on orders $49 and up

Hydraulic Belt tensionser

ES#258959 - 11287841546 - Hydraulic Belt tensionser - Controls the amount of tension on pulley - Genuine BMW - BMW

Controls the amount of tension on pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
258959
Mfg#:
11287841546
Ships in 1-2 days
7% off MSRP

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

$165.99

This product was last offered at the strikethrough price on
06-18-2026

$154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Filler Cap - Priced Each

ES#4135481 - 16117470341 - Filler Cap - Priced Each - Direct replacement from BMW! - Genuine BMW - BMW MINI

Direct replacement from BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4135481
Mfg#:
16117470341
In Stock
$35.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4608584 - D650-0004KT4 - Performance Ignition Service Kit - Everything you need to service your ignition system! - Dinan - BMW

Everything you need to service your ignition system! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4608584
Mfg#:
D650-0004KT4
In Stock
$308.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut - Priced Each

ES#16145 - 07129905541 - Hex Nut - Priced Each - Commonly used to mount intake manifold components - Genuine BMW - BMW MINI

Commonly used to mount intake manifold components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16145
Mfg#:
07129905541
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

European Fan kit

ES#2966602 - 11522243303KT - European Fan kit - Replace your fan and fan clutch at the same time as upgrading to a more durable Euro fan. - Assembled By ECS - BMW

Replace your fan and fan clutch at the same time as upgrading to a more durable Euro fan. 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#:
2966602
Mfg#:
11522243303KT
Ships in 10 Business Days
Auto Notify
ON SALE!
$133.99

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

$132.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carrillo Forged Connecting Rod Set

ES#2573057 - BMS5465472H06 - Carrillo Forged Connecting Rod Set - Complete matched set of 6 rods - CP Carrillo - BMW

Complete matched set of 6 rods affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CP Carrillo - Corporate Logo
ES#:
2573057
Mfg#:
BMS5465472H06
Back Ordered
$1845.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brass Coolant Bleeder Screw - Priced Each

ES#4017796 - 17111712788PRM - Brass Coolant Bleeder Screw - Priced Each - Comes with O-Ring - URO Premium - BMW MINI

Comes with O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
4017796
Mfg#:
17111712788PRM
In Stock
$5.99

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

$5.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rod Bearing Replacement Kit - Early S54

ES#4213415 - 11247835439KT13 - Performance Rod Bearing Replacement Kit - Early S54 - Includes everything needed for a rod bearing service, featuring Turner WPC treated rod bearings and ARP rod bolts. - Assembled By ECS - BMW

Includes everything needed for a rod bearing service, featuring Turner WPC treated rod bearings and ARP rod bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 02/2003

Brand:
Assembled By ECS - Corporate Logo
ES#:
4213415
Mfg#:
11247835439KT13
Ships in 8 Business Days
ON SALE!
$947.99

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

$921.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Fluid Level Sensor

ES#38492 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Genuine BMW - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38492
Mfg#:
17137553919
In Stock
19% off MSRP

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

$49.59

This product was last offered at the strikethrough price on
06-18-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mosselman S55 Billet Oil Thermostat - Black

ES#4876265 - 030210062BLK - Mosselman S55 Billet Oil Thermostat - Black - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4876265
Mfg#:
030210062BLK
Ships in 7 Business Days
$459.00 USD
Free Shipping
on orders $49 and up

Fuel Pressure Regulator

ES#2570289 - 13531404089 - Fuel Pressure Regulator - Getting too much or to little fuel? Replace the fuel regulator. - Pierburg - BMW

Getting too much or to little fuel? Replace the fuel regulator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2570289
Mfg#:
13531404089
In Stock
$68.86

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

$67.99 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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