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BMW M3 Engine Mechanical Parts

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Valvetronic Actuator Replacement Kit

ES#4159745 - 11377603979KT - Valvetronic Actuator Replacement Kit - Includes actuator, actuator gasket and valve cover gaskets - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes actuator, actuator gasket and valve cover gaskets 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#:
4159745
Mfg#:
11377603979KT
In Stock
ON SALE! SAVE 20%
$268.99

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

$215.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Connecting Rod Bearing Set

ES#3522083 - SP1527HKSTDS65 - Performance Connecting Rod Bearing Set - Reduce friction and improve the reliability of your S65 powerhouse! - BE Bearings - BMW

Reduce friction and improve the reliability of your S65 powerhouse! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
NOW SOLD AS SP1527F-STD-S65 (V2)

Brand:
BE Bearings - Corporate Logo
ES#:
3522083
Mfg#:
SP1527HKSTDS65
In Stock
$589.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Aluminum Valve Cover Set

ES#4904350 - 11127848154KT - E9X M3 Aluminum Valve Cover Set - Upgrade to durable aluminum material that outlasts factory magnesium alloy! This set of left & right valve covers includes oil separators, gaskets, and bolts. - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Upgrade to durable aluminum material that outlasts factory magnesium alloy! This set of left & right valve covers includes oil separators, gaskets, and bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4904350
Mfg#:
11127848154KT
In Stock
ON SALE! SAVE 15%
$907.99

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

$771.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N52/N54/N55/S55 High Performance Rod Bearing Set - Standard

ES#3638856 - 6B1584H-STD - N52/N54/N55/S55 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#:
3638856
Mfg#:
6B1584H-STD
In Stock
$193.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Aluminum Valve Cover Set - Gloss Red

ES#4907677 - 1112784815xredkt - E9X M3 Aluminum Valve Cover Set - Gloss Red - Upgrade to durable aluminum composition that outlasts factory magnesium alloy! This set of gloss red valve covers includes oil separators, gaskets, and bolts. - Bremmen Parts - BMW
ECS Tuning recommends this product.

Upgrade to durable aluminum composition that outlasts factory magnesium alloy! This set of gloss red valve covers includes oil separators, gaskets, and bolts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4907677
Mfg#:
1112784815XREDKT
Ships on Jul 28, 2026
Auto Notify
ON SALE! SAVE 18%
$1040.99

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

$849.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Eccentric Shaft Replacement Kit

ES#4045726 - 11377589883KT - Eccentric Shaft Replacement Kit - Replace your worn eccentric shaft and restore performance - Assembled By ECS - BMW

Replace your worn eccentric shaft and restore performance 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#:
4045726
Mfg#:
11377589883KT
Ships in 6 Business Days
ON SALE! SAVE 27%
$1029.99

This product was last offered at the strikethrough price on
03-23-2026

$752.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BE Performance S65 Connecting Rod Bolt Set

ES#3522064 - BE-CRB50-S65 - BE Performance S65 Connecting Rod Bolt Set - Designed by BE Bearings and manufactured ARP for high quality and custom torque specifications. - BE Bearings - BMW

Designed by BE Bearings and manufactured ARP for high quality and custom torque specifications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BE Bearings - Corporate Logo
ES#:
3522064
Mfg#:
BE-CRB50-S65
In Stock
$294.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BE Bearings Performance Rod Bearing Replacement Kit w/o Oil

ES#4505333 - 11247838088OKT - BE Bearings Performance Rod Bearing Replacement Kit w/o Oil - Includes everything needed for a rod bearing service, featuring BE Bearings upgraded rod bearings. - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes everything needed for a rod bearing service, featuring BE Bearings upgraded rod bearings. 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#:
4505333
Mfg#:
11247838088OKT
In Stock
$977.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N52/N54/N55/S55 Crank Seal Guard

ES#4674312 - 049453LA01-02 - N52/N54/N55/S55 Crank Seal Guard - You can't put a price on piece of mind. A simple bolt on solution to keep your engine safe from catastrophic failure. - Turner Motorsport - BMW

You can't put a price on piece of mind. A simple bolt on solution to keep your engine safe from catastrophic failure. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4674312
Mfg#:
049453LA01-02
In Stock
ON SALE! SAVE 40%
$129.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Solenoid - Priced Each

ES#4039809 - 11368605123 - VANOS Solenoid - Priced Each - The fix for a failed VANOS solenoid - Bavarian Autosport - BMW
ECS Tuning recommends this product.

The fix for a failed VANOS solenoid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039809
Mfg#:
11368605123
In Stock
ON SALE! SAVE 20%
$124.99

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

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55/N55 4 PIN One-Piece CRANK HUB

ES#4423399 - CH-4PIN - S55/N55 4 PIN One-Piece CRANK HUB - The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. - Insane Performance - BMW

The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Insane Performance - Corporate Logo
ES#:
4423399
Mfg#:
CH-4PIN
In Stock
$1099.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Valve Cover - M52/S52

ES#4875827 - 11121703341M - Aluminum Valve Cover - M52/S52 - Upgrade to durable aluminum construction & say goodbye to failure-prone plastic! Includes gaskets, hardware, and oil cap for a complete, comprehensive replacement. - Bremmen Parts - BMW
ECS Tuning recommends this product.

Upgrade to durable aluminum construction & say goodbye to failure-prone plastic! Includes gaskets, hardware, and oil cap for a complete, comprehensive replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4875827
Mfg#:
11121703341M
In Stock
ON SALE! SAVE 20%
$418.99

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

$334.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution w/ Crank Bolt Capture - N55 S55

ES#3620075 - VTT-CRANKHUB-1 - Spline Lock Crank Hub Solution w/ Crank Bolt Capture - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Includes crank bolt capture. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Includes crank bolt capture. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3620075
Mfg#:
VTT-CRANKHUB-1
Ships in 3 Business Days
$879.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTT S65 7075 Vanos Covers - QTY 4

ES#4709481 - VTT-S65-VANOS-CO - VTT S65 7075 Vanos Covers - QTY 4 - Machined from 7075 billet, anodized black for corrosion resistance. The last Vanos covers you will ever have to buy. - Vargas Turbo Technologies - BMW

Machined from 7075 billet, anodized black for corrosion resistance. The last Vanos covers you will ever have to buy. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4709481
Mfg#:
VTT-S65-VANOS-CO
In Stock
$262.99 USD
Free Shipping

Connecting Rod Bolt - Priced Each

ES#254037 - 11247589671 - Connecting Rod Bolt - Priced Each - Measurements: M9x47mm - Genuine BMW - BMW MINI

Measurements: M9x47mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
254037
Mfg#:
11247589671
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Replacement Kit

ES#4818059 - 11127846359KT2 - Valve Cover Replacement Kit - Includes gaskets, sealing washers, and silicone sealant for an all-inclusive service - Assembled By ECS - BMW

Includes gaskets, sealing washers, and silicone sealant for an all-inclusive service 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#:
4818059
Mfg#:
11127846359KT2
In Stock
ON SALE! SAVE 30%
$608.99

This product was last offered at the strikethrough price on
01-03-2026

$427.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

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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