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BMW E46 Engine Mechanical Parts

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WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52

ES#4845637 - M5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE! SAVE 25%
$465.99

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

$349.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Refresh Kit

ES#2763229 - 1136143253KT - VANOS Refresh Kit - Includes necessary parts to get your VANOS system sealed up and working again - Assembled By ECS - BMW

Includes necessary parts to get your VANOS system sealed up and working again 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#:
2763229
Mfg#:
1136143253KT
In Stock
ON SALE! SAVE 20%
$162.99

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

$130.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring - Priced Per Piston

ES#2588276 - 11257506252 - Piston Ring - Priced Per Piston - For use on stock pistons, will need 6 sets to replace all piston rings in the engine - Mahle - BMW

For use on stock pistons, will need 6 sets to replace all piston rings in the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle - Corporate Logo
ES#:
2588276
Mfg#:
11257506252
In Stock
$37.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

32mm 6-Point Oil Filter Socket - 3/8" Drive

ES#3674261 - CTA2572 - 32mm 6-Point Oil Filter Socket - 3/8" Drive - Make oil filter housing removal simple - CTA Tools - Audi BMW Volkswagen MINI

Make oil filter housing removal simple affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
3674261
Mfg#:
CTA2572
In Stock
$10.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Constant Pressure Valve Replacement Kit

ES#3149232 - 11111318185ECSKT - Ultimate Constant Pressure Valve Replacement Kit - That might not be a rear main seal or valve cover gasket leak you're experiencing. Includes new CPV with heavy duty o-ring (replace it once, and only once!) and essential stubby "drag link" socket - Assembled By ECS - BMW

That might not be a rear main seal or valve cover gasket leak you're experiencing. Includes new CPV with heavy duty o-ring (replace it once, and only once!) and essential stubby "drag link" socket 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#:
3149232
Mfg#:
11111318185ECSKT
In Stock
ON SALE!
$85.93

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

$83.35 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC Performance Rod Bearing Replacement Kit With ARP Rod Bolts

ES#4715752 - 112478354392KT - WPC Performance Rod Bearing Replacement Kit With ARP Rod Bolts - Assembled By ECS - BMW

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#:
4715752
Mfg#:
112478354392KT
Ships in 9 Business Days
Auto Notify
ON SALE!
$859.99

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

$827.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

S54 Exact-Fit Stainless Steel Vanos Line

ES#3689889 - 012290ECS01 - S54 Exact-Fit Stainless Steel Vanos Line - Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective stainless steel line! - ECS - BMW

Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective stainless steel line! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3689889
Mfg#:
012290ECS01
Ships in 1-3 days
ON SALE!
$110.99

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

$107.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Valve Stem Seal Kit

ES#4346287 - vs-vbm6-6cylKT - Upgraded Valve Stem Seal Kit - Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals! - Supertech - BMW

Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4346287
Mfg#:
VS-VBM6-6CYLKT
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

8.9mm Valve Adjustment Shim Set

ES#2748830 - VSK4 - 8.9mm Valve Adjustment Shim Set - Used to adjust mechanical lifter valve lash - Wiseco - BMW

Used to adjust mechanical lifter valve lash affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wiseco - Corporate Logo
ES#:
2748830
Mfg#:
VSK4
In Stock
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft

ES#3243710 - 11211403867 - Crankshaft - OEM replacemnent crankshaft - Genuine BMW - BMW

OEM replacemnent crankshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3243710
Mfg#:
11211403867
Ships in 5 Business Days
4% off MSRP

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

$3064.99

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

$2943.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft

ES#3140708 - 11217832125 - Crankshaft - OEM replacemnent crankshaft - Genuine BMW - BMW

OEM replacemnent crankshaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3140708
Mfg#:
11217832125
Special Order: No Guaranteed ETA
4% off MSRP

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

$3064.99

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

$2943.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Athena Cut Ring Head Gasket - 84.5mm (84mm Bore)

ES#4758998 - ATH-HG-CR-M50-84 - Athena Cut Ring Head Gasket - 84.5mm (84mm Bore) - Upgrade From The OE MLS Gasket to The Best Performance Head Gasket on the Market! - 5150 Autosport - BMW

Upgrade From The OE MLS Gasket to The Best Performance Head Gasket on the Market! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4758998
Mfg#:
ATH-HG-CR-M50-84
Ships in 3 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal

ES#19419 - 11142249533 - Rear Crankshaft Seal - Replace when doing a clutch job. - Genuine BMW - BMW

Replace when doing a clutch job. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19419
Mfg#:
11142249533
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
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

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!

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

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

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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