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BMW E30 Performance Engine Internals

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M20 Cylinder Head - complete

ES#2918686 - 11121707032-2 - M20 Cylinder Head - complete - Complete cylinder head with guides, seats, valves, & springs - AMC - BMW
ECS Tuning recommends this product.

Complete cylinder head with guides, seats, valves, & springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918686
Mfg#:
11121707032-2
Ships on Jul 2, 2026
$1322.99 USD
Free Shipping

WPC-Treated Race Series Rod Bearing Set - S14

ES#4845651 - S14-WPC-RB - WPC-Treated Race Series Rod Bearing Set - S14 - 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#:
4845651
Mfg#:
S14-WPC-RB
In Stock
Limited Qty Sale
$454.99

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

$334.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Ultimate Replacement Kit

ES#2918763 - 11121707032kt1KT - Complete Cylinder Head Ultimate Replacement Kit - Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, ignition wires, and distributor - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, ignition wires, and distributor 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#:
2918763
Mfg#:
11121707032KT1KT
Ships on Jul 2, 2026
ON SALE!
$2111.99

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

$2111.36 USD
This product is lifetime replacement eligible Partial Replacement

Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
In Stock
$309.99

This product was last offered at the strikethrough price on
05-11-2026

$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Crank Bearing Set

ES#4000006 - 11211706847wpcKT - WPC Treated Crank Bearing Set - Stronger & smoother, with less friction for your BMW! - ECS - BMW
ECS Tuning recommends this product.

Stronger & smoother, with less friction for your BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000006
Mfg#:
11211706847WPCKT
In Stock
ON SALE!
$245.99

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

$238.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Alignment Tool Set

ES#2778117 - 003304SCH01A - Camshaft Alignment Tool Set - Locks your Camshaft in place, making performing VANOS or cylinder head work more convenient - Schwaben - BMW
ECS Tuning recommends this product.

Locks your Camshaft in place, making performing VANOS or cylinder head work more convenient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2778117
Mfg#:
003304SCH01A
Ships in 5 Business Days
ON SALE! SAVE 10%
$112.99

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

$101.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

S14 EVO3 2.5L Crankshaft without Bearings

ES#3220387 - 11211315485 - S14 EVO3 2.5L Crankshaft without Bearings - S14 EVO3 2.5L Crankshaft without Bearings - Genuine European BMW - BMW

S14 EVO3 2.5L Crankshaft without Bearings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European BMW - Corporate Logo
ES#:
3220387
Mfg#:
11211315485
Special Order: No Guaranteed ETA
Auto Notify
$3449.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Basic Replacement Kit

ES#2918762 - 11121707032-2KT - Complete Cylinder Head Basic Replacement Kit - Everything you will need to do a head service on your BMW - Assembled By ECS - BMW

Everything you will need to do a head service on your 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#:
2918762
Mfg#:
11121707032-2KT
Ships on Jul 2, 2026
ON SALE!
$1642.99

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

$1596.66 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

King Performance BMW S54 Main Bearings - Std.

ES#4756551 - MB7039AM - King Performance BMW S54 Main Bearings - Std. - Standard Size - King - BMW

Standard Size affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4756551
Mfg#:
MB7039AM
In Stock
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Priced Each

ES#2598482 - KPR-6S-7 - 6mm Single Groove Valve Keeper - Priced Each - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$5.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54

ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - 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#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$509.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rod Bearing Set - Standard Set

ES#4364526 - CR6640XP - Performance Rod Bearing Set - Standard Set - Upgrade your Rod Bearings to a performance oriented option! - King - BMW

Upgrade your Rod Bearings to a performance oriented option! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4364526
Mfg#:
CR6640XP
In Stock at Vendor
$163.99

This product was last offered at the strikethrough price on
05-21-2026

$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP Forged Piston Set BMW M20 B27

ES#4759314 - CP-FPS-M20-B275 - CP Forged Piston Set BMW M20 B27 - 84.5mm Bore, 8.5:1 Compression Ratio - 5150 Autosport - BMW

84.5mm Bore, 8.5:1 Compression Ratio affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759314
Mfg#:
CP-FPS-M20-B275
Ships in 3 Business Days
$1396.99 USD
Free Shipping
on orders $49 and up

CP Forged Piston Set BMW M20 B27 Std.

ES#4759090 - CP-FPS-M20-B27 - CP Forged Piston Set BMW M20 B27 Std. - 8.5:1 Compression Ratio, Standard 84mm Bore - 5150 Autosport - BMW

8.5:1 Compression Ratio, Standard 84mm Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759090
Mfg#:
CP-FPS-M20-B27
Back Ordered
$1349.99 USD
Free Shipping
on orders $49 and up

Cylinder Head - Bare

ES#2918684 - 11121707032 - Cylinder Head - Bare - Bare head, guides and seats only - AMC - BMW

Bare head, guides and seats only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918684
Mfg#:
11121707032
Ships on Jun 26, 2026
$999.00 USD

More About Performance Engine Internals

Building your dream engine? We have all the bearings, pistons, connecting rods, timing components, and more to help make that dream a reality.

Let us help you find the parts that fit your BMW

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