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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

Brand:
AMC - Corporate Logo
ES#:
2918686
Mfg#:
11121707032-2
In Stock
$1322.99 USD
Free Shipping

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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE! SAVE 25%
$475.99

This product was last offered at the strikethrough price on
06-13-2026

$356.99 USD
Free Shipping
on orders $49 and up
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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918762
Mfg#:
11121707032-2KT
Ships in 2 Business Days
ON SALE!
$1615.99

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

$1602.19 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

Brand:
Genuine European BMW - Corporate Logo
ES#:
3220387
Mfg#:
11211315485
In Stock
ON SALE!
$3449.99

This product was last offered at the strikethrough price on
08-23-2026

$3191.18 USD
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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2778117
Mfg#:
003304SCH01A
In Stock
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

Performance Main Bearing Set

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

Performance engine bearing kit

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
Back Ordered
Auto Notify
$309.99

This product was last offered at the strikethrough price on
07-08-2026

$203.99 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918763
Mfg#:
11121707032KT1KT
Ships in 2 Business Days
ON SALE!
$2157.99

This product was last offered at the strikethrough price on
08-20-2026

$2136.51 USD
This product is lifetime replacement eligible Partial 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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$520.99

This product was last offered at the strikethrough price on
06-13-2026

$468.89 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

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$3.99

This product was last offered at the strikethrough price on
04-13-2026

$2.99 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

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

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

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!

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

Cylinder Head - Bare

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

Bare head, guides and seats only

Brand:
AMC - Corporate Logo
ES#:
2918684
Mfg#:
11121707032
Ships on Sep 28, 2026
$999.00 USD

6mm Single Groove Valve Keeper - Set Of 24

ES#4716124 - KPR-6S-7-24 - 6mm Single Groove Valve Keeper - Set Of 24 - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves

Brand:
Supertech - Corporate Logo
ES#:
4716124
Mfg#:
KPR-6S-7-24
Ships in 6 Business Days
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845651
Mfg#:
S14-WPC-RB
In Stock at Vendor
$454.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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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