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BMW E30 M3 S14 2.3L

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BMW E30 M3 S14 2.3L Engine Mechanical Parts

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CP-CARRILLO Connecting Rod Set - WMC Rod Bolts

ES#4620068 - CAR-CRS-S14-WMC - CP-CARRILLO Connecting Rod Set - WMC Rod Bolts - Significantly stronger and lighter than OE connecting rods! - CP Carrillo - BMW

Significantly stronger and lighter than OE connecting rods!

Brand:
CP Carrillo - Corporate Logo
ES#:
4620068
Mfg#:
CAR-CRS-S14-WMC
Ships on Aug 6, 2026
$1149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S14 E30 M3 M11-1.25 X 1.600 Rod Bolt Kit

The factory connecting rod bolts on the S14 are good, but they are decades-old technology designed for stock power and standard street driving. When you start chasing apexes, upgrading cams, or just stretching the legs of your E30 M3 the way BMW intended 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
5470803
Mfg#:
301-6032
Ships on Aug 6, 2026
18% off MSRP

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

$21.99

This product was last offered at the strikethrough price on
07-21-2026

$17.99 USD

Accusump Marine 2 Qt Kit

ES#4608496 - 24-126 - Accusump Marine 2 Qt Kit - For pre-oiling and surge control on all applications. - Canton Racing - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For pre-oiling and surge control on all applications.

Brand:
Canton Racing - Corporate Logo
ES#:
4608496
Mfg#:
24-126
Ships on Aug 11, 2026
$839.00 USD
This product is lifetime replacement eligible Lifetime Replacement

S14 High Performance Rod Bearing Set - +0.25 Oversized

ES#5396379 - 4B1568H-.25 - S14 High Performance Rod Bearing Set - +0.25 Oversized - 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.

Brand:
ACL - Corporate Logo
ES#:
5396379
Mfg#:
4B1568H-.25
Special Order: No Guaranteed ETA
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW S14 4 Cyl. 308-Degree - Camshaft

ES#3246286 - 0227D1080-01 - BMW S14 4 Cyl. 308-Degree - Camshaft - Aggressive Street and Track Camshaft Setup - Schrick - BMW

Aggressive Street and Track Camshaft Setup

Brand:
Schrick - Corporate Logo
ES#:
3246286
Mfg#:
0227D1080-01
Special Order: No Guaranteed ETA
$1619.99 USD
Free Shipping
on orders $49 and up

BMW S14 4 Cyl. 276-Degree - Camshaft

ES#3246288 - 0227D1760-01 - BMW S14 4 Cyl. 276-Degree - Camshaft - Mild Street Camshaft Setup - Schrick - BMW

Mild Street Camshaft Setup

Brand:
Schrick - Corporate Logo
ES#:
3246288
Mfg#:
0227D1760-01
Special Order: No Guaranteed ETA
$1403.99 USD
Free Shipping
on orders $49 and up

BMW S14 4 Cyl. 292-Degree - Camshaft

ES#3246290 - 0227D1920-05 - BMW S14 4 Cyl. 292-Degree - Camshaft - Street and Track Camshaft Setup - Schrick - BMW

Street and Track Camshaft Setup

Brand:
Schrick - Corporate Logo
ES#:
3246290
Mfg#:
0227D1920-05
Special Order: No Guaranteed ETA
$1403.99 USD
Free Shipping
on orders $49 and up

BMW S14 4 Cyl. 320-Degree - Camshaft

ES#3246287 - 0227D1200-02 - BMW S14 4 Cyl. 320-Degree - Camshaft - Aggressive Track Camshaft Setup - Schrick - BMW

Aggressive Track Camshaft Setup

Brand:
Schrick - Corporate Logo
ES#:
3246287
Mfg#:
0227D1200-02
Special Order: No Guaranteed ETA
$1619.99 USD
Free Shipping
on orders $49 and up

WPC-Treated Performance Rod Bearing Service Kit

ES#4871861 - 11241310515KT - WPC-Treated Performance Rod Bearing Service Kit - Featuring Turner Motorsport WPC-Treated "Race Series" rod bearings for added wear resistance and longevity! - Assembled By ECS - BMW

Featuring Turner Motorsport WPC-Treated "Race Series" rod bearings for added wear resistance and longevity! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4871861
Mfg#:
11241310515KT
Ships on Jan 14, 2027
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ON SALE! SAVE 16%
$769.99

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

$650.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

JE Pistons BMW S14B32 13:1 KIT Set Of 4 Pistons

ES#4842711 - 312386 - JE Pistons BMW S14B32 13:1 KIT Set Of 4 Pistons - BMW S14B32 engine E30 M3 models and motorsport variants - JE Piston - BMW

BMW S14B32 engine E30 M3 models and motorsport variants

Brand:
JE Piston - Corporate Logo
ES#:
4842711
Mfg#:
312386
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Pistons BMW S14B23 8.5:1 Set Of 4 Pistons

ES#4842715 - 321360 - JE Pistons BMW S14B23 8.5:1 Set Of 4 Pistons - Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge. - JE Piston - BMW

Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.

Brand:
JE Piston - Corporate Logo
ES#:
4842715
Mfg#:
321360
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Pistons BMW S14B23 8.5:1

ES#4842714 - 321359 - JE Pistons BMW S14B23 8.5:1 - Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge. - JE Piston - BMW

Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.

Brand:
JE Piston - Corporate Logo
ES#:
4842714
Mfg#:
321359
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Pistons BMW S14B23 8.5:1

ES#4842712 - 321358 - JE Pistons BMW S14B23 8.5:1 - Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge. - JE Piston - BMW

Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.

Brand:
JE Piston - Corporate Logo
ES#:
4842712
Mfg#:
321358
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Pistons BMW S14B23 13.0:1

ES#4842716 - 321362 - JE Pistons BMW S14B23 13.0:1 - Take your BMWs performance to the next level with the JE Pistons BMW S14B23 13.0:1 Compression Kit, built for those who demand the highest level of precision and reliability from their engine components. Perfect for track use or spirited street driving - JE Piston - BMW

Take your BMW’s performance to the next level with the JE Pistons BMW S14B23 13.0:1 Compression Kit, built for those who demand the highest level of precision and reliability from their engine components. Perfect for track use or spirited street driving

Brand:
JE Piston - Corporate Logo
ES#:
4842716
Mfg#:
321362
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Pistons BMW S14B23 3.7086in Bore 13:1

ES#4842720 - 321364 - JE Pistons BMW S14B23 3.7086in Bore 13:1 - Upgrade your BMW S14B23 with the JE Pistons 13:1 Piston Kit, engineered to provide the power and precision needed to dominate on the track or street. - JE Piston - BMW

Upgrade your BMW S14B23 with the JE Pistons 13:1 Piston Kit, engineered to provide the power and precision needed to dominate on the track or street.

Brand:
JE Piston - Corporate Logo
ES#:
4842720
Mfg#:
321364
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Pistons BMW S14B2 13:0

ES#4842717 - 321363 - JE Pistons BMW S14B2 13:0 - Built to withstand the rigors of motorsport and aggressive driving, the JE Pistons BMW S14B20 13.0:1 Piston Kit is the ultimate upgrade for drivers seeking enhanced power and performance in their naturally aspirated engines. - JE Piston - BMW

Built to withstand the rigors of motorsport and aggressive driving, the JE Pistons BMW S14B20 13.0:1 Piston Kit is the ultimate upgrade for drivers seeking enhanced power and performance in their naturally aspirated engines.

Brand:
JE Piston - Corporate Logo
ES#:
4842717
Mfg#:
321363
Back Ordered
$899.99 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.

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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