BMW S14 race engine for sale

BMW S14 race engine for sale

Product Overview

For sale is a BMW S14 2.3-litre race engine — a complete, fresh new build that is fully prepared and ready to race. This is not a used or refurbished unit; it has been built from new and has been dyno run and mapped on 16th October 2025, confirming correct operation and providing a verified power baseline ahead of installation.

The engine is offered as a complete, turn-key package — supplied with all ancillaries required for a straightforward installation into a competition car. With MoTeC engine management, a matched wiring harness, flywheel, starter motor, alternator, airbox, and exhaust manifold all included, this is a genuinely ready-to-race unit requiring no further preparation or additional parts sourcing.

Engine Specification

What’s Included

This BMW S14 is offered as a complete, fully equipped race engine package. Every component required for installation and competition use is included:

• MoTeC engine management system — professional-grade motorsport ECU, fully mapped and ready to run
• Wiring harness — matched to the MoTeC system and configured for the S14
• Flywheel — fitted and included as part of the complete drivetrain interface
• Starter motor — included and ready for installation
• Alternator — included for full electrical system compatibility
• Airbox — induction system included and matched to the engine specification
• Exhaust manifold — included and ready to connect to the car’s exhaust system

About the BMW S14 Engine

The BMW S14 is the naturally aspirated, four-cylinder, twin-cam engine produced exclusively for the BMW E30 M3 — one of the most celebrated and historically significant touring car racing platforms ever built. Developed directly from BMW Motorsport’s Formula 2 engine programme, the S14 is revered for its high-revving character, linear power delivery, and exceptional mechanical durability when properly built and maintained.

In standard road form, the S14 produced between 195 hp and 238 hp depending on specification and market. In full race-built form — as with this 2.3-litre unit — the engine is prepared to exceed those figures with competition-specific components, porting, camshaft profiles, and fuelling, tuned and validated on the dynamometer prior to sale.

The combination of a fresh S14 build with MoTeC engine management represents the benchmark for a modern, professionally prepared E30 M3 competition engine. MoTeC’s motorsport ECU platform provides precise fuelling and ignition control, full data logging capability, and the flexibility to refine the engine map across different circuits, fuels, and conditions — giving any competitor a genuine technical advantage.

The S14 in 2.3-litre specification is the most commonly specified displacement for circuit racing, hillclimb, and historic competition use, offering the optimal balance of power, torque, and rev range for the E30 M3 platform across a wide variety of competition formats.

Ideal For

• BMW E30 M3 circuit racing and endurance competition
• Historic Group A and touring car series
• Hillclimb and sprint E30 M3 builds
• Club motorsport and championship-level competition
• Teams or drivers seeking a proven, ready-to-install engine package
• Builders replacing a worn or damaged S14 with a fresh, mapped unit

Purchasing & Enquiries

This BMW S14 2.3-litre race engine is available for immediate sale. The engine has been dyno run and is confirmed ready for installation and competition use. All components listed above are included as part of the package. Inspection is welcomed prior to purchase — dyno data and build records are available on request.

Please contact us directly for pricing and further technical information.