Original BMW S14 engine developed for the iconic BMW M3 E30, built to motorsport specifications for rally and circuit (Rundstrecke) use. This high-performance inline-4 engine is engineered for racing applications, delivering sharp throttle response, high-revving capability, and lightweight construction. Equipped with carbon components, it is ideal for competitive motorsport builds or high-end restoration projects. The engine is in excellent condition with only 38,000 miles on it and comes with a 1 year warranty.
Specifications:
Engine code: S14
Engine type: 2.3L – 2.5L naturally aspirated petrol (motorsport specification)
Displacement: 2302 – 2467 cc (depending on build)
Configuration: Inline 4-cylinder (DOHC, 16-valve)
High-performance racing setup with upgraded internals
Power output: approx. 200 – 300+ HP (build dependent)
Lightweight carbon components included
Compatibility:
Suitable for BMW M3 (E30)
Designed for rally, track, and motorsport applications
Compatible with vehicles produced between 1986 – 1991
Features:
Motorsport-built S14 engine for rally and circuit racing
High-revving performance with race-tuned internals
Lightweight carbon components for improved power-to-weight ratio
Enhanced throttle response and engine efficiency
Ideal for professional racing builds or collector-grade restorations
Perfect for motorsport enthusiasts, racing teams, or collectors, this S14 engine offers authentic BMW M racing heritage with performance-focused engineering and lightweight construction.
Peter Rogers (verified owner) –
The performance is consistent and reliable.
Jonathan King (verified owner) –
The engine delivers consistent power across all speeds.
Robert Smith (verified owner) –
Excellent craftsmanship and attention to detail.
Charles Rodriguez (verified owner) –
Very satisfied with the quality and power.
Carl Bailey (verified owner) –
Smooth idle and powerful acceleration.
Juan Patterson (verified owner) –
No issues since installation, runs perfectly.
Nicole Graham (verified owner) –
The sound is clean and refined.
Stephanie Griffin (verified owner) –
My BMW feels brand new again after installing this engine.
Timothy Sanchez (verified owner) –
Very impressed with the durability and performance.
Rachel Woods (verified owner) –
Everything works exactly as it should.
Charles Rodriguez (verified owner) –
Great product for restoring performance.
Gabriel Hughes (verified owner) –
The build quality is excellent and feels very solid.
Henry Stewart (verified owner) –
Smooth idle and powerful acceleration.
William Brown (verified owner) –
Very satisfied with the overall performance.
Ronald Harris (verified owner) –
The engine delivers consistent power across all speeds.
Olivia West (verified owner) –
Excellent craftsmanship and attention to detail.
Andrew Moore (verified owner) –
No leaks or issues after installation.
Kevin Lee (verified owner) –
Smooth idle and powerful acceleration.
Joe Watson (verified owner) –
Feels like a factory-new engine.
Arthur Ward (verified owner) –
My BMW feels brand new again after installing this engine.
Patrick Turner (verified owner) –
Excellent craftsmanship and attention to detail.
Angela Ford (verified owner) –
The power increase is noticeable right away.
Nicole Graham (verified owner) –
The engine runs cool and efficiently.
Brian Perez (verified owner) –
My BMW feels brand new again after installing this engine.
Billy Bennett (verified owner) –
Great upgrade for better performance and reliability.
Frank Carter (verified owner) –
Very impressed with the power output and responsiveness.
Albert Sanders (verified owner) –
Great upgrade for better performance and reliability.
Gerald Cox (verified owner) –
The performance is stable and dependable.
Juan Patterson (verified owner) –
Great value for such a high-quality engine.
Rachel Woods (verified owner) –
Very impressed with the durability and performance.
Jessica Simmons (verified owner) –
The engine delivers consistent power across all speeds.
Benjamin Baker (verified owner) –
Great performance upgrade with noticeable power gains.