BMW S14 Engine & Getrag 5-Speed Gearbox | Rebuilt 2.3L Inline-Four | E30 M3 | Complete Package
Offered for sale is a BMW S14 2.3-liter inline-four engine paired with a Getrag five-speed manual gearbox, originally from a BMW E30 M3. This example was professionally rebuilt between 2016 and 2018 before being acquired by the current owner in February 2022.
The BMW S14 is a motorsport-derived, high-revving four-cylinder engine developed for the iconic E30 M3, featuring a cast-iron block, aluminum 16-valve cylinder head, dual overhead camshafts, and individual throttle bodies. This listing includes all major ancillaries, wiring, differential, and spare components — an exceptional complete setup ideal for restoration, race projects, or period-correct E30 M3 builds.
Technical Specifications
| Specification | Details |
|---|---|
| Engine Code | BMW S14B23 |
| Configuration | Inline-4, Naturally Aspirated |
| Displacement | 2,302 cc (2.3 Liters) |
| Block Material | Cast Iron |
| Cylinder Head | Aluminum, 16-Valve DOHC |
| Valvetrain | Dual Overhead Camshafts |
| Induction | Individual Throttle Bodies (46mm) |
| Fuel Management | Bosch Motronic ECU |
| Transmission | Getrag 5-Speed Manual |
| Rebuild Period | 2016–2018 |
| Drivetrain | Rear-Wheel Drive |
| Condition | Rebuilt, Stored Indoors, Excellent Mechanical State |
Included Components
Engine & Drivetrain
BMW S14 2.3L inline-four rebuilt 2016–2018
Cast-iron block with aluminum 16-valve DOHC cylinder head
Black crinkle-finished intake plenum with “BMW M Power” lettering
46mm throttle body, intake and exhaust camshafts
Four-into-two exhaust manifold and VAC Motorsports engine mounts
Samco Sport silicone hoses, cooling lines, and associated hardware
Transmission & Driveline
Getrag 5-Speed manual gearbox, aluminum casing
Used clutch assembly
Driveshaft and rear differential (4.10:1 gear ratio)
VAC Motorsports transmission mounts and lower transmission cover
Electrical & Management
Bosch Motronic ECU (engine control module)
Complete wiring harnesses for ECU and ignition system
Distributor and alternator assemblies
Additional Parts & Spares
Upper and lower oil pans (spare set)
Cooling hoses and fittings
E30 M3 steering rack
Assorted motor mounts, brackets, and hardware
Condition & History
Engine professionally rebuilt from 2016–2018 with new internal components
Removed from an E30 M3 in running condition
Stored indoors since rebuild, properly preserved
Gearbox and clutch in functional condition
Includes comprehensive ancillaries and spare components, ideal for plug-and-play installation in compatible chassis or rebuild projects
Compatibility
BMW E30 M3 (direct fit)
BMW 2002, E21, E30 chassis (custom swap applications)
Period-correct BMW race builds and vintage rally projects
The S14 engine is BMW Motorsport’s legendary four-cylinder powerplant, derived from the M10 block and M88 head architecture. Its high-revving character, reliability, and racing heritage made it the heart of the E30 M3 Group A touring car — one of BMW’s most successful motorsport platforms.
A rebuilt example with a matching Getrag 5-speed, ECU, wiring, and differential is rarely offered in such complete condition, making this a prime opportunity for collectors, restorers, and enthusiasts seeking authenticity and performance.
BMW S14B23 2.3L Engine & Getrag 5-Speed Manual Gearbox, rebuilt 2016–2018, complete with ECU, wiring, clutch, differential, driveshaft, and spares.
Ideal for E30 M3 restorations, high-performance classic builds, or motorsport applications, representing an authentic piece of BMW M Power heritage.
Emmanuel Leduc (verified owner) –
L’équipe est très réactive et prend le temps de répondre aux questions techniques avant la commande. C’est vraiment appréciable.
Jason Marshall (verified owner) –
The replacement hood fit perfectly with minimal adjustments. My body shop finished the installation much quicker than expected.
David Sullivan (verified owner) –
The replacement wheels fit perfectly and required no additional modifications. The finish still looks fantastic after several weeks of daily driving.
Pierre Dubois (verified owner) –
J’ai commandé plusieurs pièces pour l’entretien de ma BMW et tout était conforme à la commande. Je n’hésiterai pas à recommander sur ce site.
Neil Harrison (verified owner) –
I purchased several suspension and brake components together, and every single part matched perfectly. It made the repair process much easier.
Henry Brooks (verified owner) –
I appreciated how the support team confirmed compatibility before shipping. Their professionalism gave me confidence that I was ordering the correct parts.
Vincent Renard (verified owner) –
Le moteur est arrivé dans un excellent état. Après plusieurs semaines d’utilisation, aucun souci à signaler. Je suis très satisfait.
Alexis Hubert (verified owner) –
Les ailes avant sont parfaitement identiques aux pièces d’origine. Très bonne qualité de fabrication.
Bastien Renault (verified owner) –
Le moteur est arrivé prêt à être installé. Mon mécanicien a confirmé qu’il était en excellent état mécanique.
Antonio Cabrera (verified owner) –
Shipping was faster than expected, and the packaging was excellent. Even the larger body panels arrived without any damage.
Emilio Serrano (verified owner) –
I was impressed with how securely everything was packaged. Every part arrived in perfect condition, and shipping was much faster than expected.
Louis Martin (verified owner) –
Le service après-vente est très réactif. Ils ont répondu à toutes mes questions même après la réception de la commande.
Victor Girard (verified owner) –
J’ai commandé un moteur de remplacement pour ma BMW Série 3 et tout s’est déroulé parfaitement. Le moteur est arrivé bien emballé, conforme à la description, et mon garagiste l’a installé sans aucune difficulté. La voiture roule comme au premier jour.
Benjamin Ward (verified owner) –
This has become my preferred supplier for BMW parts. Reliable service, quality products, competitive pricing, and professional communication make every purchase a smooth experience.
Lauren Mitchell (verified owner) –
I’ve recommended this company to several friends because every order I’ve placed has been accurate, professionally packaged, and delivered on time.
Bastien Renault (verified owner) –
Mon garage a installé le moteur en une journée seulement grâce à la parfaite compatibilité des pièces.
Matthew Collins (verified owner) –
The brake components fit perfectly and provide excellent stopping power. Everything feels solid and reliable.
Adrien Blanc (verified owner) –
Très bonne expérience d’achat. Les réponses du service client étaient rapides et précises, ce qui m’a permis de commander en toute confiance.
Kyle Roberts (verified owner) –
Fast processing, secure shipping, and excellent quality parts. It’s refreshing to find an online supplier that delivers exactly what they promise.
Tyler Harrison (verified owner) –
I ordered a complete set of brake pads and rotors, and the difference was noticeable immediately. Quiet braking, excellent stopping power, and easy installation.
Benjamin Ward (verified owner) –
The front bumper fit perfectly on my BMW 3 Series. Every mounting point lined up correctly, and the finish was excellent. It saved my body shop a lot of installation time.
Sophia Bennett (verified owner) –
Excellent communication throughout the entire process. Every question I asked was answered quickly, and shipping updates were provided until delivery.
Damien Fontaine (verified owner) –
Le kit carrosserie a complètement changé l’apparence de ma BMW. Les finitions sont soignées et le résultat est très professionnel.
Pascal Boucher (verified owner) –
Les jantes sont magnifiques et de très bonne qualité. Elles correspondent exactement aux photos du site et donnent un nouveau look à ma voiture.
Oliver Bennett (verified owner) –
The quality of the body panels is outstanding. Even my body shop commented on how well everything aligned during installation.
Luc Moreau (verified owner) –
Les jantes donnent un nouveau style à ma BMW. Elles sont robustes, bien finies et faciles à monter.
Archie Turner (verified owner) –
The replacement fender was an exact match for my original one. My body shop had no trouble fitting it, and the final result looks factory installed.
Javier Cárdenas (verified owner) –
Customer support was incredibly helpful in confirming the correct part numbers before I placed my order. Their attention to detail saved me from ordering the wrong parts.
Cristóbal Fuentes (verified owner) –
Ordered front fenders for my BMW after an accident, and the fitment was outstanding. My body shop had no issues during installation, and the paint matched beautifully.
Florian Perrot (verified owner) –
Le moteur est arrivé prêt à être installé. Mon mécanicien a confirmé qu’il était en excellent état mécanique.
Juan Mendoza (verified owner) –
Ordered front fenders for my BMW after an accident, and the fitment was outstanding. My body shop had no issues during installation, and the paint matched beautifully.