BMW S14 2.3L Engine – E30 M3 (1989)
Presented here is a BMW S14 2.3-liter inline-four engine, reportedly removed from a 1989 BMW E30 M3 acquired by the seller about one year ago. This powerplant represents one of BMW M’s most iconic naturally aspirated engines, originally developed from the M10 architecture and refined with M88 racing technology for the legendary M3.
The S14 features a cast-iron block paired with an aluminum 16-valve cylinder head and dual overhead camshafts, delivering a factory-rated 192 horsepower and 170 lb-ft of torque. This particular example is visually distinguished by its gold crinkle-finished valve cover and intake plenum, both bearing the signature “BMW M Power” lettering — a rare and striking detail for collectors or restorers seeking a standout presentation.
It comes complete with a Bosch Motronic ECU, wiring harness, four-into-two exhaust manifold, and a full set of ancillaries, making it a well-equipped unit for restoration or performance conversion projects.
Technical Specifications
Engine Code: BMW S14B23
Displacement: 2.3 liters (2,302 cc)
Configuration: Inline-four (I4)
Valvetrain: Dual Overhead Camshafts (DOHC), 16 valves
Block Material: Cast iron
Cylinder Head Material: Aluminum alloy
Induction System: Individual throttle bodies with “BMW M Power” intake plenum
Fuel Management: Bosch Motronic
Factory Output (E30 M3 Spec):
192 hp @ 6,750 rpm
170 lb-ft @ 4,750 rpm
Included Components
BMW S14 2.3L inline-four engine
Gold crinkle-finished “BMW M Power” valve cover and intake plenum
Bosch Motronic control module (ECU)
Complete wiring harness
Four-into-two exhaust manifold
Flywheel and clutch assembly
Alternator
Distributor
Power steering pump
Air conditioning compressor
Assorted brackets and ancillary hardware
Condition
Removed from a 1989 E30 M3 approximately one year ago
Visually complete with key accessories and electrical components included
Gold-finished top end in excellent visual condition
Suitable for E30 M3 restoration, period-correct performance build, or collector display
Compatibility
Direct fit: BMW E30 M3 (1986–1991)
Potential applications: BMW 2002, E21, or E28 conversions (with modification)
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Álvaro Romero (verified owner) –
The replacement transmission was exactly as described. After installation, the car shifts smoothly, and there haven’t been any issues at all.
Henri Bousquet (verified owner) –
Les pièces correspondent parfaitement aux photos publiées sur le site. Aucune mauvaise surprise à la réception.
Leo Edwards (verified owner) –
I appreciated how the support team confirmed compatibility before shipping. Their professionalism gave me confidence that I was ordering the correct parts.
Sebastien Perrier (verified owner) –
Les jantes sont encore plus belles en vrai que sur les photos. Elles sont parfaitement équilibrées et la finition est irréprochable.
Damien Fontaine (verified owner) –
Mon garagiste m’a confirmé que toutes les pièces correspondaient aux spécifications d’origine. Cela a considérablement facilité le montage.
Felipe Mendoza (verified owner) –
I ordered several maintenance parts along with brake pads, and everything arrived together in perfect condition. Very organized and professional service.
Ryan Cooper (verified owner) –
The replacement bumper arrived well protected with no scratches or dents. My body shop commented on how well it fit compared to many aftermarket parts they’ve installed.
Rachel Bennett (verified owner) –
If you’re looking for dependable BMW parts, this is definitely a company you can trust. The combination of quality products, knowledgeable support, fair pricing, and reliable shipping keeps me coming back whenever I need parts for my BMW.
Kelsey Turner (verified owner) –
Customer support went above and beyond to help me locate a hard-to-find engine for my BMW. The entire experience was professional from beginning to end.
Leonardo Navarro (verified owner) –
Great buying experience from start to finish. The team verified compatibility using my VIN, which gave me confidence before ordering.
Stephane Picard (verified owner) –
Les photos du site correspondent exactement aux produits reçus. Aucune mauvaise surprise à la livraison.
Clement Delmas (verified owner) –
Le kit carrosserie donne un aspect beaucoup plus sportif à ma BMW. Les ajustements sont excellents et la finition est remarquable.
Martin Hughes (verified owner) –
Finding reliable BMW parts online isn’t always easy, but this company delivered exactly what was promised.
Aaron Lawson (verified owner) –
Every part I ordered matched the factory specifications perfectly. It made installation much easier than I anticipated.
Charlie Foster (verified owner) –
The engine I received was in excellent condition. My mechanic inspected it before installation and was impressed with its cleanliness and overall quality.
Jerome Caron (verified owner) –
Les photos du site correspondent exactement aux produits reçus. Aucune mauvaise surprise à la livraison.
Thomas Renault (verified owner) –
Le service client m’a aidé à identifier la bonne référence grâce au numéro VIN. Cela m’a évité une erreur de commande.
Jean Dupont (verified owner) –
Le moteur est arrivé dans un excellent état. Après plusieurs semaines d’utilisation, aucun souci à signaler. Je suis très satisfait.
Salvador Navarro (verified owner) –
The brake pads were exactly what I needed. Installation was quick, braking performance feels excellent, and there has been no excessive brake dust or noise.
Bernard Moulin (verified owner) –
Le service client m’a aidé à identifier la bonne référence grâce au numéro VIN. Cela m’a évité une erreur de commande.
Jacob Mitchell (verified owner) –
The engine I received was in excellent condition. My mechanic inspected it before installation and was impressed with its cleanliness and overall quality.
Jason Marshall (verified owner) –
Very satisfied with my purchase. The transmission performs smoothly, and the installation process was straightforward thanks to the accurate description.
Adrien Blanc (verified owner) –
Je cherchais un fournisseur fiable pour des pièces BMW et je suis ravi d’avoir trouvé cette boutique. Tout est conforme aux descriptions.
Oliver Bennett (verified owner) –
Every part I’ve purchased has matched the product description exactly. It’s refreshing to deal with a company that delivers what they advertise.
Michael Carter (verified owner) –
The alloy wheels completely refreshed the appearance of my BMW. They fit perfectly and have received many compliments already.
Gerardo Solís (verified owner) –
I ordered a rear bumper and was pleasantly surprised by the build quality. The material feels durable, and installation was straightforward.
Thierry Colin (verified owner) –
Après plusieurs centaines de kilomètres, le moteur fonctionne toujours parfaitement. Je suis entièrement satisfait de cet achat.
Jean Dupont (verified owner) –
Les photos du site correspondent exactement aux produits reçus. Aucune mauvaise surprise à la livraison.
Michael Carter (verified owner) –
I ordered both front and rear bumpers, and the fitment was excellent. The quality of the materials is very impressive.
Claire Dawson (verified owner) –
Very satisfied with my purchase. The transmission performs smoothly, and the installation process was straightforward thanks to the accurate description.
Adrien Blanc (verified owner) –
Les pièces sont de très bonne qualité et les prix restent compétitifs par rapport aux fournisseurs en France.