BMW M3 S65 4.0L V8 Engine – Complete OEM Motor | Fits 2008–2013 E90, E92, E93 | 113,000 Miles

Description

BMW M3 S65 4.0L V8 Engine – Complete OEM Motor | Fits 2008–2013 E90, E92, E93 | 113,000 Miles

Restore the soul of your BMW M3 with this legendary BMW S65 4.0L V8 complete engine assembly, removed from a running M3 with 113,000 miles (approx. 182,000 km). Designed specifically for the 2008–2013 M3 E90 (sedan), E92 (coupe), and E93 (convertible), the S65 engine is a naturally aspirated, high-revving powerhouse inspired by BMW’s Formula 1 program.

This complete motor is perfect for enthusiasts, workshops, and rebuilders looking for an authentic, OEM replacement to restore factory performance or power a high-end swap project. Inspected, compression-tested, and ready for installation, this engine retains its iconic character and mechanical integrity.

🔧 Product Overview

This listing is for a complete used S65B40A 4.0L V8 engine, removed from a 2011 BMW M3 E92 Coupe. The engine is designed to deliver 414 horsepower (309 kW) at a thrilling 8,300 RPM redline, and features advanced technologies such as individual throttle bodies, double-VANOS variable valve timing, and a lightweight aluminum block.

The S65 is BMW M Division’s last naturally aspirated engine, and it remains one of the most iconic V8s in modern motorsport history. This engine has been tested and verified for compression, and is in good condition for its mileage.

✅ Key Features

• Engine Code: S65B40A

• Displacement: 4.0L / 3999 cc

• Configuration: V8 / DOHC / 32-valve

• Fuel System: Sequential multi-point injection

• Induction: Naturally aspirated

• Fuel Type: Petrol (Gasoline)

• Redline: 8,400 RPM

• Horsepower: 414 HP (309 kW) @ 8,300 RPM

• Torque: 400 Nm (295 lb-ft) @ 3,900 RPM

• Mileage: 113,000 miles (approx. 182,000 km)

• Condition: Used OEM – compression-tested and inspected

• Donor Vehicle: 2011 BMW M3 E92 Coupe (automatic)

📦 What’s Included

This is a complete engine assembly, which includes the following components (as removed from donor vehicle):

• Engine block and rotating assembly (crankshaft, pistons, rods)

• Cylinder heads with cams, valves, VANOS units

• Individual throttle bodies and plenum

• Timing system and valve covers

• Oil pan and oil pump

• Ignition coils and spark plugs (if attached)

• Fuel rails and injectors

• Sensors and solenoids (as present)

• Partial engine wiring harness (if attached)

• Engine mounts (if included)

Not included unless stated: ECU/DME, starter, alternator, AC compressor, power steering pump, transmission. Please verify with listing photos or contact us for exact contents.

📌 Fitment Guide

This S65 engine is a direct replacement for the following BMW M models:

• 2008–2011 BMW M3 E90 (Sedan)

• 2008–2013 BMW M3 E92 (Coupe)

• 2008–2013 BMW M3 E93 (Convertible)

Transmission Compatibility: Manual or DCT – this engine was removed from a DCT-equipped vehicle, but is compatible with manual models (hardware may vary).

Chassis Codes:

• E90 (4-door M3)

• E92 (2-door coupe M3)

• E93 (convertible M3)

Engine Code: S65B40A – always confirm via VIN or engine tag for compatibility.

🛠️ Installation Notes

• Professional installation is required, ideally by a BMW M-certified technician

• Replace all gaskets, seals, fluids, and wearable components (e.g., rod bearings, if not yet done)

• ECU reprogramming or synchronization may be required if reusing your original control unit

• Inspect and/or replace throttle actuators and idle control valve, as they are known wear points on this engine

• Ensure proper break-in if major components are replaced or reassembled