Buy BMW S65 Engines Online
The BMW S65 is a legendary naturally aspirated 4.0L V8 engine, found in the E90/E92/E93 M3 (2008-2013) and the E82 1M Coupe (limited edition). Known for its high-revving character, F1-inspired engineering, and thrilling exhaust note, the S65 is a favorite among BMW enthusiasts and track-day drivers.
Why Buy a BMW S65 Engine?
✔ 414 HP & 295 lb-ft torque – Instant throttle response & linear power delivery
✔ 8,400 RPM redline – One of BMW’s last high-revving NA engines
✔ Lightweight construction – Aluminum block & magnesium components
✔ Durable internals – Forged crankshaft, connecting rods, and pistons
✔ Perfect for swaps – Fits E46 M3, E36, and other BMW chassis with modifications
BMW S65 Engine Specifications
| Specification | Details |
|---|---|
| Engine Code | S65B40 |
| Displacement | 4.0L (3,999 cc) |
| Configuration | 90° V8, Naturally Aspirated |
| Horsepower | 414 HP @ 8,300 RPM |
| Torque | 295 lb-ft @ 3,900 RPM |
| Redline | 8,400 RPM |
| Valvetrain | DOHC, 32-valve, Dual VANOS |
| Block Material | Aluminum |
| Induction | Individual throttle bodies |
| Fuel System | Direct injection |
| Applications | E90/E92/E93 M3 (2008-2013), E82 1M Coupe |
Common BMW S65 Upgrades & Mods
- Performance Exhaust – Enhances the V8’s iconic sound
- ECU Tune – Optimizes throttle response & power
- Carbon Fiber Intake – Improves airflow for better high-RPM performance
- Rod Bearings Upgrade (Preventative maintenance for longevity)
- Supercharger Kits (Forced induction for 500+ HP)
Buy with Confidence – Fully Inspected S65 Engines
- Low Mileage Options – Many under 60K miles
- Compression & Leak-Down Tested – Ensures perfect condition
- Warranty Available – Protect your investment
- Complete Engine Packages – Includes wiring harness, ECU, and accessories (optional)
- Fast US Shipping & Expert Support
Looking for an S65 Engine Swap?
The BMW S65 V8 is a popular choice for:
- E46 M3 engine swaps (for more power & modern reliability)
- E36 track builds (with custom mounts & tuning)
- Restoring E9X M3s (keeping the original engine specs)
Order Your BMW S65 Engine Today!
Ready to upgrade? Browse our in-stock S65 engines with verified mileage and condition reports.
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