► BMW M3 V8 Engine production (S65B40)

S65B40 /3,999 cc (244 cu in)/ Power 309 kW (414 hp) @ 8300 Torque 400 N·m (300 lb·ft) @ 3900/ Redline 8400/ Year 2007 Bore 92mm/ Stroke . The S65 shares the same 92 mm (3.6 in) bore and 75.2 mm (3.0 in) stroke cylinder dimensions with the S85 V10, along with the Double-VANOS variable valve timing system and 12.0:1 compression ratio. A conventional wet-sump lubrication system with two oil pumps replaces the three-pump dry sump system used on the V10, further decreasing weight. The alternator d