BMW M3 V8 Engine production ( S65 B40)

S65B40, 3, 999 cc (244 cu in), Power 309 kW (414 hp) 8300 Torque 400 Nm (300 lbft) 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 DoubleVANOS variable valve timing system and compression ratio. A conventional wetsump lubrication system with two oil pumps replaces the threepump dry sump system used on the V10, further decreasing weight. The alternator d