| BMW P66 (2012-2016) BMW P66/1 (2017-2018) BMW P66/3 (2022-present) | |
|---|---|
| Overview | |
| Manufacturer | BMW Motorsport |
| Production | 2012-2018 and 2022-present |
| Layout | |
| Configuration | V8 naturally aspirated (2012-2018) later twin-turbocharged (2022-present), 90° cylinder angle |
| Displacement | 4.0 L (244 cu in) |
| Cylinder bore | 93 mm (3.66 in) |
| Piston stroke | 73.6 mm (2.90 in) |
| Cylinder block material | Aluminum alloy |
| Cylinder head material | Aluminum alloy |
| Valvetrain | 32-valve (four-valves per cylinder), DOHC |
| Combustion | |
| Turbocharger | Twin (2022-present) |
| Fuel system | Electronic indirect multi-point fuel injection (2012-2018) later 350 bar (5,076 psi) gasoline direct injection (2022-present) |
| Management | Bosch Motronic MS 5.1 |
| Fuel type | Aral Ultimate 102 RON unleaded racing gasoline |
| Oil system | Dry sump. Castrol EDGE Supercar 10W-60 fully synthetic lubricant (2012-2014) later Shell Helix Ultra 0W-40 fully synthetic lubricant (2015-2018) |
| Cooling system | Single water pump |
| Output | |
| Power output | 480 hp (358 kW) (2012-2016) later over 500 hp (373 kW) (2017-2018) @ 7,500 rpm |
| Torque output | Approx. 500 N⋅m (369 ft⋅lbf) |
| Dimensions | |
| Dry weight | 326 lb (148 kg) excluding headers, clutch, ECU, spark box or filters |
| Chronology | |
| Predecessor | BMW M50B25 (I-6) |
| Successor | BMW P48 Turbo (I-4t) |
The BMW P66 Series is a prototype four-stroke 4.0-litre naturally aspirated V8 racing engine, developed and produced by BMW Motorsport in partnership with AC Schnitzer (reassembly, arrangement, preparation, maintenance, trackside support and tune-up) for Deutsche Tourenwagen Masters. BMW P66 Series was unveiled on 18 July 2011 alongside BMW M3 DTM (E92) machine at BMW Welt in Munich, Germany.[1] The BMW P66 Series engine lifespan was only lasted seven years and later permanently retired in 2019 and later restored in 2022 in order to supply engines for BMW M Hybrid V8 LMDh machine.