A measured response.

High Precision Injection and Turbocharger in the
BMW TwinPower Turbos BMW 535i and BMW 550i.

Two milligrams of petrol – that's how precise the High Precision Injection (HPI) controls the fuel-air mix. The dosage of the fuel injected is precisely ensured by the piezo injectors with only part of the combustion chamber being filled under lower partial loads. For the first time, the supply of fresh air is controlled in the BMW 535i by Valvetronic. Thanks to the TwinScroll Turbo, it is now possible for the straight six-cylinder engine in the BMW 535i to provide a supreme standard of power and performance previously only conceivable with far larger engines. In the BMW TwinPower Turbo eight-cylinder petrol engine in the BMW 550i, this role is fulfilled by the two turbochargers – both innovative solutions that dramatically lower fuel consumption and CO2 emissions while ensuring impressive performance.

Fuel consumption / CO2 emissions

Figures for BMW 535i
Fuel consumption
Combined: 8.9 l/100 km
Urban: 12.3 l/100 km
Extra-urban: 6.9 l/100 km
CO2 emissions combined: 209 g/km

Figures for BMW 535i xDrive
Fuel consumption
Combined: 9.3 l/100 km
Urban: 12.8 l/100 km
Extra-urban: 7.2 l/100 km
CO2 emissions combined: 216 g/km

Figures for BMW 550i
Fuel consumption
Combined: 11.2 l/100 km
Urban: 16.2 l/100 km
Extra-urban: 8.3 l/100 km
CO2 emissions combined: 263 g/km

Figures for BMW 550i xDrive
Fuel consumption
Combined: 11.8 l/100 km
Urban: 16.9 l/100 km
Extra-urban: 8.8 l/100 km
CO2 emissions combined: 275 g/km

The figures for fuel consumption and CO2 emissions depend on the wheel and tyre sizes selected.

Further information about the official fuel consumption and the official specific CO2 emissions for new passenger automobiles can be found in the "New Passenger Vehicle Fuel Consumption and CO2 Emission Guidelines", which are available free of charge at all sales outlets and from DAT Deutsche Automobil Treuhand GmbH, Hellmuth-Hirth-Str. 1, 73760 Ostfildern, Germany.