BMW expands the 5 Series line-up
The 5 Series engine range grows to 11 derivatives with the arrival of the 520i and 528i models for September 2011. Both are powered by a new four-cylinder 2.0-litre petrol engine employing twin-scroll turbocharger technology, high-precision direct fuel injection, VALVETRONIC variable valve control and double-VANOS camshaft control.
The 520i develops 184hp at 5,000rpm and 270Nm of torque in a broad spread from 1250 to 4500rpm, guaranteeing spontaneous response across almost the entire rev band. With the optional automatic gearbox, the average economy of the 520i saloon is 44.1mpg, while CO2 emissions dip below 150g/km. The BMW 520i SE Saloon costs from £31,190 OTR - £1,512 cheaper than the model it replaces – while the Touring is £33,615 OTR.
By increasing the amount of turbo boost and revising the operation of the fuel injection system, the same basic engine is able to produce 245hp from 5,000-6,500rpm and 350Nm across 1,250-4,800rpm for the 528i. Six-cylinder performance, zero to 62mph in just 6.2 seconds for the manual saloon, is therefore feasible with four-cylinder fuel efficiency: 43.5mpg and a CO2 output of 152g/km with automatic transmission. The BMW 328i SE Saloon cost from £33,610 OTR and the Touring is £36,165 OTR.
In the 525d, a new four-cylinder 2.0-litre twin-turbo engine replaces the single-turbo six-cylinder 3.0-litre unit. The new engine generates 218hp at 4,400rpm and 450Nm of torque from 1,500-2,500rpm, sufficient to improving acceleration while reducing fuel consumption by up to 20 per cent. The BMW 525d SE Saloon costs from £35,135 OTR and the Touring £37,560 OTR.
Extensive modifications to the six-cylinder twin-turbo diesel engines in the 530d and 535d, both featuring variable turbine geometry, have produced increases in power and torque while at the same time achieving greater fuel efficiency. The fuel consumption of the 530d is around 13 per cent better, while the 535d now has a power output of 313hp. These models are now priced from £38,780 OTR and £44,290 OTR respectively for the Saloon and £41,190 OTR and £46,600 OTR for the Touring.
The final 5 Series engine addition for September sees the 407hp 4.4-litre twin-turbo V8 from the 550i flagship saloon and 550i GT become available in the Touring for the first time. A BMW 550i Touring starts at £54,680 OTR.
http://paultan.org/2011/07/02/f10-bmw-5-series-gets-new-2-0l-turbocharged-inline-4/