In somewhat an expected move, BMW has released another state of tune for their 4 cylinder TwinPower turbocharged engine series, the N20. Complementing the current "20i" and "28i" guises is the new "25i" guise, which kicks out a familiar 218bhp@5000rpm and 310Nm@1350-4800rpm. In comparison, the "20i" version delivers 184bhp/270Nm while the "28i" version pumps out 245bhp/350Nm.
The N20 is a new series of small capacity engine utilizing its TwinPower turbocharged concept. The engine makes use of twin-scroll turbocharger, high precision injection, Valvetronic and double VANOS. It is part of BMW engine downsizing initiative where the punch of the bigger capacity engine is delivered by forced-fed small capacity engine, while retaining the small engine fuel efficiency.
The engine was launched with the updated BMW 1 series as part of the extended engine availability for the 5 door version of BMW compact hatchback. In this application, the 125i is capable of 6.5 seconds sprint to 100 km/h for the 8-speed automatic version en route to its 243 km/h top speed. Fuel efficiency is quoted as 6.4L/100km and CO2 emission of just 154g/km. It is then just a matter of time before the new F30 325i and F10 525i badge make an appearance!
In a simultaneous move, the 1 Series has been given new diesel engine too. The first one is the 116d EfficientDynamics Edition, while the other one is 125d. The 1.6L 116d ED emits an impressive 99g/km of CO2 and deliver 116bhp@4000rpm and 260Nm@1750-2500 rpm. Diesel consumption is quoted as 3.8L/100km. The performance figure is 10.5 seconds century sprint and 195 km/h top speed. This engine is offered too on F30 316d where performance is quoted slightly differently with 11.3 seconds 100 km/s sprint and 202 km/h of top speed.
Power-hungry environmentalist should however look for 125d. With a petrol-rivalling 218bhp@4400rpm, and V8 rivalling 450Nm of torque delivered between 1500-2500 rpm. The 2.0L turbo-diesel engine is sufficient to sprint the F20 to 100 km/h in 6.5 seconds and a 240km/h of top speed. Fuel consumption is rated at 4.8L/100km and 126g/km of CO2 for the 8 speed automatic version. More after the jump.
BMW has also took the opportunity while updating the F20 1 series engine inventory to introduce the M Sport package for its small hatchback. The M Sport package consists of 10mm lower M Sport suspension with stiffer shocks and sturdier anti-roll bar to sharpen the handling fronts, while customary bumpers and skirting complete the outlook. 17" and 18" M light alloy with staggered tyres are available too.
The interior has been suitably upgraded too. The package consist of components such as aluminium door sill cover strips with M emblem, M leather steering wheel with multifunction buttons, M footrest and M gearshift lever, an M Sport exclusive sports seats with Hexagon Anthracite fabric/Alcantara with contrast stitching in Royal Blue.
For those who fancy in seeing the technology showcase of BMW TwinPower turbo engine,check out the video below which shows all the technology that BMW has at its disposal and how it has been applied to this TwinPower engine, with a transverse application too! Thanks to reader Burn (a loyalist BMW fans with both E34 and E60 currently in his garage) for suggesting the video.