BMW’s seventh-generation 3 Series sedan will introduce a new platform along with plug-in hybrids, enhanced driving dynamics and new technologies when it goes on sale next March.

The seventh-generation BMW 3 Series sedan

Popular with both fleet and retail buyers – it’s the most successful BMW to date – the new model marks one of the biggest unveilings at this year’s Paris Motor Show. It’s built on the same platform as the X3 and 5 Series, and is longer and wider with an extended wheelbase that brings extra cabin space while boot capacity is also up by 36 litres in real terms. It also weighs up to 55kg less than its predecessor, helped by the use of aluminium, and introduces different styling under a new design language along with an updated cabin, including a new central instrument cluster with screen size increased from 2.7 to 5.7 inches and Control Display with screen up from 6.5 to 8.8 inches.

Depending on the market, six engine variants will be available from launch, covering four-cylinder petrol models, four-cylinder diesels, plus a six-cylinder diesel unit. Outputs range from 150hp to 265hp with official combined fuel consumption of 5.8-4.2 l/100 km and CO₂ emissions 112-132g/km.

Intelligent all-wheel drive will be available from launch in the BMW 320d xDrive Sedan, which offers combined fuel consumption of 4.8-4.5 l/100 km with combined CO₂ emissions combined of 118-125g/km. A BMW M Performance version will arrive later along with a plug-in hybrid model.

New technologies include the BMW Intelligent Personal Assistant, which learns routines and habits, and can respond to commands, for example to lower the music, and even provide casual conversation.

The latest model also brings an expanded range of digital services from BMW Connected and BMW ConnectedDrive: Remote Software Upgrade keeps the car up-to-date. Parking Space Assistant makes looking for a free spot easier and there’s a BMW Digital Key for accessing the car and starting the engine via smartphone.