Citroen Cactus concept car (2013): the first bubble-wrap, bump-free car

French car firm Citroen has enjoyed some success with its range of upmarket DS models – but now it’s turning its attention to the bread-and-butter C-line cars. And the new 2013 Citroen Cactus concept car is the first look at what’s in store for the mainstream Citroen car range. The Citroen Cactus immediately stands out from the crowd of same-again European crossovers because of its novel Airbump system: think of protective bubble-wrap on the doors and bumpers to protect them from scrapes and dings in car parks and you’re not far from the truth.

New BMW 1-series bows with turbo four-cylinder power across the lineup

Meet the next-generation BMW 1-series. The upcoming baby Bimmer will sport all twin-scroll turbocharged four-cylinder engines burning either gasoline or diesel, hauling around a car that's grown in every dimension except height. BMW also is expanding its use of eight-speed automatic transmissions to the 1-series lineup and making the BMW EfficientDynamics technology package standard.

Mercedes fixes diesel injector problems

Mercedes say that a new injector system for C Class and E Class diesels with the OM651 engine have now been fixed. So extensive was the problem that many owners were waiting months for their cars to be fixed as Mercedes struggled with a mounting pile of broken cars and injectors that were failing. Mercedes tell us that the problem was fixed with the release of new injectors later in 2010, but Cars UK readers have continued to complain about their cars needing multiple visits to dealers with injectors failing multiple times (that original story garnered more than 500 comments from disgruntled Mercedes owners).