G-Power’s performance software upgrade increases engine power and the top speed to 205 mph. The G4M also has downpipes with ...

We hope it doesn't, as this imagined model looks like it came from a dystopian future. But what if it does? Would you buy it?

Our first foray into Dinan’s latest iteration of tuned BMWs came in the form of an M4 Competition xDrive fitted with CarBahn’s mid-level CB3 performance package. As-is, the BMW M4 Competition ...

BMW tuner AC Schnitzer revealed its modified BMW M4 at the 2014 Essen motor show. Receiving a new engine map and body modifications, the hardened Beemer gains 78bhp and sits on uprated performance ...

that offers installation. Driving a CarBahn-tuned BMW M4 Competition xDrive. Recently, we had the opportunity to drive a BMW M4 Competition xDrive sporting CarBahn’s CB3 Signature Package—a ...

It is quite tricky to write about BMW's new-gen M3 and M4 (and other models ... and is something quite extraordinary from a tuning perspective. The first thing that stands out is the new hand ...

From the November/December 2024 issue of Car and Driver. We're aging and, at times, forgetful. Deep within our lateral-g-scrambled heads filled with boost pressures and quarter-mile times are ...

Driving a CarBahn-tuned BMW M4 Competition xDrive. CarBahn’s CB3 Signature Package turns the BMW M4 Competition xDrive into a carbon-fiber-clad tour de force. The 3.0-liter, twin-turbo inline-six ...

Chassis-wise, the CB3-modified BMW M4 sports a set of specially tuned coilover springs, along with bigger anti-sway bars, a beefier carbon-fiber strut brace under the hood, stiffer adjustable toe ...

Driving a CarBahn-tuned BMW M4 Competition xDrive. CarBahn’s CB3 Signature Package turns the BMW M4 Competition xDrive into a carbon-fiber-clad tour de force. The 3.0-liter, twin-turbo inline ...