Radio Amplifier 2006 Saab 9-3, Station Wagon, 12757370 on 2040-parts.com

Why the BMW M4 is better than the M3 V8 (2013)

It’s no exaggeration to say that the turbocharged engine in the upcoming BMW M3 (saloon) and M4 (coupe) models is one of the most important engines ever produced by BMW’s M Division. No, it’s not the first turbo lump the performance off-shoot has built – you'll probably know we’ve already had the X5/X6M mutants plus the brilliant 1M and M5 and M6 – but it is the first turbo ever to slot in a production M3, the car that personifies BMW’s iconic performance sub brand, which itself has always been defined by high-revving, naturally aspirated engines. All of this explains why M’s engineers have cut their teeth on other engines first before plucking up the courage to develop the M3/M4 turbo while turning their backs on the outgoing E92 M3’s exceptional V8.

One Lap of the Web: Classic Mustang road trip, V4 engines and the flaming Viper

-- In honor of the Ford Mustang and it's upcoming 50th anniversary, Hagerty is taking a cross-country trip in a 1964.5 Mustang coupe. The car is solid but not exactly show-worthy, plus it has a three-speed manual transmission. In other words, all the ingredients for a really long road trip.

Government sets drug-drive limits

Plans to introduce a drug-drive limit have edged closer as limits for 16 different drugs have been approved. Eight prescription and eight illicit drugs have been added to the regulations which will be introduced this autumn, meaning it’ll be an offence to be over the prescribed limits. Police ‘spitalyser’ to catch drug-drivers Young people in drug-driving shock Police will be clamping down on people who drive after taking drugs such as cannabis with a limit of 2 micrograms per litre (mcg/l), cocaine (10mcg/l) and ecstasy (10mcg/l) – while people who take prescription drugs like morphine (80mcg/l) and diazepam (550mcg/l) will also have to be careful not to break the limit.