Sleeper cars can come in all shapes and forms, even four-door wagons and luxury coupés.

Alpina's E21 3 Series coupe takes on an estate car with Rolls-Royce leather. Really

Celebrating the BMW M3's coolest bits... in this non-definitive list

It's fast alright, and it'll slide, but did you know it'll reverse itself, and that a cabrio is coming?

510 horsepowers, three litres, two turbos, and a gizmo to compare your best drifts. No, really

BMW releases a prototype M3 wagon into the world, with a short teaser video

Plus, confirmation that it’ll get a 510hp Competition version, and 6spd gearbox option

For the first time, there’ll be an M3 estate, so shall we just complete 'cars' now?

BMW doesn't sell an M5 wagon, so Alpina's alternative is the best way to experience the perfect 325km/h family estate