How very BMW. The new ActiveHybrid 7 – Munich's name for its petrol-electric hybrid 7-series – is very much lodged at the top of the Seven family tree. Not for BMW to launch a sackcloth and sandals 7-series hybrid; this one sports a 4.4-litre V8, not one but two turbochargers and a 0-60mph sprint claim to worry many Porsches.We lost count of the number of times BM execs stood up at the press