Well I've had 2 weeks leave and came back on nights. When I'd managed to read all me e-mails and do all the paperwork, the only BMW left in the yard was the eldest of our fleet, '60 plate 5 series tourer. No one likes driving this one as it is the 'runt' of the litter and runs like an asthmatic smoking 100 a day. Had it back to HQ several times for various faults since we've had it, DPF's inlet manifold problems, injector issues. Its a bit of a friday afternoon car to be honest.
Well I begrudgingly took it out for the night and OMG

dunno what the mechanics have done to it but it goes like $h1t off a shovel

Put me foot down and nearly snapped me neck with the whiplash. It pulls like a train & drives like a BM should, I was amazed it didn't feel like the same car it was before. There was no smoking at idle, and it was as quiet as a mouse, I was very impressed. I got back into the office a few hours later and asked if anyone else had experienced this marvel to be told it had only just come back from the dealers where it had been for the last 10 days. I dunno what they did but WOW!!!