


Very loud noise - half way between a boom & a twang.
Handbrake cable snapped? No - wasn't on and works OK
Been tail ended? No - no-one behind me

FAP system halfway through a regen


Noise seemed to come from under / behind my seat, (flatulence also eliminated b4 u ask).
Car was already stopped when it happened.
Wasn't listening to Wogan, (though I admit I had been 5 minutes earlier).
Any ideas

Experienced something vaguelly similar with HDi 90 cistern when re-starting hot - 1st time I let go of key just before engine fired, got a smaller bang when she fired up 2nd time
