Wind deflector for car / caravan

Toggles
Toggles Forum Participant Posts: 1
edited February 2012 in Towcars & Towing #1

Can anyone with first hand knowledge tell me if a wind deflector will stop slight chugging and give higher MPG together with increased stability.  I have a BMW 520d 2 litre diesel estate and a 2012 Baily Rimini 1500 kilo max weight on the road.

Thanks from Toggles in Norwich