Nearly half a million new cars were registered in the UK during the crucial March 2015 plate-change month.
Budget 2015 highlights, 50 days from the general election.
The National Franchised Dealer Association has called for greater transparency of the car servicing and repair industry to protect motorists.
The European Commission has announced that it intends to initiate a "legally binding solution", which could take the form of a new sector-specific regulation, to improve relations between franchised dealers and manufacturers, unless an acceptable industry code of good conduct can be agreed between the two parties.
