Ads will run for eight days from Christmas Eve to New Year's Eve.
Ban was announced last month by Mayor of London Sadiq Khan.
Braun will leave car-maker in first quarter of 2019.
Festive garment can be won in a Facebook competition.
New rule follows consultation by Committee of Advertising Practice.
Paul Grace joins from Coca-Cola European Partners.
Video features terrorist-themed 12 Days of Christmas.
Yep, they went there.
Singer objected to Barclays' funding for fossil fuel extraction.
Accenture Interactive-owned agency beats Leo Burnett, VCCP and WCRS
There's no big, clever secret to getting a successful agency off the ground, David Golding and James Murphy believe.
Twenty-four people complained about debut campaign from Adam & Eve/DDB.
Brown spent 16 years at Prince's Trust.
Shakers are designed to look like Kettle Chips packs.
Former owner sold retailer for £1 in May.
Martina Poulopati discusses the brand's approach.
At least Ebenezer Scrooge had a strong point of view.
Victoria Sjardin joined the food giant in September 2017 after 14 years at Unilever.
Ten-second ads feature tracks including Crocodile Rock and I'm Still Standing.
Series of 20-second spots highlight role BT products play on Christmas Day.