Winter Update

The Winter update is the v1.7.0k update of Asphalt 8: Airborne. It was released in December 2014.

Overview
The Winter update added 11 new cars:
 * Renault DeZir (Class D)
 * Ferrari 308 GTS (Class D) - This car earlier appeared in Asphalt Overdrive
 * Acura NSX 2005 (Class C)
 * Felino cB7 (Class C)
 * Spada Codatronca TSS (Class B)
 * Rimac Concept One (Class B)
 * Arrinera Hussarya (Class B) - Also appears on the new app icon introduced in the Winter update
 * Lucra L148 (Class A)
 * Volkswagen W12 (Class A)
 * Tramontana XTR (Class A)
 * 9FF GT9 VMAX (Class S)

The Winter update also added a new location, Sector 8. It is described as the most difficult and challenging Asphalt level ever created. Christmas decorations were added to Iceland, Tokyo (e.g. the レッツゴー！ message has been replaced with "Merry Christmas!"), and the Alps. The decorations were removed in January 2015.

Pro Kits were introduced. These allow a car to perform better than its maximum rank would allow, similar to a Tuning Kit. However, unlike Tuning Kits, Pro Kits can upgrade the stats of a car individually, and require cards in order to purchase unlocks.

A secondary currency, Tokens, was added. Tokens can be used to buy Double Credits Bonuses, Extra Tanks, Card Boxes, some new cars, and to refill fuel points.

Gameloft (December 16th, 2014): Asphalt 8: Airborne - The Winter Update.