View Single Post
      10-11-2019, 09:19 AM   #8
Billfitz
Major General
Billfitz's Avatar
United_States
3421
Rep
8,167
Posts

Drives: '15 328iX GT
Join Date: Jan 2015
Location: New Hampshire

iTrader: (0)

It's not the 5w that's a problem, it's the 40. In really cold weather it takes a long time for the oil to get up to operating temperature. In short trips it might not get there at all. Winter up in the Great White North low 40s isn't a night time low, it's a day time high, on a really nice day.