bmw 530i petrol, heater just blows out luke warm air, usually on passenger side and cold on drivers side

2001 BMW 530I
12,100 MILES
Avatar
PETNIK
  • MEMBER
  • 1 POST
water level was low but topped up problem still present
Dec 6, 2011 at 5:11 PM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Wit the engine warm, running, and the heat on, feel both heater core hoses. Both should be hot. If they are, check blend air door. If only one is hot, try flushing the heater core.
Dec 6, 2011 at 7:34 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.