1999 BMW 520 Heater not working

1999 BMW 520
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BUCHAILL
  • MEMBER
  • 1 POST
Heater problem
1999 BMW 520 Manual 111000 miles

When driving, the heater in car wont heat up,but
when the car is just ticking over, it heats up.
What can the problem be?
Jan 12, 2010 at 3:37 AM
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DOCHAGERTY
  • ✓ASE Certified Mechanic
  • 9,606 POSTS
  • ASE Certified Mechanic
Heater valve might be unable to open when engine is above idle, inspect/replace the valve.
Jan 12, 2010 at 9:01 AM
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