BMW X5 3.0 temp drops with heat on

Asked by boopunn Jan 27, 2019 at 10:15 PM about the 2001 BMW X5 3.0i AWD

Question type: Maintenance & Repair

I have a new water pump, both temp sensors,Thermostat,heat pump assembly
and my X5 idles at operating temp with no heater on. When I turn the heat on
the temp drops below a  1/4 unless im driving down the road. I have verified it is
not just the gauge acting funny with a computer and watching the temp from the
ECM. It should stay at running temp. Thanks

1 Answer

The heater takes heat from the cooling system which is normal. If the temp drops too much you may have a faulty thermostat.

Your Answer:

CarGurus Experts

  • #1
    Robert Charlson
    Reputation
    1,410
  • #2
    Asiamah6910
    Reputation
    1,330
  • #3
    santarosacarguy
    Reputation
    1,180
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used BMW 5 Series
18 Great Deals out of 323 listings starting at $4,500
Used BMW 3 Series
71 Great Deals out of 1,168 listings starting at $1,795
Used Acura MDX
37 Great Deals out of 756 listings starting at $6,495

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.