BMW 01 Expansion Tank anti freeze empty in two days

Asked by Herberth Chito Oct 19, 2014 at 11:43 AM about the 2001 BMW 5 Series 530i Sedan RWD

Question type: Maintenance & Repair

Expansion Tank anti freeze empty in two days WHY? THERE IS NO LEAK

1 Answer
645

Patrick answered 10 years ago

There may be an air pocket in the system. If you have recently flushed and/or done any work with your coolant, it can cause this (mine did it just 2 days ago!). Turn the car on, fill the coolant reservoir with the cap off (MAKE SURE IT IS NOT HOT!!!), and let it cycle. As it warms up, squeeze the large hose on top to "burp" the system. I hope this helps - Good Luck!!

Mark helpful

Your Answer:

Related Questions

  • BMW 01 Expansion Tank anti freeze empty in two days 1 Answer

    Expansion Tank anti freeze empty in two days WHY? THERE IS NO LEAK

    2001 BMW 5 Series 530i Sedan RWD

    -

    Maintenance & Repair

  • oil in coolant tank 1 Answer

    looked like chocolate pudding in my coolant tank. Flushed system, changed oil (NO water in oil) added 16 oz. Lucas oil stop leak and still getting drops of oil in my coolant tank

    2008 BMW 5 Series 535i Sedan RWD

    -

    Maintenance & Repair

  • Need Recomendation for Local BMW Repair Shops in San Diego 1 Answer

    I need to get some major repairs done to my transmission, and was quoted a very high price from my dealer in excess of $7,000. Was wondering if anyone has a recomendation for a independent service cen...

    2004 BMW 5 Series 545i Sedan RWD

    -

    Maintenance & Repair

  • Reviving BMW after 1 yr+ in garage 1 Answer

    The car battery died because I was not driving it very often. Tried to jump start it but failed. Installed a new battery and everything lit up but car did not start. No sound. Nothing. Battery has sin...

    1997 BMW 5 Series 540i Sedan RWD

    -

    Maintenance & Repair

  • How much does it cost to install a used motor in a 525i BMW? 3 Answers

    How much does it cost to install a used engine in a 528i BMW?

    2012 BMW 5 Series 528i xDrive Sedan AWD

    -

    Maintenance & Repair

5 Series

Looking for a Used 5 Series in your area?

CarGurus has 349 nationwide 5 Series listings starting at $4,500.

Postal Code:

Shortcuts

Search BMW 5 Series Questions

CarGurus Experts

  • #1
    Michael Branan
    Reputation
    1,400
  • #2
    Robert Charlson
    Reputation
    1,050
  • #3
    apbimmer98
    Reputation
    950
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used BMW 3 Series
65 Great Deals out of 1,229 listings starting at $2,500
Used BMW M5
43 listings starting at $26,800
Used BMW 7 Series
6 Great Deals out of 112 listings starting at $5,995
Used BMW X5
55 Great Deals out of 1,107 listings starting at $4,995
Used Mercedes-Benz E-Class
31 Great Deals out of 504 listings starting at $5,700
Used BMW M3
3 Great Deals out of 93 listings starting at $15,995
Used Mercedes-Benz C-Class
103 Great Deals out of 1,621 listings starting at $3,500
Used Mercedes-Benz S-Class
11 Great Deals out of 260 listings starting at $9,988
Used Audi A6
106 listings starting at $3,995

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.