Subject: I've seen three heater cores in three types of BMW's. In each case, the leak Author: DavidC (moderator) : member since December, 2003 : 11926 posts Posted on: 2004-09-03 04:29:03

was caused by O-rings, not the pipes or the metal. Can you buy the O-rings by themselves, though?

David Cecil
'97 740iL, 126k miles
'86 735i, 95k miles

www.e38.org has links for everything about your BMW 7-series automobile

• HEATER CORE Replacement RED ALERT - I need your tips for... - davidsoine 2004-09-01 10:26:44 (1883 views)
  • Just a thought here... AC Evap while you're at it? (m) - wiseassbill 2004-09-03 14:32:12 (387 views)
  • Should I just replace the O-rings? Or the whole core & pipes?..time is a factor - davidsoine 2004-09-03 00:57:11 (504 views)
    • I've seen three heater cores in three types of BMW's. In each case, the leak - DavidC 2004-09-03 04:29:03 (537 views)
      • The o-rings are available separately. The current challenge is.. - davidsoine 2004-09-03 11:23:50 (409 views)
        • OK now I wait for o-rings...on their way...the core looks good. (m) - davidsoine 2004-09-03 22:07:47 (342 views)
  • Wondering what a 97 heater core looks like? WARNING strong images... (pic) - davidsoine 2004-09-03 00:54:30 (803 views)
    • You are a brave soul. - DavidC 2004-09-03 04:30:42 (308 views)
      • The column must come out to remove the tubular metal structure... - davidsoine 2004-09-03 11:31:07 (446 views)
        • More pics and explanations... (pic) - davidsoine 2004-09-03 22:41:28 (704 views)
  • Re: HEATER CORE Replacement RED ALERT - I need your tips for... (pic) - ifixm 2004-09-01 18:33:58 (848 views)
    • Yikes! You pulled the whole box! The service manual says... - davidsoine 2004-09-02 00:01:41 (535 views)
    • That looks a helluva lot cleaner than my e23 did with the dash heater box out (pic) - DavidC 2004-09-01 20:00:23 (572 views)
  • I'm very interested in this topic. Please take as many photos as you can. - DavidC 2004-09-01 11:40:36 (403 views)
    • I'll make every effort NOT to remove the whole dash... - davidsoine 2004-09-01 12:05:29 (461 views)
      • Re: I'll make every effort NOT to remove the whole dash... - tolms 2004-09-02 00:36:55 (438 views)
        • Is the torque pretty high on that?... - davidsoine 2004-09-02 12:21:58 (301 views)