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03 e53 AC problems 03 e53 AC problems
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Old 06-25-2025, 09:22 AM
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Join Date: Jan 2019
Location: Texas, USA
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Originally Posted by jimdanforth View Post
The fan does not start at all, even with the AC pressure sensor disconnected and I thought it was supposed to go into failsafe and run 100%.
If I understand correctly, if the system cannot see that fan engage, it will not engage the compressor. IS that correct?
When I had AC problems a few years ago on my 2002 X5 with the M54 engine, the compressor would not engage at all when the aux fan failed. New auxiliary fan fixed the problem for me. Job's a bit of a hassle though.

Chris
Lockhart, Texas
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