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      04-12-2018, 10:48 AM   #23
deansbimmer
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Drives: 2011 E93 M3
Join Date: Nov 2014
Location: DFW, Texas

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Quote:
Originally Posted by ns2000x View Post
Unfortunately all back together and I still get the 27E4 code and limp mode. When I pulled the old sensor out it was still under vacuum so I don't believe the hose is compromised. What is next for me to check???
Make sure the three check valves are functioning correctly and verify the pump is working correctly. Check also for wire damage and shorts.
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