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      03-10-2019, 03:58 PM   #26
zigsman
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Drives: 2009 M3 E92; 2006 330i E90
Join Date: Jan 2012
Location: Arizona

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Quote:
Originally Posted by niksss View Post
Hello guys ! Is this possible without removing the R134a A/C freon ? What does change if I don't remove it ?
No, you cannot do the job without recovering the A/C system and disconnecting the lines. The A/C lines connect directly into the A/C plenum, which has to be removed from the vehicle.
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