# Receiver drier, replace.

The receiver drier should be replaced any time the refrigerant circuit has been open for more than 24 hours. This includes a system that has been empty for 24 hours or more due to a leak.
Note: This procedure requires recovery of the air conditioning refrigerant. See an appropriately certified air conditioning technician to have this recovery performed before commencing any air conditioning system repair.
Remove plastic cover behind right headlight. |
Disconnect refrigerant lines from receiver drier |
Unplug pressure switches. |
Remove 3 bolts securing receiver drier to body and remove the drier.
Remove both pressure switches.

### Installation

Use a thread locking compound to seal switch threads, such as Loctite 270 or similar.

Replace all seals.

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson