I got a bad smell of Compressor oil through vents. AC unit is empty and I have a bad leak somewhere‘s dont see any oil spray in engine compartment so if I’m smelling it in the cab does that mean it is the Evaporator coil behind Dash? If I put dye in the system is there anyway to see the evaporator coil before I tear out the dash. 2004 x3
You hit the nail on the head. Sounds like the evap is leaking. Very, very common on E83 X3, as well as E46 3 series (they used the same exact units).
ASE and BMW Master Certified Technician
Yup x2 on evap. I just did mine last year, not a hard job if your a diy guy. I was suprised how easy the e83 dash comes out. Put dye in the system and check the drains where water drips out when you have the ac on
Last edited by e30luv318i; 05-11-2018 at 12:15 PM.
Me E30 87/ 325i + F25 12/ M-Sport + E32 94/ 740i
G/F’s E34 92/ 525iT + F48 18/ X1
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