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F12 / F13 M6 & F06 M6 Gran Coupe (2012 - current)
The third generation M6 based on the BMW F12/F13 6 Series and shares its 7-speed M-DCT gearbox, BMW S63 V8 engine and other technology with the F10 BMW M5. The F06 M6 Gran Coupe, based on the F06 6 series also shares the same engine, transmission and technology.

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  #1  
Old 05-27-2020, 07:58 PM
lspahn lspahn is offline
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2015 MY Looking for low pressure coolant port

2015 M6
Looking for low pressure coolant port.
I found the high pressure port easily..
Took off 2 plastic trims on passenger side but no luck.
Currently there is cool air and there is no error codes showing using cheep reader from AutoZone.

A few pics of engine compartment for reference.


https://drive.google.com/folderview?...SlTp0iIlsl26td

Larry

Last edited by lspahn; 05-27-2020 at 07:59 PM.
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  #2  
Old 05-28-2020, 04:53 PM
lspahn lspahn is offline
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SOLVED!!!!
Low pressure port is located under the air intake passenger side where the filter is. No need to remove the filter. Just the filter housing couple of fasners detach ~5in hose clamp going to manafold.
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Old 05-30-2020, 07:55 AM
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QSilver7 QSilver7 is offline
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Oh...were you asking for info about the AC refrigerant? I was confused because you wrote “coolant”...which made me think you were referring to the engine/turbo/DME cooling circuits.

Here’s more info about the the AC refrigerant evacuation and refill procedures for systems that use R134a....if your BMW uses the newer R1234yf...there are other instructions on the TIS website. Make sure to take note of additional links depending on your model etc: https://www.newtis.info/tisv2/a/en/f...check/2SqAkeDI
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

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Old 06-01-2020, 06:58 AM
lspahn lspahn is offline
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Thank you QSilver7! Yep should have had the "AC" part in the Title. Sorry about that. And the instructions you linked to were correct and clear. Again thank you. The instructions however say not to use the the low pressure AC port to evacuate and fill the R134a which slightly concerns me.
I ended up having a friend help with the AC the service and it was evacuated only through the High pressure port. Since we could not find the low pressure port. Then filled through the high pressure port but to 1.5 lbs ( spec is 1.6 lbs +- .02) all the time while engine is off.
Since we could not fill it to spec lead us to look harder for the low pressure AC port. Then still while the car was off we used both ports to fill the remaining fluid.
AC now works fine though.
Larry
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Old 06-01-2020, 12:45 PM
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QSilver7 QSilver7 is offline
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Glad it all worked out.
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Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 2013 F06 650ix Gran Coupe` (Black Sapphire) 1/13 mfg date
(SOLD)
97 740iL (Arctic Silver) <<~>> 99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

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