Mine is an e30, there was no relay. I am adding one.
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E30 S54 Swap AC signal input to DME
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Originally posted by R3Z3N View PostSo, my car no longer has a C136, however I found the wire was direct to my S52 ECU, which the C136 is now gone for the S54 ECU. Connect: Red/Black pin 1 from my missing C136 to pin 4 of the CAN Converter box? Pin 2 was into the S52 ECU, but now no longer if I am correct.
Originally posted by R3Z3N View PostNow, here I am confused from this image. Does that same red/black Pin 1 C136 connect straight to compressor clutch, along with the relay from the post above? Or Just Red/Black Pin 1 C136 to Pin 4 of your adapter, and the relay is a separate circuit?
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Thanks!
Trying to find a bosch relay holder that will fit into the E30 wiring cover or on the fuse box holders.
Curious also, I think I plan on running 2 fans (2x12 vs 1x16) on the rad to give more surface and easier for clearance. Possible to stagger the fans turning on one at 195 and both at 205? I don't believe I need to use the Can controller to do so, but you have added the feature. Thanks!
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Originally posted by R3Z3N View PostThanks!
Trying to find a bosch relay holder that will fit into the E30 wiring cover or on the fuse box holders.
Curious also, I think I plan on running 2 fans (2x12 vs 1x16) on the rad to give more surface and easier for clearance. Possible to stagger the fans turning on one at 195 and both at 205? I don't believe I need to use the Can controller to do so, but you have added the feature. Thanks!
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A new board design is on the way - it will have 7 outputs and 4 inputs (used to be 4 & 3) and use a MQS connector like many other BMW modules. I'll have a batch of them ready to ship in about 2 weeks.
The price is now $275 shipped, had to bump it up a bit to account for additional components and assembly/testing time.
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I sent this to Garry but I will post here as I am waiting for a response and I want to see if anyone else has any ideas:
Garry,
I've got the relay wired as it shows in the thread. The rest of the stuff is wired per the CAN instructions PDF I found... Somewhere. Anyway, it said pin 11 is pink and is one of the CAN channels. My CAN controller came with pin 10 being pink, so I removed it and put it in pin 11 and wired per instructions. I have an additional wire going from the ac pressure sensor to the AC clutch/relay pin 87 junction, otherwise my compressor and aux fan did not turn on at all. Now they seem to come on with the snowflake pushed and turn off when it is not pushed.
Is there any way to test if this is working? I still stall frequently with the AC on. It happens mostly when I come off load... Like if I am slowing down to stop it will stall almost every time, especially if I put it in neutral to coast. I can sometimes save a stall by shifting from 6th to 5th and so on as I slow down but it doesn't always help.
I have a 6 speed with UUC lightweight flywheel. My ECU was tuned by Markert.
If I feel a stall coming and put it in neutral real fast and slam on the gas it sometimes saves it after about 2 seconds of the pedal totally depressed, but sometimes it doesn't, and I'm always afraid I won't get out of fear fast enough and will slam into something so I don't so this often
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