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IonutZ IonutZ is offline
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Car: 2013 E92 335ix
Default EWG on N63TU3 (G14/G15) M850 - 06-07-2020, 09:55 AM

Hey friends,

This is an inquiry to anyone who's attempted to install JB4 with EWG connectors on an M850. I was chatting with Terry at the beginning of the weekend as I started the install on mine and I noticed that the EWG connectors that came with the G30 harness plugged into the stock EWGs however, the clip/latch that holds them in was on the wrong side.

Also, I wasn't able to successfully run the car with the EWG connectors installed and I had to revert to EWG loopback on the JB4 (not plugging into the car's EWG, and leaving car EWGs plugged in as stock). Car was throwing short-circuit messages when JB4 was plugged into EWG. This led us to believe that we might need to go to 180 degree EWG plugs, but Terry wanted to make sure this wasn't just a one-off on my vehicle.

TL;DR: Have you attempted to connect your JB4 to your M850 EWGs? And were you successful?

Best,
IonutZ


Current: 2018 M550i
Audio: Focal IFBMWv2 (all interior speakers replaced) powered by Zapco Z150.6LX frontstage, 1x JL Audio 13W7AE powered by JL Audio 1200/1v3 substage, DA3, Helix DSP Pro MK2
Mods: None yet

Past: 2013 M6 F12
Audio: Focal Utopia BE 7, 2x JL Audio 8W7 powered by JL Audio 1200/1v3 substage, DA3
Mods: JB4

Past: 2013 335ix E92
Audio: JL Audio 1000/1 powering 2x JL Audio 13TW5
Mods: JB4 Stage 2 (Map 5, 40% E85), BMS Intake, ER Charge Pipe
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Mike_L Mike_L is offline
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Default 06-07-2020, 12:37 PM

How is that possible? According to the ETK all the G series N63s share their wastegate actuators. If its the same part, how can the clip be on the wrong side? Did you try flipping it over and seeing if it fit?
RealOEM.com - Part Search


Mike Levy
2021 Tanzanite Blue II M550i xDrive
2018 Silver Equinox LT 2.0T
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IonutZ IonutZ is offline
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Default 06-07-2020, 08:10 PM

Trust me, I tried for a ****ing hour, not understanding why the hell the thing won't go in... There's literally no space there on the TU3 to plug the connectors in... I thought I had bent pins on the damn actuator... and then I had the smart idea to compare the car's EWG connector with the one from the JB4 harness: 20200605_181335.jpg - Google Drive

I turned it around 180degrees and it fit in perfectly, but didn't click (no latch). Also no go as far as car was concerned because the red wires (on harness) were short-circuiting.

I looked in latest Rheingold for specs on the actuators on both TU2 and TU3 and it just shows the TU3 configuration.


Current: 2018 M550i
Audio: Focal IFBMWv2 (all interior speakers replaced) powered by Zapco Z150.6LX frontstage, 1x JL Audio 13W7AE powered by JL Audio 1200/1v3 substage, DA3, Helix DSP Pro MK2
Mods: None yet

Past: 2013 M6 F12
Audio: Focal Utopia BE 7, 2x JL Audio 8W7 powered by JL Audio 1200/1v3 substage, DA3
Mods: JB4

Past: 2013 335ix E92
Audio: JL Audio 1000/1 powering 2x JL Audio 13TW5
Mods: JB4 Stage 2 (Map 5, 40% E85), BMS Intake, ER Charge Pipe
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Default 06-07-2020, 08:17 PM

Are the plugs fairly easily accessible? I gotta go to the dealer this week to finalize my order, so if it’s accessible I’ll get under the hood of an M850 while I’m there and check out the plugs.


Mike Levy
2021 Tanzanite Blue II M550i xDrive
2018 Silver Equinox LT 2.0T
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IonutZ IonutZ is offline
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Car: 2013 E92 335ix
Default 06-08-2020, 06:01 AM

The one on the right side is definitely more easily accessible. All you need to do is pop the engine cover and insert a small flathead screwdriver under the connector. I created a photo for you that hopefully helps:

instruction for mike_l.png - Google Drive


Current: 2018 M550i
Audio: Focal IFBMWv2 (all interior speakers replaced) powered by Zapco Z150.6LX frontstage, 1x JL Audio 13W7AE powered by JL Audio 1200/1v3 substage, DA3, Helix DSP Pro MK2
Mods: None yet

Past: 2013 M6 F12
Audio: Focal Utopia BE 7, 2x JL Audio 8W7 powered by JL Audio 1200/1v3 substage, DA3
Mods: JB4

Past: 2013 335ix E92
Audio: JL Audio 1000/1 powering 2x JL Audio 13TW5
Mods: JB4 Stage 2 (Map 5, 40% E85), BMS Intake, ER Charge Pipe
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Default 06-08-2020, 09:41 AM

Okay, I'll see if they'll let me pull the cover.


Mike Levy
2021 Tanzanite Blue II M550i xDrive
2018 Silver Equinox LT 2.0T
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IonutZ IonutZ is offline
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Default 06-09-2020, 08:44 PM

Lol how is this not a thing? Are there no other M850 JB4 users? This thing is a ****ing rocket with the JB4...... even without EWG. I ran it with 3.5gal E85 and I traveled in time on Map 2.


Current: 2018 M550i
Audio: Focal IFBMWv2 (all interior speakers replaced) powered by Zapco Z150.6LX frontstage, 1x JL Audio 13W7AE powered by JL Audio 1200/1v3 substage, DA3, Helix DSP Pro MK2
Mods: None yet

Past: 2013 M6 F12
Audio: Focal Utopia BE 7, 2x JL Audio 8W7 powered by JL Audio 1200/1v3 substage, DA3
Mods: JB4

Past: 2013 335ix E92
Audio: JL Audio 1000/1 powering 2x JL Audio 13TW5
Mods: JB4 Stage 2 (Map 5, 40% E85), BMS Intake, ER Charge Pipe
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Default 06-24-2020, 09:14 AM

Just an update, they wouldn’t let me pull the cover. They wouldn’t even let me in the car. A car dealership where all the cars are locked and you can’t see any more than you could see in a parking lot. Is this the new world we’re living in. ��


Mike Levy
2021 Tanzanite Blue II M550i xDrive
2018 Silver Equinox LT 2.0T
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BillyBarr BillyBarr is offline
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Default 09-12-2020, 04:20 AM

I have a 2020 X7 M50i, same problem. They are backwards. Terry said he is trying to figure something out. I ordered the newer unit because the jb4 from my m550i didnt have ewg connectors. Now they're there, just not compatible smh.


Billy Barr
2020 X7 M50i JB4
2018 M550i JB4 Retired
2016 M3 Dinan downP's, catback exhaust, Injen Intake, JB4 Retired
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IonutZ IonutZ is offline
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Default 10-11-2020, 11:46 AM

All you need is 2 Starseal Hirschmann 5 way female connectors. You can find them on Amazon. I still haven't figured out the wiring though... not as plug and play as you would think. Hoping someone else on here has figured it out.


Current: 2018 M550i
Audio: Focal IFBMWv2 (all interior speakers replaced) powered by Zapco Z150.6LX frontstage, 1x JL Audio 13W7AE powered by JL Audio 1200/1v3 substage, DA3, Helix DSP Pro MK2
Mods: None yet

Past: 2013 M6 F12
Audio: Focal Utopia BE 7, 2x JL Audio 8W7 powered by JL Audio 1200/1v3 substage, DA3
Mods: JB4

Past: 2013 335ix E92
Audio: JL Audio 1000/1 powering 2x JL Audio 13TW5
Mods: JB4 Stage 2 (Map 5, 40% E85), BMS Intake, ER Charge Pipe
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