This is just a photo dump for now until I have more energy to add the details.
In an E93, the EKP is in the 'partition' area which is a hidden void between the trunk and the back seat. This area houses the roll over safety system, PDC and comfort access modules and other stuff. In the E90/E92, the EKP is in the trunk on the passenger side wheel well, somewhere in that area.
Remove partition cover and you'll see the EKP(Black) mounted at the bottom near the PDC module(white):
Before you unbolt the EKP from it's bracket, be smarter than me and lift the seat back up and undo the bolts on the bottom so the whole thing comes off:
I begun to fasten the harness connector to the old EKP mounting point, however on an E93 this doesn't leave a good place for the BPM4:
So I decided to mount it to this cross bar instead:
Which leaves a new place for the EKP, which means I don't have to fish as many wires back to the trunk:
Here is the power output wires and mil-spec pigtail that connects to the hat:
Since my EKP is right next to my pumps, I decided to shorten mine a bit(I'd recommend making them a couple inches longer than mine if you have an E93):
Connect the power harness to the EKP, there is also a chassis ground conveniently next to this location:
Down toward the LPFP:
Cut the old power cable out and also cut the rubber boot to make room for the wider gauge power wires:
Wires through the boot:
Hopefully you remembered which wires went to your LPFP:
Done on this end:
The EKP comes with a strong double sided adhesive which is holding it. The seat back and another panel also hold it in place. Notice the red power cable going toward the battery in the top left:
Standing at the left rear quarter panel looking at the back seat:
Can see the red 12v cable coming through:
For easy access and proper routing remove this so you can remove the grey carpet panel:
And then you have easy access to run that wire down to the battery:
----
Things I didn't mention, due to the new placement of the EKP I did have to bust off a few of these ribs on the panel that covers that up behind the seat back:
Also worth mentioning, you must contact @EOSpeed to get the BPM4 windows software, otherwise you won't be able to connect to the device.
In an E93, the EKP is in the 'partition' area which is a hidden void between the trunk and the back seat. This area houses the roll over safety system, PDC and comfort access modules and other stuff. In the E90/E92, the EKP is in the trunk on the passenger side wheel well, somewhere in that area.
Remove partition cover and you'll see the EKP(Black) mounted at the bottom near the PDC module(white):
Before you unbolt the EKP from it's bracket, be smarter than me and lift the seat back up and undo the bolts on the bottom so the whole thing comes off:
I begun to fasten the harness connector to the old EKP mounting point, however on an E93 this doesn't leave a good place for the BPM4:
So I decided to mount it to this cross bar instead:
Which leaves a new place for the EKP, which means I don't have to fish as many wires back to the trunk:
Here is the power output wires and mil-spec pigtail that connects to the hat:
Since my EKP is right next to my pumps, I decided to shorten mine a bit(I'd recommend making them a couple inches longer than mine if you have an E93):
Connect the power harness to the EKP, there is also a chassis ground conveniently next to this location:
Down toward the LPFP:
Cut the old power cable out and also cut the rubber boot to make room for the wider gauge power wires:
Wires through the boot:
Hopefully you remembered which wires went to your LPFP:
Done on this end:
The EKP comes with a strong double sided adhesive which is holding it. The seat back and another panel also hold it in place. Notice the red power cable going toward the battery in the top left:
Standing at the left rear quarter panel looking at the back seat:
Can see the red 12v cable coming through:
For easy access and proper routing remove this so you can remove the grey carpet panel:
And then you have easy access to run that wire down to the battery:
----
Things I didn't mention, due to the new placement of the EKP I did have to bust off a few of these ribs on the panel that covers that up behind the seat back:
Also worth mentioning, you must contact @EOSpeed to get the BPM4 windows software, otherwise you won't be able to connect to the device.