Bren Tuning - Page 11 - BMW K1600 Forum : BMW K1600 GT and GTL Forums
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post #101 of 301 Old 11-14-2018, 12:10 PM
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Originally Posted by Gunnert View Post
FYI, I talked with Bren this morning. The "map" they've developed for the '18 K1600 is applicable to the '17/'18 model years. They offer a "map" for the '16 and earlier. The '16 map will get you 10 HP on top end and 5-8 hp throughout the RPM range. For the <'16 you don't mail in the ECU. You order their hand-held tuner and download the 'map' into the ECU at home; a Windows computer is required.

Duane
Did they happen to mention why the difference with the hand-held tuner, or whether it would become an option for the '17/18?

John
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post #102 of 301 Old 11-14-2018, 12:38 PM
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@RedCard , no and I didn't ask.

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post #103 of 301 Old 11-14-2018, 02:07 PM
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Originally Posted by Gunnert View Post
@RedCard , no and I didn't ask.

Duane
Bren responded via email not to hold our breath (my paraphrase). They said it took a couple years to work out the handheld for the earlier models.

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post #104 of 301 Old 11-14-2018, 06:47 PM
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Originally Posted by phat6 View Post
Direct link to the video on ECU removal: https://youtube.com/watch?v=wmj5RtJwVS0

Update: there are some things missing in the video.


Things I learned:


  • Tools needed:
    • Philips Head Screwdriver (to disconnect the ground terminal on the battery)
    • T25 Torx: both a long, straight, and short, angled variants: for getting into places with different clearances
    • A distance "nose picker" comes in handy for grabbing loosened screws set back in the bike, without dropping. Especially if you have big hands. (see attached pic)
    • Small flat blade screw driver: to pop the retention tab on the turn signal connector.
  • Be sure to disarm the alarm, if equipped, prior to disconnecting the battery.
  • Be sure to insulate the negative terminals you disconnected. If they re-touch, the alarm may re-activate, and set off the alarm.
  • All the screws in the fairing are the same length, except 1. Remember where that long one goes. It goes in the hole right above the BMW logo.
  • Yep, plastic rivet broke, even after popping in the center. Glad I ordered a few replacements.
  • There are 2 screws not mentioned in the video, around the front turn signal, that also hold the fairing on. These need to be removed as well.
  • There is a part of the wiring harness to the front turn signal (I think) that does not have enough slack to remove the ECU. This must be unplugged.
  • There is a tab on the ECU cluster that fits into a slot on the coolant expansion tank. Be sure to free this from the coolant expansion tank.
  • I could not get the ECU cluster free without removing an additional screw from the coolant expansion tank, and moving the tank out of the way. Moving this out of the way made getting the ECU cluster out, a lot easier.

I will post some pics.


The distance "nose picker". Not sure what the technical name for this tool is. Rotate pic 90 degrees clockwise to correct rotation.
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Last edited by phat6; 11-14-2018 at 07:39 PM.
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post #105 of 301 Old 11-14-2018, 07:11 PM
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Quote:
Originally Posted by phat6 View Post
  • be sure to insulate the negative terminals you diconnected. If they re-touch, the alarm may re-activate, and set off the alarm.
  • All the screws in the fairing are the same length, except 1. Remember where that long one goes. It goes in the hole right above the BMW logo.
  • There are 2 screws not mentioned in the video, around the front turn signal, that also hold the fairing on. These need to be removed as well.

Rotate each pic 90 degrees clockwise to correct rotation.
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Last edited by phat6; 11-14-2018 at 07:27 PM.
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post #106 of 301 Old 11-14-2018, 07:19 PM
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Quote:
Originally Posted by phat6 View Post
  • There is a part of the wiring harness to the front turn signal (I think) that does not have enough slack to remove the ECU. This must be unplugged.
  • There is a tab on the ECU cluster that fits into a slot on the coolant expansion tank. Be sure to free this from the coolant expansion tank.
  • I could not get the ECU cluster free without removing an additional screw from the coolant expansion tank, and moving the tank out of the way. Moving this out of the way made getting the ECU cluster out, a lot easier.



For some reason, when attaching the pictures, it is changing the rotation vs. what is displayed when I open the pictures. This adds unnecessary confusion. Anyone know how to correct this?


Rotate second two pics 90 degrees clockwise to correct rotation.
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Last edited by phat6; 11-14-2018 at 07:30 PM.
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post #107 of 301 Old 11-14-2018, 07:36 PM
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When you are done, you should have all of these, plus the not pictured plastic rivet I broke.




Good luck. May The Schwartz be with you.


Hopefully only a few weeks away from ludicrous speed.
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post #108 of 301 Old 11-14-2018, 08:22 PM
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The ECU is an electronic device, sensitive to ESD, so you would be wise to handle and pack appropriately. e.g. pack in an ESD bag.
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post #109 of 301 Old 11-15-2018, 03:14 PM
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Quote:
Originally Posted by phat6 View Post
For some reason, when attaching the pictures, it is changing the rotation vs. what is displayed when I open the pictures. This adds unnecessary confusion. Anyone know how to correct this?

.
I have problems with pictures being rotated when posted also. What "seems" to work for me is before grabbing a picture I open the picture editing and change the pixel count to about 1/3 smaller and save the picture. It then posts right side up, go figure.


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post #110 of 301 Old 11-15-2018, 03:26 PM
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Quote:
Originally Posted by phat6 View Post
When you are done, you should have all of these, plus the not pictured plastic rivet I broke.




Good luck. May The Schwartz be with you.


Hopefully only a few weeks away from ludicrous speed.



Thanks for the pictorial. Do you what happens to the ECM modifications when BMW updates the ECM during service?

BTW Love the movie...........

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