MSS54 to CSL Conversion Questions - E46Fanatics E46 BMW Social Directory E46 FAQ 3-Series Discussion Forums BMW Photo Gallery BMW 3-Series Technical Information E46 Fanatics - The Ultimate BMW Resource BMW Vendors General E46 Forum The Tire Rack's Tire Wheel Forum Forced Induction Forum The Off-Topic The E46 BMW Showroom For Sale, For Trade or Wanting to Buy

Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

Reply
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 03-17-2020, 12:22 PM   #1
heinzboehmer
Registered User
 
Join Date: Dec 2017
Location: CA
Posts: 12
My Ride: 2002 M3 6MT
MSS54 to CSL Conversion Questions

So I've converted my MSS54 to HP spec in anticipation of a CSL airbox install on my 02 M3. I haven't gone all the way to CSL spec as I won't be running a flap.

I managed to flash the new chips via BDM with HP binaries and my car starts and runs fine. I then modified the bootsector to make all the necessary changes for the CSL software, but have not changed anything. If I've understood everything correctly, I should now be able to flash a CSL partial and have a fully converted DME (aside from the H Bridge for the flap) right? Can I just flash one of the partials from here with MSSFlasher?
https://github.com/saildot4k/MSS54-X...P%20CSL%20Bins

If so, which one?

Thanks for the help!
heinzboehmer is offline   Reply With Quote
Old 03-19-2020, 01:31 PM   #2
heinzboehmer
Registered User
 
Join Date: Dec 2017
Location: CA
Posts: 12
My Ride: 2002 M3 6MT
Thought I would post here for posterity. Turns out no, you cannot flash a CSL partial on top of an HP full binary (in hindsight I realize this was a stupid idea lol), as it will brick your DME. Instead, you have to flash the full CSL binary. I flashed the full binary with my BDM programmer, then read out the tune with MSSFlasher. I then modified the tune to have it run correctly on my car (changed VANOS offsets for stock cams, changed pressure scaling to accommodate different pressure sensor in non-HP DMEs, changed configuration from smg to manual, suppressed 151 injector driver error, enabled cruise control, etc). Reflashed tune with MSSFlasher, synced EWS, updated VIN, and the car fired right up. It runs great now.

Last edited by heinzboehmer; 03-19-2020 at 01:56 PM.
heinzboehmer is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Censor is OFF



All times are GMT -5. The time now is 07:30 AM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.
(c) 1999 - VerticalScope Inc. All rights reserved.