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  1. Thanks for the feedback. Correct me if I'm...

    Thanks for the feedback. Correct me if I'm wrong, but it sounds like I'd need a "regular temps" map and a "freezing temps" map, right? If I was to tune for freezing temps by lowering the base and...
  2. Boost all over the place in freezing temperatures

    I'm FBO with inlets on a 93 pump custom MHD self tune. Boost is dialed in under normal conditions.

    With the same exact tune the boost is all over the place in really cold weather (around 15...
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    On my 2009 E90 AT xdrive Load to Torque 3...

    On my 2009 E90 AT xdrive Load to Torque 3 actually seems to be the only table that has any effect. To mitigate a torque limit issue in 5th gear I separately lowered the values in the same cells in...
  4. Thread: XDF Progress

    by mfish
    Replies
    550
    Views
    26,688

    With all this promising news about using spool...

    With all this promising news about using spool mode I'm experimenting with those tables.

    I don't see the breakpoints for "WGDC (spool)" table defined in the latest XDF. Can we please have that...
  5. Thanks for all the responses. I'll try to...

    Thanks for all the responses. I'll try to respond to everybody's input here in chronological order rather than quoting all the specific comments.

    I do understand that shaft speed, heat and back...
  6. Boost curve for FBO + inlets, stock turbos with 93 octane

    I know we all have our own opinions on boost. And obviously we can crank boost to the moon for a dyno glory run and destroy the turbos quickly.

    But as far as having an aggressive tune and taking...
  7. Thread: XDF Progress

    by mfish
    Replies
    550
    Views
    26,688

    +1. I increased the values in those tables on my...

    +1. I increased the values in those tables on my AT xdrive. Unfortunately no effect on the torque limiter. Lowering the load to torque values is still the only thing that works for me.
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    3,025

    I have a regular AT (not DCT) but when hitting...

    I have a regular AT (not DCT) but when hitting torque limiter 4 I always had to lower the values in the load to torque table to get rid of the limiter. However, I've seen it mentioned several times...
  9. I tried maxing out the max torque at clutch (AT)...

    I tried maxing out the max torque at clutch (AT) and torque monitor (customer specific) to the max values that the tables allowed for in the affected areas, but unfortunately still get torque limiter...
  10. I tried a value of 900 and still got the same...

    I tried a value of 900 and still got the same behavior. Getting my inlets installed today so can't log until tomorow.

    I opened the Alpina bin with the new XDF loaded. I know that bin needs...
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    I'm still confused on the "double negatives" on...

    I'm still confused on the "double negatives" on the toggles. In other words, if the word "disable" appears in the description of the toggle should I take it at face value or ignore? Specifically:
    ...
  12. WGDC Base, celing and adder changes for VTT / RB style inlets

    I'm having my RB inlets installed tomorrow. From what I've read it sounds like I should expect to over boost if I don't re- tune for the inlets.

    So that I'm not re-inventing the wheel and...
  13. Thanks for the feedback. Assuming its purely a...

    Thanks for the feedback. Assuming its purely a limiting table then it shouldn't hurt if I crank it up to get it out of the way. To be safe, what I'll do is incrementally bump the values up in what...
  14. Thanks for the advice - I won't exceed 1023.97. ...

    Thanks for the advice - I won't exceed 1023.97. I'll still try values slightly lower than 999 too.
  15. I may have to do that with max torque at clutch. ...

    I may have to do that with max torque at clutch. I hate being the guinea pig but I'm pretty motivated. I'm not expecting miracles on that table - x axis looks to be mph and in the lower gears I can...
  16. Thread: XDF Progress

    by mfish
    Replies
    550
    Views
    26,688

    You got it jyamona@motiv - New Thread here: ...

    You got it jyamona@motiv - New Thread here: http://www.bimmerboost.com/showthread.php?70919-Initial-quot-Max-Torque-By-Gear-(AT)-quot-Testing-in-5th-gear&p=676258#post676258
  17. Initial "Max Torque By Gear (AT)" Testing in 5th gear

    In a nutshell higher #'s don't work. I get torque limiter 32,768! I think that's the max positive integer for a a 16 bit value if that means anything - that's over my head.

    Higher values (1750,...
  18. Thread: XDF Progress

    by mfish
    Replies
    550
    Views
    26,688

    Initial "Max Torque By Gear (AT)" Testing in 5th...

    Initial "Max Torque By Gear (AT)" Testing in 5th gear

    I can start another thread on this if everyone thinks that is more appropriate. In a nutshell higher #'s don't work.
    I get torque limiter...
  19. Thread: XDF Progress

    by mfish
    Replies
    550
    Views
    26,688

    This is awesome sutff. @jyamona - Just to...

    This is awesome sutff.

    @jyamona - Just to clarify, is it the "load target per gear" the only table that won't work until the MHD app is updated?

    In my case I want to test out "Max torque per...
  20. Miles to oil change - Does the car know how hard I drive it? - Condition Based Sensor?

    I changed my oil about 3,000 miles ago. I used the BMW oil and a Mann filter. I reset the light and the interval reset to 15,000. Standard oil change.

    I've been doing a $hit ton of WOT logging....
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    1,241

    RSL - I'm digging this map a lot, Really the...

    RSL - I'm digging this map a lot, Really the only issue I've found is if I go WOT around 3,500 RPM I get an overshoot and a little oscillation. Its most apparent in 4th gear. Below are 2 logs. ...
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    bradsm87 - Big shout out to you and thanks for...

    bradsm87 - Big shout out to you and thanks for sharing your map. You're a WGDC / PID wizard in my book. I coped all WGDC tables and voila boost is tight and precise. Thank you so much!!
    I now...
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    1,241

    RSL I know the feeling - sucks when you sooooo...

    RSL I know the feeling - sucks when you sooooo tired but can't fall asleep!!

    SPXX E85 maps have the same L2T as my pump one. I do want to revisit these but not until I smooth out boost.

    I left...
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    RSL You did great for being sleep deprived! So...

    RSL You did great for being sleep deprived! So my biggest take away is if I tame the overshoots and oscillations most other problems go away and I do agree.

    I ratched the D factor multiplier...
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    Thanks for sharing. Much appreciated. I would...

    Thanks for sharing. Much appreciated. I would be curious to try those, especially p factor. I'll pm you with my email. Would be much easier to copy and paste.
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