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  1. Schulmann

    2019-2021 differences?

    Any update on this thread ? I want to upgrade a 2020 Tesla to a 2021
  2. Schulmann

    Model 3 LR vs Performance for 1-2 track days a year

    I am driving a SR+ on track, the only issue is the missing regen. For unknown reason the regen is disabled ... otherwise I enjoy the car as it is, I only removed the front dust cover behind the front rotors. Really good track car for a novice/intermediate driver. The chassis is very well...
  3. Schulmann

    Regen on track SR+ vs LR

    I have been driving my SR+ on track and noticed that regen "vanishes" after the first higher speed braking. Battery, stator, invertor are around 45c. SOC doesn t matter same issue at 40% too. is it a "feature" or a protection on the SR+ ? Can the LR regenerate multiple times from high...
  4. Schulmann

    Premature 'preconditioning battery for fast supercharging...?'

    it takes time ! Today outside temps was 1c , preconditionning started 50min before arrival at 25c battery tempeature, arrival temp was 35c and during chaging battery heated upto 55c ! When battery is below 20c supercharging is limited to 30kw which is really slow
  5. Schulmann

    Heating in cold weather and poor insulation ?

    Here is a little update ( Temps is below -10c) On highway (70 km/h) heater M3 can t keep up with cold. However in city driving (stop and go) I dont have any issue ! I dont know if it is an insulation issue or a battery output problem. Preconditioning only delays the issue.
  6. Schulmann

    Vendor Scan My Tesla, a CANBUS reader for Android

    yes I do prefere the ELM327 over the LX. (I have both) and I do prefere the slower output.
  7. Schulmann

    Heating in cold weather and poor insulation ?

    My 2020 model cant heat enough when weather is cold: -14c wind 50km/h heating maxed. My M3 uses 280mwh/km !!!! Dry weather but cloudy. The heater works but I have the impression that I lose heat because of poor insulation. are there some critical places where a little foam insulation can help ?
  8. Schulmann

    Vendor Scan My Tesla, a CANBUS reader for Android

    I just received my OBDLink Mx before Christmas ! Before I was using an old ELM 327, it was slow to start and was updating every 3-4 seconds my screen. I have 3 minor issues with the OBDLink Mx (My cell is a Samsung S9+) - I believe it send too much data to the ScanMyTesla application. -...
  9. Schulmann

    Battery heating while preconditioning cabin

    Warming the battery pulls around 3.5KW in average. It heats up the stator between 50-70C. it is a Very effective method to warm the battery. There are two ways to trigger this process: Head to a supercharger in the navigator and stop at a redlight (TM3 will heat stator). It can't do it while...
  10. Schulmann

    Best method to clean ice clugged charging pistol ?

    Sooner or later it happens ... when I arrived to the local ski resort I forgot to check the charging pistol and connected it with ice and snow in the connextions. It didnt connect so I unplugged and I tried to clean it but it wasnt perfect , my charging rate was only 16A instead of 32A :( I only...
  11. Schulmann

    Odd battery behavior

    Battery cooling or heating ? or the 12v is weak ? What is the outside temperarure ? it can take a little time before my Tesla gets into deep sleep. For instance the outside temperature is 3c and Stator at 46c, my Tesla will cool the stator , result : 2% lost before going into deep sleep.
  12. Schulmann

    kwh required to charge 1kwh at each charge level?

    This is a good question that I am very interested in. The answer is easily available with a good logging software like Teslafi or Scan My Tesla. The efficiency of the charge depends on one sole factor: Battery temperature and 12v system’s state. (or something like that). I am still in search for...
  13. Schulmann

    Scheduled Departure Charges Prematurely

    Same problem here, scheduled departure is not working “perfectly”. Tesla charges at any time mainly when I plug it it. I dont know if it is because of winter. This is not an issue since the most important is to have the battery and habitacle warm for the departure time. And this is something...
  14. Schulmann

    Weird behavior of regenerative braking at higher speeds

    I have installed Scan my Tesla on my M3SR+, one of the reasons was to monitor regen and better understand its behaviour for high speed breaking and mountainous areas on the road. Unfortunately there is only one param on regen and it doesn’t t seem to provide any useful information. BUT I have...
  15. Schulmann

    Is my 12 volt dying? Or other range issue?

    Your Tesla is likely not deep sleeping. Can be sentry mod, cold weather. 12v battery is charged from main battery and can use 400wh. 12v charging is P1. This my main source of basic consumption on my SR+. Have your 12v checked at a local garage it takes 1min.
  16. Schulmann

    Vendor Scan My Tesla, a CANBUS reader for Android

    Cell is a Samsung S9+, with ELM 327 mini, slow to start but does well the job. However it drains the battery if I leave it connected. Difficult to get a Obdlink in Canada these days.
  17. Schulmann

    Vendor Scan My Tesla, a CANBUS reader for Android

    Once I select the BMS tab the application freezes, it is difficult then to remove the BMS tab, I have to open several times the app before I am able to get rid off it. it is not a big deal as long as I know that on the 3SR+ this option is blank. I wont try to display it again. I am very happy...
  18. Schulmann

    Vendor Scan My Tesla, a CANBUS reader for Android

    I just installed Scan My Tesla onto my 2020 M3 SR+. I purchased the app to figure out how to extend my range in cold weather and beyond the Supercharger Grid. One of the strange things that I have on my Tesla is when the battery temperature is between 15-18C the regen power is a gray area where...
  19. Schulmann

    Tesla scan on 120V charging in cold weather

    Finally bought Scan my Tesla and figured out thoose magical numbers: below -7C BMS will drain current to keep the battery warm. Stator uses 3kw to heat battery so on 120v this is a killer. Batt Target temp for 120V charging 3C and 7C for 240V Batt Target temp for road is 12C Batt Target for full...
  20. Schulmann

    AC Charging not working - draws 0 amps

    Reboot both car and charger. That s the firts step and usually works. if you have a Gen 3 Tesla charger log into the web interface and validate the settings.
  21. Schulmann

    SR+...Any benefit to rear swaybar?

    Professional racers remove rear swaybar from some cars because it helps to put down the HPs onto the road. it is a delicate balance between handling and winning a race. BMWs are the best example for this. The best is to rely on those who already have several thousand of miles with a ver specific...
  22. Schulmann

    Weird behavior of regenerative braking at higher speeds

    I had EXACTLY the same issue above 70kmph. No dots in the powerbar, battery was like hot. I had jerky deceleration several times. I have had this issue since september. Finally I documented and timestamped an entire day with this issue and I opened a service request. Tech told me to better read...
  23. Schulmann

    Max Length of charging cable you've run?

    I have an installation with 100' , 8awg cable, 240V/32A, I wish I had a 6awg. I have around 10V drop depending on the time of the day. On 120v when charging on a remote plug I run a high quality 10awg extension cable with no voltage drop.
  24. Schulmann

    Set point using Tesla app

    Same problem here, select 90% and charges 88%. We have to set it higher temporarly ?
  25. Schulmann

    32A, 7.4kw Single phase charging installation cable thickness

    My fuse box is 100' away from my Tesla charger and I have a 8awg cable. For a full charge the voltage drops from 238V to 231V at the end. The cable is warm. I wish I had a 6awg installation. Cable lenght is very important too.
  26. Schulmann

    Tesla scan on 120V charging in cold weather

    I am driving a 2020 SR+, using Teslafi for logging. I drove 10000mi in 4 months. Mainly charging on Level 2 at home. I just did my first 730mi trip to a remote location in cold weather around 30F. First day I had an average of 320 wh/mi, second day 300wh/mi, third day I did 285wh/mi and I also...