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  1. J

    Is 40 twice as fast as 20?

    Newer vehicles tend to get larger batteries. Many of them can handle more power coming in. Some can handle 60A or so. At this point, on ACV, the most I've seen is 7400W on any BMW, but there are new ones coming out in about a year that probably will be able to handle more, and 7400W requires...
  2. J

    Why is the roof black?

    I bought the BMW car cover way back when... It makes huge difference in the interior temperature when the sun is out. https://www.shopbmwusa.com/product/4656/BMW-I-CLIMATE-COVER In reality, it only takes less than a minute to put it on, if you want to fold it when taking it off, it takes...
  3. J

    adaptive cruise control dropping out

    FWIW, many CC systems say do not use them on hilly, curvy roads, or on slippery surfaces. 100-years ago, southern New Hampshire was mostly farms. Very few today. It used to be a few patches of trees and fields but today, it's about 98% trees outside of a town. The i3 doesn't like the deep...
  4. J

    Increased U-Turnage in the i3...

    Many of the small cars these days are front-wheel drive. There's a limit on how far you can turn a wheel with a drive-shaft attached...given the design goal of the i3, as a city car, is probably one reason why they designed it as a rear-wheel drive vehicle.
  5. J

    Flooded I3

    Bummer... The black piece covering the rear of the hatch just lifts up from the floor. I'd take that out and see what you can see. You might just be able to soak that up with a sponge. The interior electronics components (i.e., not those mounted outside or underneath) don't like to be...
  6. J

    Want to buy Rims and/or Winter Tires

    I have a set of four OEM winter tires/wheels/TPMS from 2014, decent tread depth, but getting old. $800 + shipping. Send me a PM. Also have a brand new, still in original plastic, BMW i3 front/rear winter mats $100+shipping. PM me. Easier and cheaper if you're local, but can ship. Selling...
  7. J

    Adding apps

    Some of the newer ones might support Apple carplay, so then, you're displaying whatever is on your phone. This is the sort of question one of the BMW geniuses at your dealership, or over the phone should be able to answer, and help you with, if it's possible on your vehicle.
  8. J

    New(er) I3

    The car thinks it's in diagnostic mode under some conditions, and that can mess some things up if the OBD port is being used. BMWs in general, don't like an OBD device being attached for anything but diagnostics or maintenance. On a used one, if the old user account was not deactivated, it...
  9. J

    New joiner / on the verge of closing - a few ??

    The earlier i3's came with a plastic motor mount for the electric motor. In the USA, they had a recall to replace the mounting bolts with stronger ones. Newer ones were redesigned and are metal. They updated the software to better detect if a wheel became unloaded after hitting a bump. With...
  10. J

    Rear brake disc and pad change

    Depending on the MY and market, the brake wear sensors could be of two different types. One is a two stage affair that gives an early warning the brakes are wearing, and then after things wear down some more, a more critical warning they're about to be gone. On others, it's simply a loop that...
  11. J

    Windows and Sunroof Open Without Reason

    One of the reasons I bought a Clipper Creek unit is that they specifically designed their box to restart if there was a power glitch that sometimes (not always) causes some boxes to need a reset to start charging again.
  12. J

    New joiner / on the verge of closing - a few ??

    THere is a procedure to replace broken/crushed CFRP parts of the frame and it requires making a cut at a designated point, and bonding in new replacement section. If the accident didn't get that severe, the frame may not have needed anything. I'd want to know if they performed a 4-wheel...
  13. J

    Windows and Sunroof Open Without Reason

    It could just be that you accidentally pressed the unlock button on the fob. I found that that happened a bit too often and the solution (since I have comfort access on mine) was to buy the fob cover, and place the fob in it upside down - easy enough to do I found! ON the i3's fob, the unlock...
  14. J

    Rear brake disc and pad change

    If the wear sensors haven't been triggered, you probably don't need to replace those. I haven't looked at the i3's brake rotors that closely, but on some of their models, they use an aluminum center, and cast iron outer wear surface to save some weight. Not all of the aftermarket ones do the...
  15. J

    Fault code 21F13D

    If a problem is transient, eventually, it clears on its own. Can't say on that one.
  16. J

    front seat back removal

    The circuit going into the seat is for heating. I think that there is also an occupancy sensor that adjusts the speed of airbag inflation, and I think there's an airbag there as well. You may find the car will indicate an error on the airbags if you disconnect plugs. Your best source would...
  17. J

    Rain sensor - present but is it working?

    I think first, you'd have to replace the switch so it had the auto button on it. THen, it MIGHT require a coding change to inform the vehicle to look for that signal. On some things, that information is present, but since there's no switch to initiate the message, all you need is the switch...
  18. J

    Suggestions on getting my i3 from Dealer to Home on i5 LA-SAC

    I just double-checked their website, and Bimmercode now does support tweaking the REx activation level https://www.bimmercode.app/cars/i3/ . Just make sure you check their OBD-II adapter compatibility chart before you pick one. ANd, note, it will depend on whether you have an Android or iOS...
  19. J

    Suggestions on getting my i3 from Dealer to Home on i5 LA-SAC

    I don't remember the name right now, but there's a company that will sell you a USB drive that will program the REx for you. IT works as a toggle...if it's "off", when you insert it, it turns the capability on; if it's already on, it will turn it "off", restoring it to factory capacity. The...
  20. J

    Highest Mileage i3/REX?

    WIth the instant torque during acceleration, and the regeneration when you let off, the rear tires on an i3 get that double whammy, and will wear out first. Depending on how aggressively you drive, if you push it into turns, the front may wear from going around the curves, but not so much as...
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