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I haven't read through all the replies. If you are still trying to keep the rex from trying to start, have you tried removing the fuel pump relay? The car will recognize the open circuit for sure, and therefore (I think) not try to start the rex.

I am in Baltimore Maryland. I have several tested 94ah batteries on hand. I can install and code for $6k total price. I can also bring the battery to the buyer and install there, within reason...not to Hawaii!

Do you still have this? I am just the person to put one of the many I3 batteries I have on hand, in that car! I'm not sure where "Atl" is.

Having done a few EV battery swaps, it doesn't seem doable at a reasonable price point. There are people who complain about the cost of DC fastcharging! They need cooling. They need to tell the car how much capacity they have. Maybe you could have a main battery that stays in the car, is...

I have read about the earlier ISTA version that could reinitialize the BMS to think it had it's original capacity. I suspect It was supposed to be for use after actually replacing the battery modules. The problem was some people used it to make the capacity estimate look good, without actually...

I have the same software (ISTA) that the dealerships use to run the capacity test. There is no option to change the size of the buffer. The buffer is created by the difference between what voltage the cells are allowed to charge/discharge to, and how much the cell could charge/discharge to...

By the way, I can install a tested and guaranteed 94ah with more than 27kwh into your car for $6000. I have one ready to go right now.

The first time I tried to get the capacity test done, BMW of Annapolis told me it was "fine" I had ISTA and the ability to run the test myself and ran the test 3 times, failing every time. I asked them how they got it to pass the test, and where was the print out the test was supposed to make...

Hi, I work on i3's in my spare time. As far as I know I am the only one doing 60ah to 94ah upgrades in the US. I am in Baltimore, but I will be working as an entertainer at the Garden City Country Club this Sunday, Dec 8th. I will send you a private message.

Yes it makes sense to have a scanner to read the codes. a blue tooth obd2 adapter and bimmerlink is a easy to use, low cost option.

No, it's just the cell temp sensors that have had their warranty extended. I haven't heard of people having trouble with them. There are at least 96 of them per pack though, so if 1 out of 1000 would go bad after 10 years, that would be a lot of cars.

Even the older 94ah batteries that I have checked still have 100% or more of their original RATED capacity. They were under rated from the factory, so this does not mean they have no degradation. They do hold up really well though, and loss of capacity is not the serious problem that it is with...

45 miles range is pretty low. As has been mentioned, temperature is a big factor. Another lesser known factor is that if you don't run the battery all the way down once in a while, the car's estimation of it's battery capacity can become less accurate, usually tilting toward the safe side...

The pinto was bad because a hit in the rear could split the seam on the gas tank, spraying lots of fuel on the hot exhaust (fireball) while at the same time, the doors would jam. Even so, it only killed around 27 people, which is dwarfed by the 40,000 that die in regular vehicle accidents in the...

My experience makes me inclined to agree that it is the interruption of regen, but if this is a experience you can reproduce, what is the MPH increase you experience and what is the angle of the hill you are going down? Can this acceleration happen while going uphill?

I can't think of a specific document. Might just be what I have seen the car do.

I find it helpful to remember what the car shows you is not your range, it's your car's ESTIMATE of your range. It is affected by a large number of things. Let's say you live at a slightly lower altitude than the places you go. The downhill of driving on your way home took less power per mile...

I put a 94ah battery from a salvage 2017 into it when it had 74k miles. The old battery worked fine and was showing 14.2 Kwh. I just wanted to learn how to do the upgrade as that skill would be valuable as more of these cars ran out of battery warranty. I upgraded my rex battery to a 94ah as well.

Update: I flew down to Florida and bought this car. It was nice shape and drivable. I ran in on the rex to put less heat into the HV battery. Drove it 200 miles in heat as high as 100degrees. battery temp slowly rose as I drove, and did not go down noticeably when I parked for 2 hours. Drove it...

What sends these cars to the scrapyard is expensive BMW dealership repairs. It is hard to predict when it may need one of those...unless you can find someone who can work on the car affordably.. I have 110,000 on my 2014 bev and 100,000 on my rex. I bought 7 i3 over a few years. I buy them...