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It was "plug & play"... mechanically. I replaced all the mounts and mount-brackets with 2018 parts as well, to eliminate that early i3 issue at the same time. The motor "OFFSET" value needs to be coded into the EME, so the inverter can properly time the 3-phase drive power at the proper time...

Whine... the motor will start to make an audible whine that worsens with age. My whining started at 70k miles, and I was informed by BMW that "That is normal for the i3". They lied. By 94k miles the whine turned into a SCREEEAAMMM... so loud I could barely hear my radio. So I parked it in my...

I replaced my drive motor at 94k miles. (2015 BEV) It had gotten so loud I could not drive it any more... so it sat for 11 months... became a garage hermit. I also took the opportunity to replace the transaxle, since I found a bargain on a new one that someone bought online and was for the...

I have a 94Ah also from a salvage 2017 with minor rear-end damage, no airbags deployed. My 2015 (with 110k miles) needs this upgrade/retrofit. Besides the obvious refrigerant work, what else is required? Both had/have heated seats... donor was a Rex, my 2015 is a BEV.

I have the 2015 BEV Tera with heated seats, and have a 94Ah battery pack sitting in my garage, waiting to be installed. Battery is from a 2017 Rex with heated seats. Donor had been in a relatively mild rear-end accident, no airbags deployed. I've read that the 60Ah cars have the necessary...

Yes... I did.

You can code your i3 for the same power of the i3s.

I got my car back on the road after an 11 month hiatus... while waiting for money and parts. I found a 2018 drive motor/transmission on ebay from a Rex, so I knew the transmission would not be compatible... but it was a great deal... had under 100 miles. It was a legal scrap, a test vehicle...

Hopefully they also entered the "Offset" value into the drive system...? That tells the EME what the exact offset is from the rotor to the magnetic position sensor, aka "resolver". Without performing this data entry, the EME will still use the previous motor timing value, and your new motor will...

He didn't suggest a dealer repair, but an indie... independent repair shop. That's a very valid suggestion he made... a new compressor is around $1300 online from a BMW parts dealer. Flush though will only be as good as the shop understands the electric valves in the system, which need to be...

What was your conclusion?

This is exactly how I felt when my drive motor failed... they under-designed it (wrong type bearings, and no live-lubrication) expecting to get past the warranty period, then insult with the $2k offer. Oddly, they DID help quite a few owners with a free replacement motor via Goodwill...

https://www.mybmwi3.com/threads/yes%E2%80%A6bmw-honors-their-battery-warranty.17643/

Have you all searched Reddit and FB i3 Groups for this? There have been several owners who have had CARB warranty replacement on i3 batteries.

It does not matter where it originated or came from, if it's Registered in California, it gets CARB warranty.

Although BMW upgraded the drive motor bearings in 2018, the root problem remains... they are sealed bearings that are too small, and have no lube recirculation for filtering or cooling... resulting in a rather limited lifetime. I had to replace my 2015 drive motor at 95k miles. The problem...

Very old thread, but I've recently read that the first Gen i3 already have the codes in the computers for the 94Ah battery... and that it's a simple "retrofit" matter... like enabling (retrofitting) the 10" screen in a car equipped with the small screen. I bought a 94Ah battery from a salvage...

Have you had any issues following the bearing replacements? How were you able to get the rotor re-installed exactly in-sync with the resolver - so that the inverter still had the proper stator/rotor timing ?

Did you ever move forward with this? I already have a 94Ah pack from a similar situation, no airbags deployed. My 2015 BEV is undergoing drive motor and transmission swap now, and after that I'm hoping, hoping to see what's involved in the battery swap... other than the obvious discharge and...

How certain are you on the x3 bolts... 07-11-9-907-560 BMW shows this as a long sway bar link bolt "Hex Bolt 071000"