It seems that from the information I've gathered from different sources
Any 17" wheel with a 7" width and a offset of +20 or less should work.
The Braid (Fullrace A) so far are the lightest wheel I've found someone else to use (and work without any other modifications).
There are more choices on fitmentindustries.com where you can find the required offset for 17" needed using their filter tool they have (
real good search on there) BUT the wheels they have listed are not as good of quality. The Fullrace A comes in at a incredible bang for buck for $400 per wheel for the 17x7 and being only 17lbs which should greatly improve range the M3.
You can also have the Fullrace A 17x8" width but according calculations I made on WillTheyFit.com the offset will have to be at least +7 or less. This will cause the wider 17" to stick out of the wheel well which will hurt range.
The 17x7 +20 offset makes a lot more sense efficiency-wise since the wheel will sit where the Tesla OEM sat.
The wheel is being offset by 1.5 inches and then being reduce by 1.5 inches
(your basically deleting 1.5 inches on the right side of the OEM wheel (8.5"), where the smaller 17" rim would conflict with the brakes/suspension).
It seems like the FullRace A wheels can be made it order with any offset making this the best choice so far. I've looked at all their other wheels and nothing else their lineup will work or be lighter. (They do have lighter, but not the right bolt size and wayy expensive).
I don't plan to change anything until the tires I have wear out (I just bought my M3 LR lol). But I will think about this. Getting a ton of range would be nice, but I am REALLY impressed that the 19x8.5 inch Tesla wheels are only 25lbs! Hmmmmmm!!
If anyone does get the 17x7 Full Race A's, make sure you get a great tire to go with it to keep up traction. The Tesla OEM tires are trash, you should have no issues with these tires that I recommended previously, they can handle the weight and score really high on the charts.