All technical designs are compromises and trade-offs between competing functional virtues and parameters. We get that you want more ground clearance.
Whether you use Tesla parts or not, changes in camber are intrinsic to raising or lowering ride height of a suspension. The degree of camber change probably is not going to be particularly significant on the order of 0.1 or 0.2 degrees of increased positive camber, but outside of buying customized control arms for your suspension, camber is not adjustable front or rear.. It's still not desirable, to add positive camber, particularly if your performance version already has minimal negative camber on any of its Wheels, in other words it's possible that if your car is borderline in terms of its alignment specs raising it might put it out of spec but again we don't know.
I honestly don't believe that gaining a centimeter of ride height is going to make a wits bit of difference in relationship to scenarios where you might bottom out the car. if you load the car enough and you take it over speed bumps, and you generally treat it as though it's not a performance sedan but some version of an SUV with a fancy wrapper on it, you're going to bottom it out. It seems to me a much smarter approach is simply to accommodate your driving to these limitations. You're going to pay somebody probably on the order of four to five hundred bucks to swap out an all wheel drive suspension, and that's assuming you can get somebody to donate those suspension parts and you don't have to pay Tesla for them. Otherwise you're talking on the order of $2,000. At that point your car is going to be worth less on the resale Market unless you put the Performance Suspension back in because nobody's going to want to buy it the way you have it configured. Frankly that's a colossal waste of money.
It seems to me you've got an obsessive focus on this small limitation associated with a 1-cm ride height reduction which is actually rather modest in a performance version of a sedan where a more typical lowering might be on the order of an inch or more. A much much smarter approach would be to get a coilover kit that allows you to adjust the ride height then raise it and then when you sell the car lower it to a more conventional ride height. MPP makes a Comfort coilover kit that does not hurt the handling but gives you somewhat better shocks than stock but you're going to spend some money on that. If ride height is really critical you might as well do it the right way, instead of what you're thinking about doing which frankly is at best Half Baked. Additionally you will probably recover some of your capital investment on the coilover kit because unlike what you're going to do which is going to deteriorate your resale value, the coilover kit will probably improve it, although probably not as much as you're going to spend.
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