vacation charging

I am planning on taking a 3 week vacation soon and will be leaving my M3 RWD in the garage for the duration. What is the best way to take care of the battery? Regularly, I'll drive the car down to about 30-40% and charge it back up to 80% - then also make sure to charge it to 100% once per week...

Hey! In two weeks, the wife and I will be going on vacation and i am wondering how I should go about charging my MY. We will be gone for a week and have the option to bring the MY or bring our other car. I can either leave the MY at home and on the charger or, I can bring the car and not be...

Very quick question. If you are not going to drive your car for 2 weeks, keeping it parked in the garage, do you just charge to 90% and leave it unplugged, or do you leave it plugged in for the full 2 weeks and have it charge at night on schedule (ie using Stats to charge every 3-5 days while...