Originally Posted by MJ
I just took my '07 328xi coupe off the road. It will be parked for 6 months. I was wondering how long I could leave it between starts (to charge the battery, I don't have a trickle charger) maybe once a week or two? Also how long would be good to run it during these infrequent starts? 10 minutes or more.
As usual any help would be appreciated.
Buy a charger and us it. They are silly cheap compared to the cost of replacing a battery in these cars. I use one when I am away for more than a few days for work trips.