Originally Posted by dcramer
My battery did that a new one solved it. BMW OEM batteries are not that expensive from the dealer
Ballpark figure on cost?
I know the US Walmart has the OE Bosch battery on the rack, but that's probably not the case here in Canada.
In addition to having your battery changed if old, check your running voltage using cluster test (9.0 I believe). A bad voltage regulator drained my battery overnight.