Originally Posted by Leonardo629
I've had good luck with Monrovia when I serviced my M, no loose oil caps, no wash if you demand that...
BMW Monrovia are morons. They popped a valve spring on my 08 M5 when asked to change one of the horns. Took about two weeks to get it fixed after going to RPi and then South Bay. BMW Monrovia's "head tech" was like, "it sounds normal." Clueless.