Remove Emissions Testing Remove Technical Remove Utilities
article thumbnail

BMW G-Chassis 3-Series Common Problems

Alex's Autohaus

Technically, the US market gets a variant of the B48 called the B46. They are identical, other than a few small differences that allow the B46 to meet tighter emissions regulations. In addition to failing emissions tests, a failed EGR valve can impact the way your engine runs. The power output between the two is the same.