How many miles do you currently have and when was the last time you replaced your pre-cat oxygen sensors? They should be changed every 100,000 miles...
V/R Zachary Pullins Sr.
National Capital Chapter BMWCCA
NCC Member Recognition Chairman
NCC High Performance Driving School Registrar
NCC Auto-X BOD Liaison
DIY Senior Committee Coordinator
2006 E90 325Xi & 2000 E46 3XXi
" Vision without resources is just hallucination"