Automotive Electronics, EV & Hybrid Diagnostics
Automotive Electronics, EV & Hybrid Diagnostics
BMW i3 screen restarting or losing settings? A source-based guide to the 2013–2022 scope, useful evidence and software assessment enquiries.
What to record when BMW i3 infotainment keeps restarting Read More »
A BMW technical bulletin links a Z4 G29 roof timeout to a sensor issue. Learn the stated scope and what to prepare for electrical diagnosis.
BMW Z4 G29 fault 805090 and convertible roof sensor checks Read More »
A documented 2013 BMW i3 example explains why shared electrical-supply evidence matters before replacing individual controllers.
BMW i3 I01 (2013) electrical failures and the B+ supply Read More »
A driving-dynamics warning with a controller that cannot be reached by the scan tool needs vehicle-side diagnosis. The lack of communication is an observation to investigate, not proof that the controller itself is beyond repair. Vehicle-specific technical example For the BMW 530d GT F07, 2010–2017, HELLA describes a shared electrical supply involving the driving-dynamics controller
Checking the shared supply behind a BMW F07 driving dynamics warning Read More »
BMW · BODY ELECTRONICS · REPAIR GUIDE An exterior light that stays off does not automatically mean the footwell module needs replacing. Record the fault, identify the circuit and ask for an assessment before buying a used FRM. Is it output protection or a failed module? HELLA documents a 2005 BMW 1 Series E87 case
Diagnosing BMW FRM lighting faults before replacing the module Read More »