Reality check
“Intermittent charging is almost always ground, port, or onboard charger — not the battery.”
BMW i4 owners across Englewood, Littleton, and the south Denver metro depend on charge port pins, ground circuits, onboard charger communication, and HV cable integrity to stay reliable through Colorado elevation changes, freeze-thaw cycles, and I-25 commuting. Intermittent AC charging, DC fast-charge faults, and onboard charger errors frustrate BMW i4 owners. RKC tests charge ports, ground circuits, and module communication before recommending expensive HV component replacement. Reliable charging matters for daily Englewood commutes and weekend mountain trips. RKC Automotive in Englewood serves south Denver, Littleton, Aurora, and Highlands Ranch drivers.
Platform note for BMW drivers: N20 / N26 Timing Chain Guide Shattering: The plastic composite timing chain guides turn brittle due to heat and break apart, falling into the oil pan oil-pickup tube, starving the engine of oil, and causing total seizure. RKC inspects for these patterns during every i4 ev charging system inspection visit — not just the immediate symptom you came in for.
EV charging inspection covers AC Level 2 and DC port wear from daily Englewood commuting. Whether your i4 is a daily Evans Ave commuter or a weekend I-70 hauler, we match parts and fluids to BMW specifications and explain what failed, why it failed, and what prevents repeat repairs.