Why does the BMW 5 Series Powertrain Warning Light Come On?

[Jackson]

Ignition coil failure leads to powertrain malfunction in the BMW 5 Series. Powertrain malfunction symptoms: This issue is relatively common in BMW 5 Series engines. Powertrain malfunctions may cause engine vibration, trigger powertrain warnings during sudden acceleration, and illuminate the engine warning light. Component failures causing powertrain malfunctions: Fuel pump damage or fuel pump sensor failure, injector damage can trigger powertrain warnings. Other potential causes include spark plug failure or carbon buildup, turbocharger wastegate valve damage, burnt relays in the right rear trunk fuse box, VANOS solenoid valve failure, or loose/damaged camshaft position sensor screws.