BMW 525 Engine Misfire

Code Po 313.misfire Detected With Low Fuel. Sorry Guys But I Already Made This Question Yesterday And Also Made My Donation Of $5.00. ...

First Noticed Occasional Clouds Blue Smoke From Exhaust. Then - After 3-4 Days - Eml Light Come On, Loss Of Power And Obvious Misfire....

The Battery Died While The Car Sat Awaiting Starter Repair. My Key Won't Unlock The Doors. Aaa Guy Spent An Hour, Then A Locksmith Spent...