Hi everyone...just bought a 1998 BMW 318 IS and would like some advice with some issues it has....1st It has developed an intermittant misfire...probs needs new plugs but didnt know if they suffer from this....2nd the Blower Motor is also intermittant...isit likely to be the motor or controls?? ....lastly the fuel gauge has stopped working??? Any help/advice would help and be greatly appreciated...thanks matt