Fire risk Engine and engine cooling
An electrical short can cause the parts within the PCV valve to melt, increasing the risk of a fire, even when the vehicle is not in use.
0si, X3 xDrive30i, X5 xDrive30i, Z4 3.0i, Z4 3.0si and Z4 sDrive30i vehicles. The heater for the positive crankcase ventilation (PCV) valve may short circuit.
What to do: Park away from buildings and book the repair now.
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Repair when you can Exterior lighting
Intermittent light operation reduces the ability to warn other motorists of the driver's intentions, increasing the risk of a crash.
Over time, increased resistance at the taillight electrical contact points may cause damage to the ground terminal and housing of the connector resulting in an intermittent or permanent loss of functionality of one or more rear lamp functions (tail, brake, turn-signal, reverse).
What to do: Book it in at your next service. There is no deadline and no charge.