Fire risk Fuel system
A melting intake manifold increases the risk of a fire.
The EGR cooler may leak internally, causing coolant to mix with diesel engine soot, which could result in smoldering particles and a melting intake manifold.
What to do: Park away from buildings and book the repair now.
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Repair soon Fuel system
Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
BMW of North America, LLC (BMW) is recalling certain 2014-2018 328d, 328d xDrive, X5 xDrive35d, 2014-2016 535d, 535d xDrive, 2015 740Ld xDrive, and 2015-2017 X3 xDrive28d vehicles. The high-pressure fuel pump may fail.
What to do: Book this in with a dealer now. It affects a safety system.
Repair when you can Power train
A loss of power to the rear wheels can affect vehicle control, increasing the risk of a crash.
The constant-velocity joint which transfers power between the transfer case and the rear drive shaft, may become damaged, possibly resulting in loss of power to the rear wheels.
What to do: Book it in at your next service. There is no deadline and no charge.
Fire risk Engine and engine cooling
The melting intake manifold can increase the risk of a fire.
If the EGR cooler leaks internally, the coolant can mix with diesel engine soot. The high EGR temperatures may result in these particles possibly smoldering and melting the intake manifold.
What to do: Park away from buildings and book the repair now.