Unfortunately, I am experiencing the exact same malfunction with my '13 X5 35d, with 112K miles. Could not see the DDE with my laptop connected to the car. I called a tow and had the car taken to the local BMW dealer. They called me this morning and informed me they found the DDE contaminated with diesel, and shorted out. More investigation coming on Monday.
Until this malfunction happened - I loved my X5 diesel!
What's the latest with your repair?
If I need a new DDE - where can I find one reasonably priced?
Thanks for any updates.
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