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      09-01-2010, 02:16 AM   #39
creepy coupe
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Drives: BMW M340I G20
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2015 BMW 435d  [0.00]
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Quote:
Originally Posted by m1bjr View Post
Last week I had a service and they uploaded the new software that primes the pump when you unlock or close a door.
You can hear it whining as soon as you unlock, and again if you close a door if its not started for a while.
This is clearly to force feed a prime to the HPFP from the LP pump in the tank end.

Steve.

I had that upgrade a few week prior to mine needing a new pump and 6 injectors
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