Thread: Poor fuel consumption X5 diesel
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Old 10-30-2025, 07:20 PM
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andrewwynn andrewwynn is offline
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Join Date: Jun 2015
Location: Racine, WI
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If you drive hard and it kicks in limp mode something is definitely wrong.

Yes definitely check the vacuum reservoir.

The typical symptom of the vacuum reservoir failing is you lose power going up a long hill.


–awr–

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