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Ask Mike Kelly Your Own Question
Mike Kelly
Mike Kelly, Auto Service Technician
Category: BMW
Satisfied Customers: 5470
Experience:  17 years experience as an auto mechanic, foreign and domestic. 5 years running my own repair business.
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X3 2.0d.2007 Wont start first time, starts straight away 2nd

Customer Question

X3 2.0d.2007 Won't start first time, starts straight away 2nd time,also fuel consumption has got worse from 41mpg to 36mpg in a couple of weeks
Submitted: 3 years ago.
Category: BMW
Expert:  Mike Kelly replied 3 years ago.
Hi,my name is XXXXX XXXXX I will assist you with your question.
Are there any type of warning lights coming on?
Customer: replied 3 years ago.
No warning lights
Expert:  Mike Kelly replied 3 years ago.
From what you are describing this issue is consistent with a electrically failing crankshaft position sensor,the sensor would need to be ohm tested and likely replaced.

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