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Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 3037
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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Car wont start everytime seems to in afternoon but not

Customer Question

car wont start everytime seems to in afternoon but not morning. not fuel pump starter or battery
JA: Have you ever replaced the fuel pump, or is this the original?
Customer: we swapped fuel pump still no luck
JA: What is the model/year of your BMW?
Customer: always cranks strong just doesnt always start 2004 525i 3 weeks in shop with no luck
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: yes hopefully in Germany and these guys seem confused just looked at IVM and the circuit board seemed fine
JA: Anything else you think the mechanic should know?
Customer: runs totally fine once car does start and can run forever
Submitted: 8 months ago.
Category: BMW
Expert:  Steve replied 8 months ago.
Hello and welcome,

My name is ***** ***** it will be my pleasure to assist you today.
is there spark and fuel pressure when the car won't start?
Customer: replied 8 months ago.
im guessing no fuel pressure when the car is in its no starting stage
we did spray a little starting fluid in intake and it fired right up