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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > F10 / F11 (2011 - 2016)

F10 / F11 (2011 - 2016)
The sixth generation of the BMW 5 Series Sedan (F10) was produced from 2011 - 2016 with LCI updates arriving in 2014. In the US BMW offered a hatchback 5 Series Gran Truismo (F07) and the rest of the world also go a Station Wagon/Touring version F11.

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  #1  
Old 07-26-2016, 07:51 AM
Flyinace2000 Flyinace2000 is offline
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Location: Morristown, NJ
 
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Mein Auto: 73 Mini & '11 Clubman S
Slow start when cold

In the mornings (or long weekends away) I've noticed that the car takes a bit longer to start. When warm it starts in less than a second, but when cold (or sitting) it takes 2-3 seconds. This sound like loss of fuel pressure. The crank speed is fine, just take a bit longer when not used for 10+ hours.

2012 535i xDrive
72k Miles

Most recent Service (70k miles)
Trans Fluid
Spark Plugs
Air Filter
Brakes (pads/rotors)

Last edited by Flyinace2000; 07-26-2016 at 08:01 AM.
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  #2  
Old 07-26-2016, 08:09 AM
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JayR04 JayR04 is offline
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Mein Auto: F02
Have you checked the battery voltage?
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Old 07-26-2016, 08:15 AM
Flyinace2000 Flyinace2000 is offline
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Mein Auto: 73 Mini & '11 Clubman S
When running the system is in the mid 14V and off the system shows low 12V. This is reported via the Carly Ap.
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Old 07-26-2016, 08:19 AM
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Might need a new battery.
Quote:
Fully charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts. If you don't have a multimeter to tell you the voltage of your battery, you can do a test of your electrical system by starting the car and turning on the headlights.
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Old 07-26-2016, 08:52 AM
v8power v8power is offline
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Normal, fuel pressure has drop when sitting over a period of time.
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  #6  
Old 07-26-2016, 08:53 AM
Flyinace2000 Flyinace2000 is offline
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Mein Auto: 73 Mini & '11 Clubman S
Quote:
Originally Posted by v8power View Post
Normal, fuel pressure has drop when sitting over a period of time.
Good point. I'll keep an eye on that battery though! Looks like its on its way out anyway.
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Old 07-26-2016, 09:49 AM
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At this mileage and age the fuel system should be still ok.

+1 on the battery
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