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Boost pressure

Discuss the problems with your BMW X5 (E70).
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Shotgun
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Boost pressure

Post by Shotgun » Fri Sep 18, 2020 11:36 am

Hi all, I'm about to install a boost gauge after my re-map.can anyone tell me the standard boost pressure for a 2010 e70 x5m? And maybe roughly what pressure should be after the autowerx map? Many thanks, cheers.shotgun.

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X5Sport
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Re: Boost pressure

Post by X5Sport » Fri Sep 18, 2020 11:50 am

You might find something in newtis, but most likely it will be a set value in the BMW Diagnostics software. Not many X5M owners in here and I’ve never seen mention of an Autowerx remap. Can’t they tell you themselves?
:ant: Never anthropomorphise computers. They hate that.

Leslie
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Re: Boost pressure

Post by Leslie » Sat Sep 19, 2020 6:03 pm

Id think the boost won't have changed much if any , more power is got by putting in more fuel mostly. :D Must be a proper beast now though :driving:

Shotgun
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Re: Boost pressure

Post by Shotgun » Sat Sep 19, 2020 6:08 pm

610 bhp now. 15mpg. Was 11 before the map.cheers.

Leslie
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Re: Boost pressure

Post by Leslie » Sun Sep 20, 2020 3:19 am

Sounds like a lot :driving:

Shotgun
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Re: Boost pressure

Post by Shotgun » Sun Sep 20, 2020 7:11 am

555bhp as standard,610 after the map. The boost pressure is turned up which is why I'm asking what the standard boost is. I will ring the mapper on monday.

Leslie
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Re: Boost pressure

Post by Leslie » Sun Sep 20, 2020 4:35 pm

Shotgun wrote: Sun Sep 20, 2020 7:11 am 555bhp as standard,610 after the map. The boost pressure is turned up which is why I'm asking what the standard boost is. I will ring the mapper on monday.
I was thinking after and your right for petrols the boost is raised as they need to run at a certain air/fuel ratio but for diesels they mostly just get the fuel pressure turned up :D

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