M5- RPM

[I-mad]

On which RPM should be the arrow when the car is on (N) ? because sometimes it stays between 600-700 rpm, and sometimes it goes up to 900rpm ... without using the AC... y is that ? yeah something else, the rpm starts to play (it goes up n down) everytime I refill petrol, is that normal ? I usually switch the engine off..

[Ayham]

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Why did u start too many threads? One general thread about the E60 M5 would be enough and you ask everything you want to know about it in it.

[I-mad]

Sorry for that, Im still new here...

[Ayham]

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No problem....it'd be easier for you to keep track of the answers.

Always switch your engine off while refueling, especially when from totally empty. Reason is to prevent lines blockage probable from residue debris in the tank stirred up be the incoming fuel jet. The RPM dip is normal, it's from the fuel pump level sensor as it adjusts its flow and pressure.

[I-mad]

So the air mass sensor has nuthen to do with tht ?
bcuz sometimes when its on (N) it moves from 600rpm to 900rpm, it keeps on doing that every 2 minutes..

[Ayham]

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Yes if this is happening in times other than the gas pump then it's most likely your MAF on its way out.

[Bruno]

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Its normal. The idle rises and goes down depending what she desires. Now if the idle changes rapedly from 700 up to 1000 and back down like 10 times a minute then u have something wrong.


Other than that its normal

[Ehssan]

Imad , give us a break dude ,, at least one thread a week :D ,,,

back to topic : this is normal for the S65's engines ,, when the cats get cold a bit ( it has nothing to do with UAE weather ) , the ECU raises the RPM to almost 900 to heat it up a little bit to perform as what it should be ,,, nothing to do with MAF's , or gas refill ,, if the Idle is not stable , then we are talking about something else ..

good luck ,, sounds like you need a proper class of how to E60 M5 . :lol:

[I-mad]

Thanks every1, I really appreciate it

[I-mad]

Imad , give us a break dude ,, at least one thread a week :D ,,,

back to topic : this is normal for the S65's engines ,, when the cats get cold a bit ( it has nothing to do with UAE weather ) , the ECU raises the RPM to almost 900 to heat it up a little bit to perform as what it should be ,,, nothing to do with MAF's , or gas refill ,, if the Idle is not stable , then we are talking about something else ..

good luck ,, sounds like you need a proper class of how to E60 M5 . :lol:

People learn dude, no body born knwing everything.. and yes, I'd be happy to get every single detail about the E60 engine & gear box.. I used to spend lots of time in industrial areas learning and working... and if im bothering every1 here with my questions then simply dont reply, thanks to every1 again

[RAFiK]

People learn dude, no body born knwing everything.. and yes, I'd be happy to get every single detail about the E60 engine & gear box.. I used to spend lots of time in industrial areas learning and working... and if im bothering every1 here with my questions then simply dont reply, thanks to every1 again

you've got to get used to Ehssan :rofl: he means no harm buddy he just likes teasing people ;) ..

Always ask questions, don't hold them back ;).. this is why we have the forum..

[I-mad]

Its fine man... My respect for both of you :)

[Ehssan]

you've got to get used to Ehssan :rofl: he means no harm buddy he just likes teasing people ;) ..

Always ask questions, don't hold them back ;).. this is why we have the forum..

+1 ..:D