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stalling at a stop and when accelerating

craigellis

By craigellis,
in BMW 6 Series Forum

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craigellis Newbie

craigellis

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Hello All, I have recently brought a 2007 630i, it has started to stall when i pull to a stop at lights or about to start pulling away, the garage has said they can't find any fault codes and they are a little baffled has anyone else had this problem?

Greydog Grand Master

Greydog

Posted
Posted

Hi Craig

Welcome to the Forum

You need someone with BMW diagnostic software to scan the car, there is a Register of BMW Specialists Google and find the nearest to you.

Unless you are able to DIY? If you are then get yourself a copy of BMW INPA/ISTA or Carly for BMW, iCarsoft or Autologic the investment will save you a fortune in the long run

Your stalling could be a clogged fuel filter, failing fuel pump, MAF sensor, Throttle body the list is long so diagnostics are important.

Nice Car

Dave

SuzukiBoy2 Enthusiast

SuzukiBoy2

Posted
Posted
2 hours ago, Greydog said:

Hi Craig

Welcome to the Forum

You need someone with BMW diagnostic software to scan the car, there is a Register of BMW Specialists Google and find the nearest to you.

Unless you are able to DIY? If you are then get yourself a copy of BMW INPA/ISTA or Carly for BMW, iCarsoft or Autologic the investment will save you a fortune in the long run

Your stalling could be a clogged fuel filter, failing fuel pump, MAF sensor, Throttle body the list is long so diagnostics are important.

Nice Car

Dave

x 2

X5smw Community Regular

X5smw

Posted
Posted

Have a look for a split in the air intake after the maf sensor. It would cause stalling as the engine would run lean. Also check throttle position sensor and perform a reset and test. 
sound like an idle issue caused by incorrect air flow. 
unplug the maf and see what happens

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