Question about 2006 BMW 3 Series

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I have a 2006 bmw 320 si, N45B20S engine, car idles roughly, stalls very easily and fuel consumption is higher than normal, sometimes takes two pushes of the start button to start. Dealer has told me it is a software issue, had a software upgrade but problem still persists.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

HGComputers
  • 81 Answers

SOURCE: 2002 bmw 325i running rough

Did you replace your fuel filter when you did the pump? At lower RPM's the engine would be starving for fuel. Another cause could be your throttle position sensor. It is what shifts your transmission at predetermined shift points as you throttle up and down. It is also what kicks down your engine when you are stopping or slowing down as you go down through the gears. Hope that helps!

Posted on Jan 11, 2009

  • 62 Answers

SOURCE: Car hesitates/stalls when engine is warm and car starts to move.

Sounds like a bad motor mount, pop the hood and see if the motor shakes or moves rapidly when u put it in gear holding down the brake.

Posted on May 10, 2009

  • 534 Answers

SOURCE: 1987 bmw 325 idles rough

I had a similar problem on a 318IS.
The rough idling was accompanied by an occasional whistling noise from the general engine area (caused by air leaks through the front and rear crankshaft oil seals).

The problem was caused by a faulty crankcase ventilation valve (Costs about $100).
The vent valve is easy to replace - (2 screws) - check the vacuum hose that connects this valve back to the tappet cover air vent nipple - it goes soggy and disintegrates.- replace with suitable oil resistant vacuum hose.
While on the job, clean the throttle body / butterfly valve internally with a soft toothbrush dipped in petrol. This cleans off sooty deposits - makes engine idle rpm more consistant.

Posted on Jun 04, 2009

  • 105 Answers

SOURCE: HOW COULD I READ CHECK ENGINE CODE ON A 1986 BMW 325E???

You can't use a tool to pull codes from an '87 BMW 325(e). You have the 2.7 liter and your DME, or computer is a Motronic. If you had a 325i, then a tool could read the codes because the computer was upgraded that year to a Motronic 1.1 system with a round plug in under the screw cap on the driver's side under the hood. The only tool you can buy is the one for resetting the service interval light and resetting the oil change light. To answer your question about going about finding your driveability problem would be to get a BMW Bentley Manual. This manual shows you how to use a standard voltmeter to check everything from your computer plug in. Your computer is located above the glovebox.

Good Luck,

~Stillin~

Posted on Jun 05, 2009

  • 1 Answer

SOURCE: I have a BMW Z4 2003 2.5 with the exhaust emission

The Exhaust Emission Light can come on if the car is driven slowly over short distances.It will not happen on cars driven at speed. A short trip of ten miles at over 3000 revs should reset the warning light,although it may not go out for a couple of days after you have tried it . Hope this helps and saves a bill at the local dealer. JK

Posted on Jun 17, 2009

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