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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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Old 11-14-2012, 02:07 PM
xchudyxpl xchudyxpl is offline
Officially Welcomed to the 'Fest
Location: USA
Join Date: Apr 2008
Posts: 139
Mein Auto: 2002 530i & 2008 X5
Engine fail safe

Hi, guys

Here is the story in the nut shell. Today I replaced MAF sensor on my 2002 530i with the cheap aftermarket part ($30). After the replacement SAS light went out. After driving couple of times everything was fine until ENGINE FAIL SAFE appeared and cars throttle was not responsive at all.

Here are my thoughts:
I know that electrical parts should be OEM (times are hard wanted to save money)
The engine fail safe went off after I restarted the car.

My prediction is that the new aftermarket MAF sensor is throwing off the computer and causing this mess.

Please advise, I still have the original MAF sensor which I can put pack any time.
Is there any danger with having aftermarket MAF sensor installed?

Please advise.

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