Wierd limp mods and electrical issue after dealer visit.

5soko · 02-07-2010, 11:58 AM

Well i had a light come up out of nowhere i needed to service my brakes soon.

OKay, brought it in to the dealer to get serviced and while going there, low RPM heavy throttle in 4th or 5th gear, i get a limp mode, havent got one in a long time. shut car off and continue to dealer. didnt care much as to why, had JB3 installed on map 7.

They changed a brake sensor and thats all. It ran fine the rest of the day.

Today i start it up on am on the highway and i get a 'ELECTRICAL SYSTEM MALFUNCTION'

the ABS, treaction control and the speed and rpm jumped up and down. Everything lit up like a christmas tree.

It flashes and warns me about two times and then it goes away, then it comes back, goes away until finally a service engine soon light stays lit?

Anyone have any idea what this means?

Electrical system malfunction!!

Here is a pic i got, this is what came up on my screen. the ABS, DTC, service engine son, and all those lights came on, the rpm and speedo needels would jump up and down randomly.

Mr. 5 · 02-07-2010, 12:07 PM

It sounds to me that this issue was there before but the dealer didn't catch it.
I would go back.

5soko · 02-07-2010, 12:11 PM

Yea, i def am going to go back.. Just wanted to see if anyone got one of these before as i havent really seen a issue like this. pretty wierd. Of course it happens the next day after i go to the dealer.

5soko · 02-07-2010, 02:58 PM

okay small update.

Went to the car this morning and started it up, everything works okay, the service engine soon light is on but everything is okay

I disconnected the battery, removed the JB3 pnp and went to stock, started the car and the fan come on nice and loud. the service engine soon light was still on.

I shut the car off, turned it on again twice, and the service engine soon light went away, went for a drive and everything is okay!!!

So maybe it juss needed a battery reset?

I am gonna drive it stock for a while since i put about 80 miles after the dealer visit before this came up and see if i can reproduce it.

02-07-2010, 11:58 AM	#1
5soko Brigadier General 351 Rep 4,633 Posts Drives: M5 Join Date: Aug 2007 Location: Brooklyn, NY iTrader: (4)	Well i had a light come up out of nowhere i needed to service my brakes soon. OKay, brought it in to the dealer to get serviced and while going there, low RPM heavy throttle in 4th or 5th gear, i get a limp mode, havent got one in a long time. shut car off and continue to dealer. didnt care much as to why, had JB3 installed on map 7. They changed a brake sensor and thats all. It ran fine the rest of the day. Today i start it up on am on the highway and i get a 'ELECTRICAL SYSTEM MALFUNCTION' the ABS, treaction control and the speed and rpm jumped up and down. Everything lit up like a christmas tree. It flashes and warns me about two times and then it goes away, then it comes back, goes away until finally a service engine soon light stays lit? Anyone have any idea what this means? Electrical system malfunction!! Here is a pic i got, this is what came up on my screen. the ABS, DTC, service engine son, and all those lights came on, the rpm and speedo needels would jump up and down randomly. Last edited by 5soko; 02-07-2010 at 12:07 PM..
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02-07-2010, 12:07 PM	#2
Mr. 5 Modder Raider 802 Rep 8,633 Posts Drives: M3 Join Date: Apr 2007 Location: Surf City, HB iTrader: (31) Garage List 2007 e90 335i [8.00]	It sounds to me that this issue was there before but the dealer didn't catch it. I would go back. __________________ e36 M3 Coupe, e36 325i Sedan e90 335i--SOLD Best 60-130-------------9.15 Seconds------------------WWW.MR5RACING.COM
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02-07-2010, 12:11 PM	#3
5soko Brigadier General 351 Rep 4,633 Posts Drives: M5 Join Date: Aug 2007 Location: Brooklyn, NY iTrader: (4)	Yea, i def am going to go back.. Just wanted to see if anyone got one of these before as i havent really seen a issue like this. pretty wierd. Of course it happens the next day after i go to the dealer.
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02-07-2010, 02:58 PM	#4
5soko Brigadier General 351 Rep 4,633 Posts Drives: M5 Join Date: Aug 2007 Location: Brooklyn, NY iTrader: (4)	okay small update. Went to the car this morning and started it up, everything works okay, the service engine soon light is on but everything is okay I disconnected the battery, removed the JB3 pnp and went to stock, started the car and the fan come on nice and loud. the service engine soon light was still on. I shut the car off, turned it on again twice, and the service engine soon light went away, went for a drive and everything is okay!!! So maybe it juss needed a battery reset? I am gonna drive it stock for a while since i put about 80 miles after the dealer visit before this came up and see if i can reproduce it.
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