Need servo motor HELP - BMW 3-Series (E90 E92) Forum

Brooklyn E90 · 10-19-2012, 08:05 PM

what up guy/gals . Long story short my abs 4x4 brakes lights came on and brought my car to bmw and diagnose and came up to be a servo motor . I have read and it easy to install servo motor but do i need to program or calibrate after being installed . Your help would be much appreciated.

JamesM3M5 · 10-20-2012, 12:06 AM

If I remember my training correctly, yes, you need to teach the lockup characteristic for the new servo motor on the transfer case. I will have to review the manuals and check the Autologic, but I'm pretty sure you can't just bolt in a new motor and expect it to work.

May want to check the coding forum to see whether this can be done via INPA. Otherwise it's off to an independent shop to hook up to their diagnostics.

10-19-2012, 08:05 PM	#1
Brooklyn E90 Second Lieutenant Drives: 335xi Join Date: Feb 2011 Location: Brooklyn NYC Posts: 295 iTrader: (4)	Need servo motor HELP what up guy/gals . Long story short my abs 4x4 brakes lights came on and brought my car to bmw and diagnose and came up to be a servo motor . I have read and it easy to install servo motor but do i need to program or calibrate after being installed . Your help would be much appreciated. __________________ Exterior : VRM VB3 18" wrap in Dunlop , Matte black grill , OEM Blackline Taillights , LED license plate light Performance : JB4 , Borla Performance Catback , Injen DCI Interior : Full LED , Rixster vent gauge , Euro Fog light switch , Valentine 1 radar with conseal display
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10-20-2012, 12:06 AM	#2
JamesM3M5 Some dude Drives: E28 M5, E92 335i Join Date: Sep 2011 Location: Northern VA Posts: 1,572 iTrader: (0)	If I remember my training correctly, yes, you need to teach the lockup characteristic for the new servo motor on the transfer case. I will have to review the manuals and check the Autologic, but I'm pretty sure you can't just bolt in a new motor and expect it to work. May want to check the coding forum to see whether this can be done via INPA. Otherwise it's off to an independent shop to hook up to their diagnostics. __________________ RRT Racing E92 335i/6MT Dinan Stage 3 intercooler, oil cooler, intake, flash. E28 M5, R171 SLK350

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