Hello every body, I have in my e38 740 1998 ABS DSC lights on , first time when gets rain and speedo not working , The left rear sensor has bad wire I replaced the wire and reconnected it , the speedo works , but the abs dsc light comes on when the speed above 25 km /hr
I use inpa the sensor not mentioned in error ( chassis > dsc sector )
Any one can help me please
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That could be pre-charge pump failure - but could also be another wheel sensor failing - you need diagnostics to determine which it is - pre-charge pump covered in the second section of this:
https://www.meeknet.co.uk/E38/ABS/Index.htm
Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i
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What is the error you are getting from inpa?
2001 750iL DD74441
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Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i
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Chase - Heroes to a generation
It occurs due to failure of the front rod , I fixed it today and the angle is zero when the steering wheel in its standard position, I previously had this problem with steering angle but only DSC light switched on , and I recalibrate it .
I jacked the car and moved the left rear tire the speed reaches 60km/hr and no error found
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Yes, that would certainly do it - well done!
Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i
My BMW Repair YouTube Channel
My Current 840ci Sport Individual
My Current 650ci Sport Individual
My E31 Repair and Information Website
My E38 Repair and Information Website
My E63/E64 Repair and Information Website
Chase - Heroes to a generation
Sorry for my poor english , I mean the pulsation was caused by faulty rod when I replaced it and did alignment the pulsation in steering wheel resolved , but the DSC ABS light still turn off above 25 km /hr
no error by inpa ( its seem that the abs sensors not coded within it ! )
I jacked the rear left wheel and moved it ( turn the engine on ) The speed reaches to 60km / hr with no dsc abs light , that is mean the problem not in the system as the car knows it is moving , I am right ?
It is the pre charge pump
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If I am reading this correctly can the ABS lights come on if a wheel is out of alignment? I have noticed my passenger front has worn badly on the outside edge and now pulling left and my ABS lights come on but I dont lose power steering function, speedo etc like I did on my M5 when it's unit died. 1996 750il but I am not getting any error codes with Torque Pro
2009 F02 740Li
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