SOURCE: 2004 BMW 525i Active Steering problem
The Active Steering system uses a Papst
brushless dc motor to rotate the cage (ring gear) containing the planet
gears a planetary gearbox at the bottom of the steering column. The
motor effectively changes the steering ratio by increasing or
decreasing the amount of gearbox output rotation relative to changes in
the steering-wheel angle input. The resulting ratio depends on the
speed of the car. For instance, a low 10:1 ratio gives high
maneuverability for parking in tight spaces, with less than two turns
of the steering wheel, lock to lock. To track straight at highway
speeds, where even a small steering input can produce a quick sideways
acceleration, the electric drive boosts the ratio to 20:1. Cars without
Active Steering typically have ratios halfway between (specifically
14.1:1 for the BMW).
....
Now, if your active steering does not work , the car reverses back to power steering and the ratio is 15.1:1 so the car can be driven but the "active steering " is not working and still needs to be fixed.
It the unit needs to be replaced and your car is not under warranty, the repair cost may reach 5000 dollars.
SOURCE: Yellow DSC and Brake light on... recently changed brake pads
Abs and dsc are related and with the light on these won't work. It is possible that you need to go back to where the work was done to look this over.
SOURCE: I have a 2005 BMW x5 as soon I start driving, my
Hi This sounds like a DSC fault more than anything, have you any fault codes? have you fitted anything new to your vehicle recently that is made by someone other than BMW?, you could try unplugging the DSC unit and having a look at the plug for corrosion on the contacts, ( this is the same as ABS module located on left hand side near head light on normal car under bonnet/hood should be same for yours) also you can have a look at the throttle body connector for same thing corrosion on the contacts, just clean and see how that goes, but check to see if you have error codes in the ECU/ECM just something for you to look at please contact me for anything else...good luck
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