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My 2000 bmw z3 roadster has a gear lite coming on erratic when it is on the cruise control is inop. check for codes have a code 39 in ref to brake lite switch clear code cruise works
Does the car have two brake lite switches one lites and one to cruise circuits to cancel cruise every time the lite is on cruise is inop
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It could either be the flex disc or drive shaft center bearing. I had the same problem on my 98 Z3 and I replaced both and it took care of the problem.
There is no one fix works on this O2 sensor code P0170 - Fuel Trim Malfunction Bank 1 Possible causes- Intake air leaks - Faulty front heated oxygen sensor - Ignition misfiring - Faulty fuel injectors - Exhaust gas leaks - Incorrect fuel pressure - Lack of fuel - Faulty Mass Air Flow (MAF) sensor - Incorrect Positive Crankcase Ventilation (PCV) hose connection
The brake lamp circuits on your 1997 BMW Z3 are pretty "old-school" and straight forward. Fuse #46 (15 Amp), located in the Front Power Distribution Box at the left rear side of the engine compartment supplies battery voltage to the brake light switch via the VIOLET/GREEN wire going into the switch. When the bake pedal is depressed, the voltage leaves the brake lamp switch on the BLUE/RED wire and supplies power to all of the brake lamp bulbs.
The brake lamp circuits do branch off and go to several control modules. This is ONLY for module INPUT to tell the module that the brakes are being applied. These modules include: > Transmission Control Module > Cruise Control Module > ABS Control Module > Slip Control Module
The ONLY way that any of these modules could be affecting the operation of your brake lamps is if there is an internal short to ground in the module that is causing the brake lamp fuse to blow.
If NONE of your brake lamps are working, the most likely causes are: > Fuse #46 open (blown) > Defective brake lamp switch > Bad ground connection at ground G400 (Left side of luggage compartment) > All 3 of your brake lamp bulbs burned out.
Yes, the BLUE/RED wire could be broken as well, but I would check all the other things listed above first.
their is a control valve on the inlet manifold and this is faulty but i have no product knowledge to tell you what to change ,i am asumming its a fly by wire type on a vehicle of this age so it could be the sensor on the top of the throttle pedal as well or the motorised butterfly control on the inlet manifold
There are a couple of relay switches in the side of the top on the driver's side. One of these is not working. Your break lights are out because of this too. You have to apply the brake to lower or raise the top.
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