I would recommend that you check to make shore that you replaced the bulb with the right bulb. It is common for two different bulbs to have the same base but a different spec on the filament. For example an 1157 and a 2057 bulb are visually identical, but the filaments are different. The reason this difference matters is that the system that monitors the lighting on your car moniters the ohms of resistance in the circuit. A bulb with a lighter filament provides more Resistance and will trigger the system to alert you that a light is out.
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Re: 1994 BMW540i Break Light Out indicator reset
If the brake light works, disconnect battery negative with ignition key ON and Radio ON, but engine OFF, four minutes after connect Battery terminal, do not panic if terminal sparks wile connecting, *** it well turn ignition key OFF, than start the motor and verify if problem remains
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The cable tightness is loose therefore causing the light to come on while driving, tighten or replace the eb cable hope that helps or you need to push in the button on it hold the button and pull it back as far as you can. let go then push button pull back farther and release, this should tighten the tension.
insert key into key slot and press the start stop button once WITHOUT putting your foot on the break. You should see numerous lights turn on,on the dash
weight for any warning lights to go out, in some cases, like low fuel warning light, you my need to press the BC buttonon the end of the indaca tor stalk once to remove them
press and hold the black button, on the bottom left of the speedometor, but keep holding down the button untial the next picture appers then release the button.
to cycle threw one by one all of the picture optctionsfor each service press black button once. when you arive at the SERVICE that you wish to reset press AND HOLD THE BLACK BUTTON until the text RESET?is visible under the picture then let go,finily press and hold the button again to conferm the reset.
the break switch is damaged replace it then the hazzad light and the break light will be ok .. and about the indicator light its circuit's capacitor or the resistor is damaged please check that and replace the same it will be ok
brake in a car is verry important for your saffety and others. that why they install many devices or systems to control them and make shure they work propely 1; brake light switch on the pedal floor(to indicate to the folowing car that you are stoping) 2;brake sensor fluid level (on the brake master cylinder under the hood)
to monitor the level of the fluid in the reservoir 3; brake pressure sensor (on the brake dispencer under hood) will warn you in case of brake pressure faillure .note, it may be more sensors, depending on the make of the vehicle but this is the tree comon causes for brake ligth to stay "on"