I means there is a problem with the engine side of things u need a code reeder to tell u the fault
SOURCE: How to replace rear break bulb on BMW X5 2003?
1st verify that the brake lights work, if not replace the burnt bulb, if they are ok then the warning module is defective.
SOURCE: 328i BMW, and the EML light is on
Sometimes you can reset the engine warning light by disconnecting the battery for ten minutes or more (be sure you have your stereo unlock code if needed).
That is not a good solution, it is better to diagnose and eventually fix the problem.
Have the car computer scanned with a code reader, the codes you get in return witll tell you exactly where to find the problem.
Here is the code list.
To get the codes the code reader must be connected to the car computer.
sometimes on Bmw you may need a Interface 16 pin Adapter, depending on the code reader.
Here is a home user code reader : PocketScan™ OBD II Code Reader (AXRCP9125 ...
Here is a good scaner.
Always better having the job done at a qualified garage.
SOURCE: brake warning light is on for 2002 bmw 745i.
The brake pads have sensors in them, when the pads get worn down to the sensor the light comes on letting you know its time to replace. this happens well before the pads are completely gone to reduce wear on the rotors. You should have the brakes replaced and the sensor also.
SOURCE: I have a BMW Z4 2003 2.5 with the exhaust emission
The Exhaust Emission Light can come on if the car is driven slowly over short distances.It will not happen on cars driven at speed. A short trip of ten miles at over 3000 revs should reset the warning light,although it may not go out for a couple of days after you have tried it . Hope this helps and saves a bill at the local dealer. JK
"EML" is an acronym for "Elektronische
Motorleistungsregelung". Loosely translated from the original German for the BMW
owner means Electrionic Engine Power
Control.
"EML" is BMW's system name for electronic throttle management. The "EML" system, in it's most basic sense consists of an accelerator pedal (with an electronic position sensor), a computer module (usu. integrated with the main engine computer), and an EDK (Elektronische Drosselklappe or Electronic throttle valve). The EDK is also known as a "drive by wire" throttle. "EDK" throttles use a computer controlled stepper motor rather than a purely mechanical linkage (usu. metal cable attached directly to the accelerator pedal) to control the opening and closing of the throttle plate.
"Drive by wire" throttles are very common
on modern vehicles starting in the late nineties up through the present day.
"Drive by wire" technology enables very precise throttle control to improve
drivability and vehicle emissions, as well as many convenience features like
electronic cruise control, traction control & stability control.
BMW first implemented "drive by wire" in very limited quantities on the most expensive & sophistocated BMW models starting in 1988.
The latest generation of advanced vehicle
features to take advandage of "drive by wire" technology are radar guided cruise
control, accident avoidance control, autonomous-driving, and autonomous-parking
systems.
Read more: http://wiki.answers.com/Q/What_does_eml_warning_light_on_a_bmw_mean#ixzz1OnBNssKH
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