The footwell module (FRM) is an electrical nodal point in the footwell on the drivers side. The footwell module picks up the signals from the doors and controls the lighting. The footwell module also controls the adaptive headlights. The footwell module…
On the BMW 1 Series, BMW 3 Series and on the BMW X5, the junction box assumes a central role in the vehicle. In the junction box, the power distribution box and junction box electronics form a unit. The junction…
The BMW Intelligent Battery Sensor (IBS) is a mechanical/electronic device which is connected directly to the negative battery terminal. The IBS contains a micro-processor that is used to monitor/measure various battery conditions such as: Terminal voltage via measurement…
The BMW Battery Safety Terminal (BST) is used to reduce the risk of a short circuit to the B+ terminal of the battery in the event of an accident, as a result of a short circuit on the cable running…
Attached directly to the top of the battery is the bmw rear power distribution box which contains the fusible links (non-replaceable) used to distribute power to the Junction Box and Engine Electronics, plus supply power to the Intelligent Battery Sensor…
Dynamic Stability Control (DSC) was first brought to market by BMW, the BMW steering angle sensor provides the DSC (dynamic stability control) with the overall steering wheel angle as measured by the steering angle sensor. DSC is intended to maintain…
The aim of the energy diagnosis test module is to determine possible causes of a breakdown due to a flat battery or problems in the vehicle electrical system A breakdown due to a drained battery or problems in the vehicle…
What is Coding? It is a process utilized by BMW, which groups system specific operating requirements (Data) together and then assigns a label/code to each of these groups of data. The various groups of data are all pre-loaded into system…
BMWs equipped with an IBS need to know when you replace the battery, battery capacity and battery type must be registered! YOU DO NEED TO REGISTER battery replacements on BMWs with an IBS (Intelligent Battery Sensor). Why register the battery…
VANOS is a system that varies the timing of the valves by moving the position of the camshafts thus allowing the timing between intake and exhaust valves to be changed. At lower engine speeds, the position of the camshaft is…
ODB On-board diagnostics, or OBD, is an automotive term referring to a vehicle’s self-diagnostic and reporting capability. OBD systems give the vehicle owner or repair technician access to the status of the various vehicle sub-systems. The amount of diagnostic…
A genuine BMW ISTA diagnostic scan or vehicle test determines the control units installed in the vehicle and their variants, as well as their special equipment. Furthermore the vehicle test reads the diagnostic and service-related data from the control units and…