This is even after a voltage interruption during battery replacement and if the on-board computer in the vehicle was without power.Įven with Audi models which, unlike other brands, always ask for a code when changing batteries, the Banner Battery Service Tool (BBST) can generate the Battery Energy Management code (BEM code), so that the battery change is registered properly and various functions are not restricted. Furthermore, standard or manufacturer-specific error codes are generally read out of the system or deleted. In a closed system, the newly purchased replacement battery can even be configured by vehicles with BEM. If the system is open, this tool is used to register the new battery in the on-board computer. However, a battery must be used that is of original equipment quality (the best would be Running Bull EFB or AGM), as well as being identical to the size of the original battery and having approximately the labelled performance of the original battery, at least in terms of capacity.ĭon’t worry, the Banner Battery Service Tool (BBST) can help. Yes, it is possible to install a non „BEM-approved battery“ using the example of Audi. Is it possible to install the battery without a BEM code?
#How to install battery in audi a6 2006 serial number
The VW serial number is used for tracking the battery and for warranty purposes. The Volkswagen Group is currently able to enter any 10-digit serial number. In this way, the energy management system knows immediately that a new battery has been installed. Data such as the BEM code, serial number and nominal capacity of the new original replacement battery are entered. PS: In Volkswagen Group repair workshops (Audi, Seat, Skoda, VW), calibration takes place via a guided function of the online diagnostic and information system (ODIS Offboard Diagnostic Information System). The independent aftermarket is not able to provide this kind of code for replacement batteries. However, manufacturers such as Audi use a closed system and assign so-called BEM codes for original batteries and original replacement batteries. the independent aftermarket can install a suitable replacement battery without having to reprogram the vehicle electronics. Most car manufacturers, as well as BMW, work with an open system, i.e. If the new battery is registered, it usually takes a few days for the system to detect the new state of the battery and reset the error messages automatically.ĭifferent battery energy management systems on the market. Displayed error messages can usually be reset by deleting the error memory. If the new battery is not registered, error messages from the on-board computer may occur and comfort applications may not work or may only work to a limited extent for a short period of time. In an identical housing and of a similar performance class.ĭoes the Battery Energy Management System (BEM) need to be notified of the installation of a new battery when a battery is changed ?ĭepending on the make of car and the functionality of the respective system (open or closed), modern vehicles with Battery Energy Management (BEM) may or may not require or recommend that the new battery be registered. An EFB battery (Enhanced Flooded Battery) is to be replaced at least by an EFB battery that’s in perfect condition or by an AGM battery in certain circumstances.PS: Minor deviations in capacity or performance during a cold start have no effect on the safe start and the optimum power supply of the electrical system. In an identical housing and of a similar performance class. An AGM battery (Absorbent Glass Mat) must always be replaced by another AGM battery.You must make sure that the old battery is replaced by an equivalent battery in terms of technology, performance class and size: If the battery no longer provides the desired performance, the system records a „defective battery“ and replacement is required. This is to ensure a long service life despite the higher load.
For this reason, automobile manufacturers have developed intelligent battery energy management systems (BEM) that monitor the car battery using sensors.
How does the battery energy management system (BEM) actually work?įrequently switching the engine on and off, combined with the increased energy requirements of comfort features such as seat heating, navigation systems, etc., poses great challenges for start-stop batteries.
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