E36 Audio System

[cas]

hi i jus would like to know if fix audio system from normal car accssory shop will it effect the e36 electronic system or the battery, is there any side effect for it if fix audio sys or neon light,my friend have a wira and he fix audio system for his car,every 3 months once his battery will condemn please advise

 

[safrul]

shouldnt be any problem...ask sifu who put powerful amp, lcd etc... never heard have to change battery every 3 months....

maybe your friend car alternator kaput..so it overload the battery

 

[cas]

checked the alternator at shop he said alternator no prob so far change batt 3 times in past 7 months