DIY horn installation as per standard instruction Everyone will certainly have at least 1 thing in their car where they dislike no matter it is just some design issues, underpowered engine or terrible handling to speak off . I have 1 thing that I disliked in my new car, the Perodua Axia, that is the horn simply because it sound so cheap and unrealistic. Commonly Perodua cars are factory fitted with diaphragm flat horn which sounds like "peen! peen!" and people usually feels like riding a kapchai horn. More expensive cars such as continental cars are fitted with BM horn which sounds like "pon! pon!" and they are louder and nicer to hear. But first, let me have an introduction regarding this BM horn and where does this type of horn get their name from? As far as I know the very early car manufacturer who implemented this type of horn is from BMW and it slowly proliferated to the others like Mercedes Benz, Audi and so on. But actually the real name for th