Cut to the chase: you can add a xenon lamp alone, both near and far light can be used ... but the problem is that low light is ok. After xenon lamp and high beam, astigmatism will be more serious. After all, there is no lens in the high beam ... If it is necessary to add a xenon lamp to the high beam, it is recommended to use a better imported ballast Hela 4 or white electricity equipment ... This should meet the stroboscopic of overtaking during the day. ...
In fact, the best advice is to change the double lens with low beam. This is the most fundamental solution ... maybe the landlord can't get off the new car. ...