The light output as standard halogen headlights not always provides enlightening insight. The trade promises help with light bulbs that are twice shine so bright. Can light-tuning be so simple? A test of 25 aftermarket H7 lamps.
A wintry ride on wet, and black roads is especially older spotlight with a difficult task: to bring light into the darkness. Especially equipped with H4 bulbs provide vehicles only for moderate enlightenment. Much better are H7 lamps whose light amount is 1,500 lumens 50 percent higher than those of H4, which are usually installed in smaller and older cars (such as Mini, VW Beetle and VW Up). Click here for the H4 bulb test