Faq - How to change

BMW Headlights Markings E1 / E4 / E14

Evald RovbutMar 4, '21

‘E1’ Approval InformationIs this the best bulb? Is an E1 bulb better than an E4 or E14?   Although ALL "E" markings are legal it is recognised tha the German "E1" mark is of the highest standards and is more rigourosly enforced. They take their standards from the OE (Original...