If you own an older Mercedes-Benz, you most likely have the privilege of using an old-school Bosch K-Jetronic fuel injection system or one of its variants. Crude by modern standards, these injection systems were crème de la crème back in the day.
They were reliable and durable — something you could count on. However, as they aged, certain flaws became apparent. One such flaw was the fuel injectors. Today we’ll talk about Bosch CIS 0437502047 injectors and how they solve this problem.
