Reviewed By Glen W (LAKE ORION, MI) Reviewed for a 2004 BMW Z4 —4/25/2017 5:20 AM
Coil was exactly what I ordered. Came quickly and fit perfect. I replaced all six and all work good.
Reviewed By Daryll M (Los Angeles, CA) —1/26/2017 8:12 AM
I knew when I purchased the coil I was getting a very good product. Bosch products are made in Germany so I knew it would a perfect match for my BMW. In terms of performance, I can't say that I can telll any difference from the original.
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There are so many different car and engine parts, it’s nearly impossible to keep track of what each one does. And, unless you’re a mechanic, you don’t really need to. But, when you have to spend your hard-earned money (and usually lots of it) to replace these parts, sometimes it’s nice to know what they do. I mean, do you really need ignition coils? Well, unfortunately, the answer is yes. But, after reading this quick summary of how ignition coils work, hopefully you’ll have a better understanding of ignition coils and their importance in your commute.