B4B BANG 4 BUCKSet of 6 Ignition Coils and Iridium Spark Plugs Compatible with BMW 128i 325i 325xi 328i 328xi 330i 330xi 525i 525xi 528i 528xi 530i 530xi X3 Z4

Seem to be doing fine have had in 2 weeks . We’ll see how long they last . The red looks cool .

My sister's ancient Beamer 325i convertible has a lot of problems, to be sure, but now the ignition system including coils and plugs are no longer on that problem list. And a few fuel system problems also cleared up with the installation of these great coils and iridium plugs. Yes. Seriously. Having a big, powerful spark that ignites and burns more of the aerosolized fuel can do that for you. It just did for us.OBD2 reports not only higher output on all cylinders, but more equal output on all cylinders. Also is reporting that the ECU is not trimming the fuel very much (within a point now on all six cyl) whereas before it was struggling to trim each cylinder, and they varied widely. I think it helped that I cleaned the injectors and blasted out a ton of head carbon just before installing these - I wanted to eliminate one possible impediment to these new plugs and coils working better. But that alone, while it produced a ton of black smoke as we burned out the carbon with some "foam from the sea" type product, did not help much with the fuel trim.It was these new plugs and coils that made the difference. Now it drives better, no stuttering, idles well, good acceleration again, all that. Still has a ton of other problems, but this solved quite a bit and it's an economical solution. My sister is just crazy enough to want to keep and run that car forever, and that's fine, she has a long list of stuff it needs, but now that list is shorter. So I recommend this product - pops right in and works right away. Excellent iridium plugs and excellent coils - beautifully made and perfect fit and wonderful results.

Coil packs are correct but the spark plugs to long and hit the piston crushing the tips

Product seems very durable. Made of high quality parts.