Hi,

Last week, I fitted a new Bosch coil on my Sapphire 4x2.
Bosch ref is : 0221 119 027 (Bosch blue high Performance Coil)

Since that, i have misfire around 4000 / 5000 rpm.

I think it is this coil the reason, but why ?
Can some body explain to me ?

Thanks for your help.

Claude