1 Bosch versus NGK plugs Thu Aug 19, 2010 8:28 am
Ralph
New member
I replaced my spark plugs a few weeks ago with NGK plugs. Today a BMW mechanic whom I have trusted in the past told me to switch to Bosch. Apparently there is a contact problem between the plug and the boot with the NGK plugs. Do any of you have an opinion on this matter?
Thanks
Ralph
Thanks
Ralph