e38 engine sound. after Bosch Plat 4 Plugs install
New Bremi Spark plugs boots and Bosch Platinum 4 spark plugs engine sound. For those who had hard knocking replace the Bremi boots. Mine were all ...
gl1000
jetting right being it is a 1000cc engine. i found it runs much better with bosch platinum 4 spark plugs. very hard to find tho. Modifications ...