E30 Distributor Cap And Rotor Replacement

During routine tune ups which happen every 25 000 miles the distributor cap and rotor are often inspected for.

E30 distributor cap and rotor replacement.

This how to is a classic bimmer bits original with much credit due to the many members of the community who have helped us learn along the way. In this case the firing order on the 325 is 1 5 3 6 2 4 what this means is the voltage from the coil will travel through the distributor down through the rotor and when the rotor turns to the number 1 cylinder contact on the distributor cap it sends the voltage down through the spark plug wire to the spark plug which in turn ignites the. According to most service manuals replacing the distributor cap and rotor together are recommended on most domestic and imports every 50 000 miles at a minimum. Part 1 of 3.