What is the firing order for 89 bmw 525i? on 1990 BMW 525i

Replaced the distributor cap and now will not start.

Asked by for the 1990 BMW 525i
Here you go
1 more answer , 1 more comment
Firing order is 1,5,3,6,2,4
Thanks, now how do I relate that to the distributor cap. Where is position 1 and so forth?