HI there hear is step by step on how to replace spark plugs this is on bmw 740 put its the same thin
First, remove the main shroud and then using a screw driver the two flat
square covers that will reveal the bolts that hold the plastic head
covers:
Unscrew the two bolts and then remove the plastic cover. You will see this:
Next, remove the two bolts that hold in the coil that sits over the spark plug (geez, this really is this easy):
i need to know how - sp03.jpgc="/uploads/images/sp03.jpg" alt="sp03.jpg" class="h_mi" />
Unplug the coil by moving the metal clip that holds the plug in up all
the way and then pulling out the plug. Here is a picture of the removei need to know how - sp06.jpg
And a picture of all the removed coilsi need to know how - sp04.jpge side and the cover:
Here is a picture of the head with the coils removed. Note the pooling
of oil especially to the right at the plug closest to the firewall.
Must hi need to know how - sp05.jpg head gasket failure action going on here:
Here is a look at the coil from the spark plug side -- just a spring
that pushes on the plug -- jusi need to know how - sp07.jpg over it easy as pie. NO
connecting -- Geez this is too easy:
Picture of the head with 1 spark plug removed:
Picture of the removed plug. Not to bad -- some whitei need to know how - sp09.jpgote the
oil in the threads -- this happened when I removed the plug and the
pooled oil hit the threads:
These are the plugs I went with -- Bosch Platnum +4, part #4417. I got
them from Autozone. They have something like a 3 Trillion mile warranty
or something. They i need to know how - sp10.jpg99 per -- came to $48.00 for the set. I
ain't nevah spent much more than $1.29 for a pi need to know how - sp11.jpghis was something
new for me:
Some looks at the plug:
Do all 8 and you are done! Boo yaaaaaaaahhhhhhh.
Now -- Funny shot. What's wrong with this picture:
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