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Introduction:
The first step towards upgrading your points-based ignition system
is to figure out which Pertronix belongs in your distributor. If the
distributor has ever been replaced, you have to make sure the distributor
matches the Pertronix you are ordering.
| Years |
BMW Model |
Pertronix # |
| 1969-72 |
2002 excluding Bosch dist. # 0-231-115-045 |
1847V |
| 1972-73 |
2002 with Bosch distributor # 0-231-180-003 |
1847V |
| 1972-73 |
2002 with Bosch distributor # 0-231-180-008 |
1843 |
| 1972-73 |
2002tii |
1847V |
| 1974 |
2002 Tii, 2002 |
1843 |
| 1975-76 |
2002 |
1847V |
| 1977-79 |
e21 320i (in case you're running one on
your '02) |
1847V |
Installation:
If you have about an hour you could install it that quickly after you
get it. Follow the directions in your manual on how to get the old stuff
out and then you can start putting the Pertronix in.
The instructions that come with the Pertronix are generally
very good, so we suggest that you just follow them for the most part.
There are, however, three trouble spots that some people run into. The
first is a small solder spot that appears to be in the way in one of
the brackets. Just work with it a little and you should be able to get
it positioned well.
View of Pertronix magnet and sensor installed
Second is the rubber grommet that you have to put through a hole. Needle
nose pliers and a small screwdriver help here.
Good time for a general tune-up with new cap and
rotor
The third thing is the magnet piece that goes over the shaft. The top
of it needs to be flush with the top of the sensor. It has some areas
that need to line up and some people have had problems with it. You
still use the same rotor and cap, but you may want to replace them if
you haven't in a while.
Pertronix leads go to postive and negative side of
coil
The Pertronix upgrade is easy, quick, and very rewarding,
especially if you are running some elderly points. As always, if you
have any questions or comments, feel free to post them to the Message
Board!
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