ONLY APPLIES TO CYLINDER 1-6
IGNITION COIL 12131742925

ONLY APPLIES TO CYLINDER 7-12
IGNITION COIL 12131742926

12131742925:
Part Cross-reference
Part 12131742925 (IGNITION COIL) was found on the following vehicles:
E31: Details on E31
E31 850Ci COUPE
E31 850CSi COUPE
E32: Details on E32
E32 750iL SEDAN
E34: Details on E34
E34 535i SEDAN
E34 M5 3.6 SEDAN

12131742926:
Part Cross-reference
Part 12131742926 (IGNITION COIL) was found on the following vehicles:
E31: Details on E31
E31 850Ci COUPE
E31 850CSi COUPE
E32: Details on E32
E32 750iL SEDAN

So that means if you have the cylinder 1-6, that fits on several cars, 7-12 only on M70 engines.


You need a Bentley Repair Manual;

Page 120-7
coil primary, terminals 1 (-) and 15 (+) resistance 0.50 Ohm
coil code 2051118335

coil code no. 20510171101 terminal 1 and 15 0.37 Ohm

coil secondary:
coil code no. 2051118335 terminal 15 + and 4 ctr 6.0 Ohm
coil code 20510171101 terminals 15 + and 4 ctr. 9.0 Ohm

spark plug ends 5.0+/- 10% kOhm
shielded plug ends 1.0 +/- 20% kOhm
spark plug wires 0 Ohm (approx.)
rotor 1.1 +/- 10% kOhm

http://www.realoem.com/bmw/showparts.do?model=GC83&mospid=47365&btnr=12_0056&hg=12&fg=05&hl=17

For cross references if the parts are used on other cars, first find the number based on your VIN and then enter the number here
http://www.realoem.com/bmw/select.do
PART NR APPLICATION SEARCH

This refers to M30 and M70 engines.
Note: that 2 types of coils are installed, depending on model year. Identify coil code number on the coil when making the tests.

E32 750iL 11/88, E32 750iL Highline 03/90
7 series Tech Tips

• 750IL - dead coil - route89 2008-11-21 18:42:34 (39 views)
  • Re: 750IL - dead coil - siborg 2008-11-24 15:53:38 (24 views)
  • which coil, right or left? - shogun 2008-11-22 06:25:28 (30 views)
    • Re: which coil, right or left? - route89 2008-11-22 10:15:21 (23 views)
      • Re: which coil, right or left? - route89 2008-11-22 10:19:33 (25 views)
        • for a test you can also take 2 identical ones - shogun 2008-11-22 18:32:39 (28 views)
          • Re: for a test you can also take 2 identical ones - route89 2008-11-22 19:55:59 (32 views)
            • search: starter motor R&R rv8flyboy - shogun 2008-11-22 20:41:32 (24 views)