1971 BMW 3.0CSL Automatic TransFACTORY OEM SERVICE PROCEDURE

Ducellier Distributor Advance Specifications

NOTE: FOR ENGINE RPM & DEGREES, MULTIPLY SPECIFICATIONS BELOW BY 2.
DUCELLIER DISTRIBUTOR ADVANCE SPECIFICATIONS

Distributor Part No. Centrifugal Advance (Dist. Degrees & RPM) Vacuum Advance (Dist. Degrees & In. of Hg.)
Deg. RPM Deg. RPM Deg. RPM Deg. RPM Deg. In. Hg. Deg. In. Hg. Deg. In. Hg.
4387 & 4388 0-3 500 12.5 1500 16.8 2000 18 2250 1.1 3.9 3.4 7.8 5.5 15.6
4348 & 4349 0-2 450 12.0 1500 15.0 2000 16.5 2250 1.5 3.9 4.6 7.8 7 15.6
4296 & 4297 0-1 750 5 1000 16.2 2000 19 2500 1 2.8 5.3 7.8 10 12.5
R-234 0-1 450 1.5 880 14.0 1500 18 2600 1 4.3 5 11.8 7 19.7
R-235 0-1 500 8 1000 12 1500 15 2000 1 4.3 5 11.8 7 19.7
R-239 ..... .... 7 850 12.5 1500 20 2000 1 4.3 5 11.8 7 19.7
5901.44 0-1 500 4-6 1060 11-13 1975 13.5-15.3 2700 1 4.5 4.3-6.3 12 ..... .....
5901.51(1) 0-1 600 11-13 1500 14-16 2000 14-16 2200 ..... ..... ..... ..... ..... .....
5901.53 0-1 500 10-12 1200 12-14 1925 14-16 2650 1 8.7 4-6 17 ..... .....
5901.38 0-1 500 3-5 1000 7-9 1500 11-13 3000 1 2.5 4-6 6 ..... .....
5901.40 0-1 500 3-5 985 7-9 1500 11-13 3000 1 2 3-5 8.7 ..... .....
5901.48 0-1 500 3-5 985 7-9 1500 9-11 2600 1 2 3-5 8.7 ..... .....
5901.49 &.52 0-1 500 3-5 800 9-10 1250 12-14 2250 1 2 3-5 8.8 ..... .....
DV-011A(2) 0-1 400 12 1000 17 2000 20 1700 ..... ..... ..... ..... ..... .....
DX-010A(2) 0-1 200 10 1000 12 2000 15 2500 ..... ..... ..... ..... ..... .....
(1) Distributor has no Vacuum Advance Unit.
(2) Citroen Part No.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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