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BMW-4-R-V
Improve the performance of your classic car with this highly reliable electronic ignition distributor.
The 123BMW-4-R-V is designed for M10 engines, in the BMW :
– 1600, 1602, 1602Ti
– 1800, 1800Ti, 1802
– 2000, 2000Ti, 2000Tii
– 2002, 2002Ti, 2002Tii, 2002Turbo
– 316, 318, 518, 320, 520 (before 1978!!)
| Cylinders |
4 |
|---|---|
| Brand |
BMW |
| Cap type |
Straight |
| Coil charging time-out |
After 1 second, coil current is turned off |
| Environmental temperature |
-30 – 100 °C |
| IE (D-jetronic support) |
No |
| Maximum advance |
40 degrees crankshaft |
| Model |
Switch |
| Operating voltage |
4-15V |
| Rotation direction |
CW & CCW |
| RPM range |
500-10.000 RPM |
| Spark balancing |
<0.5 degrees |
| Vacuum |
Yes |
| Wires |
Black: coil '-' ,Red: ignition key (battery 6V / 12V) |
The 123\BMW-4-R-V is designed for M10 engines, in the BMW :
– 1600, 1602, 1602Ti
– 1800, 1800Ti, 1802
– 2000, 2000Ti, 2000Tii
– 2002, 2002Ti, 2002Tii, 2002Turbo
– 316, 318, 518, 320, 520 (before 1978!!)
The gear on the BMW 4-R-(V) causes the ignition to turn Clockwise.
If you have a newer type M10 engine (e.g. in the BMW E21 after 1978) a gear that turns Counter-Clockwise (CCW) is needed, as well as a distributor to which it fits.
You need to transfer this gear from the old ignition.
The 123\Switch units are easy to install. Preprogrammed original manufacturer ignition curves.
By selecting 1 of 16 available advance curves, this electronic distributor is suitable for many engines
Please take a look in the advance curve table of the specific unit for available advance curves.
BMW-4-R-V = BMW stands for the 123ignition type
BMW-4-R-V = 4 stands for the number of cylinders
BMW-4-R–V = R stands for straight distributor cap
BMW-4-R-V = V stands for vacuum advance
How to install a 123ignition distributor
Where to buy?
Do you want to know where to buy the 123Ignition in your area? Check out the dealer page!
| curve | advance starts [rpm crankshaft] | max. advance [rpm] | [degr. crankshaft] | vac. adv. starts [mmHg] | max. vac. adv. [mmHg] | [degr.] | replaces | remark |
| 0 | 700 | 3800 | 29,0 | 100 | 225 | 10,0 | BOSCH 0 231 180 004 | 1600 - 1602 - 1800 - 1802 - 518 |
| 1 | 700 | 2700 | 27,0 | 125 | 200 | 10,0 | BOSCH 0 231 180 005 | 2000 - 2002 |
| 2 | 750 | 2400 | 30,0 | 125 | 225 | 10,0 | BOSCH 0 231 115 045 & 071 | 1600 - 1602 - 1600Ti - 1800Ti - 2002 |
| 3 | 1000 | 4000 | 34,0 | 100 | 300 | 10,0 | BOSCH 0 231 188 001 | 1502 |
| 4 | 1000 | 3500 | 30,0 | 100 | 300 | 10,0 | BOSCH 0 231 151 008 | 1602Ti - 2000Ti - 2000Tii - 2002Tii - 520i |
| 5 | 600 | 2400 | 30,0 | 100 | 300 | 10,0 | BOSCH 0 231 129 026 | 2002 - 2002Ti - 2000Cs |
| 6 | 1000 | 1500 | 22,0 | 100 | 300 | 10,0 | BOSCH 0 231 180 014 | 2002Turbo |
| 7 | 1000 | 5400 | 30,0 | 150 | 250 | 12,0 | BOSCH 0 231 181 017 | 1502 - 316 - 318 - 518 |
| 8 | 1000 | 4600 | 32,0 | 150 | 250 | 12,0 | BOSCH 0 231 181 016 | 318 - 320 - 520 |
| 9 | 1000 | 3800 | 26,0 | 100 | 300 | 10,0 | BOSCH 0 231 168 017 & 181 022 | 320i - 520i |
| A | 1000 | 1500 | 22,0 | Retard | 10,0 | BOSCH 0 231 180 014 | 2002 Turbo | |
| B | 1000 | 5400 | 30,0 | Retard | 10,0 | BOSCH 0 231 181 017 | 1502 - 316 - 318 - 518 | |
| C | 1000 | 4600 | 32,0 | Retard | 10,0 | BOSCH 0 231 181 016 | 318 - 320 - 520 | |
| D | 1000 | 3800 | 26,0 | Retard | 10,0 | BOSCH 0 231 168 017 & 181 022 | 320i - 520i | |
| E | 700 | 3800 | 29,0 | 100 | 225 | 10,0 | BOSCH 0 231 180 004 | 1600 - 1602 - 1800 - 1802 - 518 |
| F | 700 | 3800 | 29,0 | 100 | 225 | 10,0 | BOSCH 0 231 180 004 | 1600 - 1602 - 1800 - 1802 - 518 |
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