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Digital Ignition System - BMW R Airhead with Bosch Alternator / Sachse
BMW airhead electronic ignition system; bmw airhead digital ignition system; airhead electronic ignition system; airhead digital ignition system; Alpha ignition system; Omega Ignition System; Volker Sachse Electronik
 
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Part #: EDL-BOIGNS

Computerized Digital Ignition System for Bosch Alternators.

The Euro MotoElectrics Electronic Ignition is an electronic optical trigger and electronic ignition advance module that replaces under-performing BMW Ignition points, condenser, mechanical advance unit and on later models replaces the electronic ignition control unit and bean can trigger unit.

This ignition replaces the ignition systems on all 1970-1995 BMW Airhead motorcycles. It is configurable for both single-plugged and dual-plugged engines.

This ignition system is the last improvement ever needed on an Airhead ignition!

Please refer to our Installation Guide that includes step-by-step installation photos and diagrams along with a detailed instruction of the installation, timing, operation and troubleshooting.

See great article in HOW-TO section of Motorcycle Classics Magazine detailing the installation on a BMW /5 Airhead, Click HERE

Vehicle Manufacturer: BMW
Application: 1970-1995
Make/Model: BMW : Model 247, Airhead with Bosch charging system
Model Years: 1970-1995
Manufacturer #: Not available from dealer

(See APPLICATION TABLE tab to see Frequently Asked Questions that verify vehicle fitment)

Co - Branded : & Made in Germany
EME Kit Price $379.00
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Part #: EDL-BOIGNS

Upgrade to 9 Curves

Upgrade Your Item:
Upgrade to our 9 Curve Ignition Module [Add $99.00]This upgrade is for a 9 curve module. And removes the 3 curve ignition module.

NGK-BP6ES x 2 [Add $5.58]NGK Spark Plugs BP6ES Heat Range - 6

3.0 Ohm dual tower coil, replaces x 2 Bosch Single Tower Coils - EnDuraLast [Add $69.00]

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Description
Technical Specs Application Table
 
The EnDuraLast Electronic Ignition is an Electronic Light Trigger and Electronic Ignition Advance module from Sachse Electroniks (Germany). It replaces the stock under-performing BMW ignition points, condenser, mechanical advance unit and on later models, the electronic ignition control unit and bean can trigger unit. This ignition replaces the ignition systems on all 1970-1995 BMW motorcycles and is configurable for both single-plugged and dual-plugged engines.



The kit includes:

  • Crank mounted aluminum disc trigger
  • Electronic module
  • Optical-sensor Wiring
  • Mounting hardware
  • Installation guidelines

NOTE: The Ignition Coils are NOT included.

The following Coil are recommended as they are compatible with this system:

- Bosch Super Coil, 6v x 2 1.5 ohms each - EME Part No: BO-Coil6Vx2, or
- Dyna Single Tower Coil DC2-1 x 2 1.5 ohms "Brown", or
-
Dyna Dual Tower Coils DC1-1 3.0 ohms "Green" , or
- EnDuraLast Dual Tower Coils EDL-Coil3.0ohm
See more detail in the Technical Specs Tab:

EnDuraSpark Ignition System Kit for fitment to the Bosch 3 Phase Alternator
Features:
“Set once and forget” ignition timing requires NO maintenance. Both dwell and ignition timing are drift free and permanent. Worn rubbing blocks, failing condensers, closing points and burned contacts are problems of the past. No more burning hands on hot header pipes while trying to adjust the dwell (points gap) or rotating the points backing plate (ignition timing).

Provides the hottest possible spark using existing coils. Unlike some competitive units, the EnDuraLast electronic ignition is not sensitive to battery voltage. It provides a full spark with battery voltage as low as 7.5 volts. Also unlike some competitive units, the EnDuraLast electronic ignition does not use the original mechanical advance unit so worn springs, gummy advance mechanisms, worn “D” slots in the mechanical advance units and obsolete timing curves are problems of the past. No more problems with fast idle speed because of “hung” advance units.

The crankshaft-fired trigger provides rock solid timing (more accurate than the stock cam-fired points) independent of timing chain wear and uneven advance unit cam wear. No more dual or hopping timing images. Crankshaft firing allows operation on engines with damaged, or broken-off cam noses. Normally these situations require replacement of the camshaft!

For peace of mind, the design allows the original ignition system to remain installed. Switching to the original stock ignition simply requires re-connecting one wire. Both the trigger and electronics units are designed and manufactured to modern electronic packaging standards. The low profile Light Trigger Sensor fits under the alternator cover however requires slight cover modification.

Provides dynamometer optimized ignition advance curves for both single and dual-plugged engines. Unlike some competitive units, the advance curves have a 3800 maximum rpm after which there is no increase. Also unlike some competitive units, there is no loss of power or gas mileage due to over-retardation at lower RPMs. Having the correct ignition advance reduces cylinder head temperature, extends exhaust valve and valve seat life and improves overall performance. Eliminates hard starting and high speed hesitation due to closed up or burnt points. Eliminates vibration caused by ignition timing variations between cylinders. This may be caused by a worn D slot in the advance unit, an imperfection in the point cam lobes or a slightly bent cam nose. Because the EnDuraSpark ignition is fired from the crankshaft, it is immune to these problems.

Automatically turns off current to coils when the engine stops but the ignition is left on. This prevents over heating the coils. Starts easier than the stock system because the electronics reduces the advance to 0° between 0 and 400 RPM. Modern electronics technology updates the BMW R Airhead under-performing Bosch ignition system. The critically important ignition timing is maintained with a crank-mounted trigger rotating past a micro-size optical sensor.

Dyno developed advance curves for BMW single- and also dual-spark system can be chosen during installation.
The original Bosch ignition system can be left in place.

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