Digital Ignition System for Bosch 3-Phase Charging System. BMW Airhead Digital Ignition System.

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Digital Ignition System - BMW Airhead with BOSCH Alternator / EnDuraLast & Sachse

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Part #: EDL-BOIGNS

Computerized Digital Ignition System for the original BOSCH style Alternators.

The Euro Moto Electrics Electronic Ignition is a crank mounted 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. 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. Installation has been simplified with the addition of a premade wire harness to make wiring the ignition system a snap!

NOTE: In the event that you have a digital tachometer then you need to connect it to the Coil Negative terminal to enable the tach to function correctly with the EDL-310 Module. .
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: BMW Airhead Models
Make/Model: BMW: Model 247, Airhead with Bosch charging system
Model Years: 1970 - 1995

(See APPLICATION TABLE tab BELOW to verify vehicle fitment)

Co - Branded :

& Made in Germany

EME Kit Price (USD) $369.99

BUY NOW $329.00

Quantity in Stock:99

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.

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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 - which are now discontinued by BOSCH. If you have original coils that test good, they are compatible or
- EnDuraLast Coil, 6v x 2 1.5 ohms each - EME Part No: EDL-Coil6Vx2, or
- EnDuraLast Dual Tower Coils EDL-Coil3.0ohm - EME Part No: EDL-Coil3.0OHM. These are a known to work well and the recommended option.

See more detail in the Technical Specs Tab:

EnDuraLast 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).

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 contact point ignition system to remain installed. Switching to the original stock ignition simply requires re-connecting one wire at the coil. In short, for the weight of a contact point and condenser, you can have a full secondary ignition system installed and ready to go should you experience a failure of the EnDuraLast system. Redundancy equals safety!

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 EnDuraLast ignition is fired from the crankshaft, it is immune to these problems.

EnDuraLast Ignition Installation on 1983 R100RS by Brook Reams

BMW R75 Electronic Ignition Install

The following tables detail the component compatibility requirements for this Ignition System to function well:

Model Applicability / Component Compatibility

Spark Plug Compatibility

The EnDuraLast Electronic ignition should be used with stock spark plugs, stock ignition wires, and stock ignition caps. For spark plugs, this means non-resistor plugs. Bosch has phased out their original non-resistor W5DC, W6DC and W7DC spark plugs and replaced them with WR5DC, WR6DC and WR7DC plugs, respectively. These resistor plugs are not compatible for this application. Currently, Bosch non-resistor spark plugs can only be purchased at BMW motorcycle dealers. EME also carries NGK NON resistor plugs for purchase with your ignition system. Part numbers are BP5ES, BP6ES, BP7ES and are available on our website for purchase.

Spark Plug Cap Compatibility

The EnDuraLast Electronic ignition is compatible with only 5K ohm spark plug caps. Points ignition airheads more thank likely will need to changer their original 1K ohm caps. Transistorized ignition airheads with a HALL sensor equipped timing pickup should be able to reuse their caps that originally came on the motorcycle.

Ignition Wire Compatibility

The EnDuraLast Electronic ignition is compatible with the OEM stock ignition wires that were originally outfitted on BMW Airheads. These are Hypalon covered, stranded copper core, non-resistor ignition wires with a resistance of about 2 ohms per foot. The ignition is also compatible with Hypalon or silicon insulated stranded copper aftermarket wires, such as that manufactured by Accel, Belden, and Packard.

It is important that copper core wires are used, not the carbon powder center ones normally sold at auto parts stores.

Coil Compatibility

The EnDuraLast Electronic ignition is compatible with all stock BMW ignition coils used on models using points and condensers. Specifically, the EnDuraLast can be used with ignition coils that have a primary resistance seen by the electronics between 2 -3 ohms. Since both stock Airheads and dual-plugged Airheads use two coils wired in series, each of these coils needs a primary resistance of 1 to 1.5 ohms.

The EME ignition is NOT compatible with conventional electronic ignition coils, which typically have a primary resistance of around 0.7 ohms. These coils will fry the EnDuraLast ignition. The older black Bosch coils and the newer electronic black Bosch coils look almost the same – except that the electronic ignition coils (which can’t be used) have a small yellow lightning icon on them.