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6v Ignition Coils (x2) - BMW R Airhead ; 12 13 1 243 452 / Bosch
12 13 1 243 452, 12 13 1 244 142, 12131243452, 12131244142,Bosch super 6 volt coils, bosch 6 volt coils, 6 volt coils, Moto Guzzi ignition coils, 3.0 ohm ignition coil, 3 ohm ignition coil, 3.0 ohm coil, 12 13 1 351 584, 12131351584, 0 221 124 001, 022112
 
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Part #: BO-Coil6Vx2

BOSCH 6 VOLT Super Ignition Power Coils. Sold as pair (x 2).

Vehicle Manufacturer: BMW
Application: All OE Bosch Ignition w/ 6 Volt Coils x 2 (early models, pre 1984)
Make/Model: BMW : Airhead, 2 valve, Model 247
Model Years: 1970-1984
Manufacturer #: 12 13 1 243 452, 12 13 1 244 142, 12 13 1 351 584
Power Rating: 6 Volt / 1.4 ohms resistance / 50,000 volts
NOTE: BOSCH no longer makes the original diameter coil. These coils are slightly larger in diameter. It is advised to purchase the appropriately sized coil clamps available as a product option or related products seen below.

(See APPLICATION TABLE tab to verify vehicle fitment )

Original Equipment : 123
BMW List Price $221.46
EME Price $114.99
You save $106.47!

Part #: BO-COIL6VX2


Coil Clamps (2) [Add $7.99]

Qty:  
Description
Application Table
 
This is the high performance BOSCH SuperCoil and can be used to replace the OE 6 volt coils on all conventional points and transistorized BMW R ignition systems through to 1984.

Plenty of cooling surface area with metal canister and resin-filled design; will NOT crack like aftermarket epoxy-filled coils.

When mounting these large diameter coils, check for gas tank clearance to avoid rubbing against these larger coils. A washer (or washer stack) between the rear tank mount and frame will raise the tank enough to eliminate any possible coil/tank abrasion. The slightly larger diameter coils will fit perfectly when using part number BO-CoilClamp52x2

Replaces the discontinued Super BLUE coil in every performance characteristic and replaces smaller OE Bosch Coils 0 221 100 313, 0 221 101 003, 0 221 124 001.

Specifications -
1.2 ohms resistance each x 2 wired in series = 2.4 ohms
Input voltage 6V
Primary resistance 1.2 ohms
Secondary resistance 13.84Kohms
Primary inductance 1.25mH

Voltage output = 40,000 to 50,000 volts

Dimensions -
  • Can Diameter = 2.25 inch (55.4 mm)
  • Height of Can = 4.5 inches (114 mm)
  • Height (including tower) = 5.75 inches (146 mm)

Enjoy hotter sparks and faster starts, along with improved engine performance and gas mileage. High performance , 50,000 volts , at a very competitive price ! Replaces BO-BlueCoil6Vx2. For a comprehensive parts refresh, also order the premium quality silicone spark plug ignition cables Part # BMW-WSR18, for Beru 1k ohm wires- BMW-WSR182, or for 30" leads 5k ohm use BMW-WSR30
.

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