WELCOME TO THE HOME OF
THUNDERCHILD DIODE BOARDS
AND OTHER PARTS FOR
BMW AIRCOOLED TWINS

 

AFTER 25 YEARS, THUNDERCHILD WILL SOON BE CLOSING ITS DOORS.

WE STILL HAVE A FEW PARTS LEFT. WE WILL NO LONGER BE MAKING AND SELLING DIODE BOARDS.

ON THE ORDER PAGE YOU CAN SEE THOSE ITEMS THAT ARE STILL AVAILABLE.

OUR PHONE NUMBER AND EMAIL ADDRESS WILL BE WORKING FOR THE FORESEEABLE FUTURE.

 

 

  
Our main product is the well known
THUNDERCHILD DIODE BOARD
providing dramatically improved reliability over the standard part at a lower price.
  

We also carry some additional products listed below. Click on the pictures for more information

All products carry a full year warranty

    

DIODE BOARD
This is a totally redesigned diode board for all aircooled Boxer twins with alternators. It is designed with reliability in mind and costs less than the original part. [$75].
 

SOLID BOARD MOUNTS
These solid mounts replace the breakage prone rubber board mounts.Order these with a diode board and save $$. [$15/$18]
  

VOLTAGE REGULATORS
Two types are available: one is a high output replacement for the factory supplied part, the other is adjustable so you may fine tune it to your requirements. Both cost less than the factory replacement. [$23/$28]
 
   
IGNITION MODULES
This is a direct replacement for the electronic ignition module used in all Boxers equipped with electronic ignition at considerably less cost. We sell two units - the earlier unit that bolts onto a heatsink and the later unit that comes with heatsink installed. [$55]
  

 

 

 

 

 

 

 

 

 

 

 

IF YOU HAVE ANY QUESTIONS, SUGGESTIONS OR COMMENTS
PLEASE CONTACT US