The following is a list of technical articles that may help you building your BD-4.If you know of any others, please let us know.
| Original Article | Request Saved Copy *) | Title |
| link | request | How to fabricate molds for fiberglass wheel pants. |
*) This sends an email to the webmaster to view the saved copy in case the original articles is no longer accessible. We will provide the content if the copyright of the original article allows us to.