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Rick writes: “I came across this tool on one of the BMW boards I frequent.  Like the poster said, it’s not pretty… but it gets the job done.  I thought it was pretty ingenious and I was curious what other home-grown tools the Toolmongers out there have created and/or come across.”

According to the original forum post over at bimmer.info (link below), a guy made this tool to get the 22mm banjo bolt out while replacing the power steering hose on his M5.  It’s a shortened 22mm combo wrench with a 1/2″ drive socket welded on.

We’ve run across a number of similarly creative home-engineering solutions.  The BMW airhead we picked up earlier this year came with a couple of funky-looking sockets in the seat — in particular there was one large one that’d been turned down a bit in a lathe.  It turned out to be a perfect fit for the large bolt on the forks.

We also saw some guys weld up a metal-only body hammer after the wood handle broke for the umpteenth time in a hard-workin’ body shop environment.

What have you seen?

Custom PS Banjo Bolt Installer [Forum Post, bimmer.info]



5 Responses to Homemade Tools

  1. Rick says:

    Just to clarify, the issue with replacing the banjo bolt is only problematic on UK M5s (right hand drive)

  2. Rick says:

    Oops.. don’t want to forget the Aussie, Kiwi, and Japanese Bimmerheads..
    They are also right hand drive 🙂

  3. Nick Carter says:

    Roy Moungovan’s book, “Shop Savvy” covers a bunch of fun wrench alterations.

    My favorite personal alteration is here:

    I welded the clamping bolt for my drill press table to a socket extension, and have an old 1/2″ socket wrench (cheap at a yard sale) permanently affixed. I can loosen or tighten the table in a snap without either reaching for a wrench, or using the floppy lever bolt that came with the drill press…
    They do of course make ratcheting/multi position handles…

  4. Roscoe says:

    Nick- that’s a great idea! I might knock it off.

  5. Jake Strait says:

    Not wanting to pay for this tool: http://jakestrait.myftp.org/photos/Projects/Motorcycle/2.%20YU-33975.jpg

    Not having a welder, I put a bolt through a cheapy one size fits most wrench to get the socket of a torque wrench on it. http://jakestrait.myftp.org/photos/Projects/Motorcycle/4.%20torque_tool.jpg I torqued the bolt higher than the torque I needed for the application so I could be sure it wouldn’t turn.

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