Holy Grail Labs | Blade Fuse Box Upgrade Kit

$219.00

Developed by Holy Grail Labs to address one of the biggest causes of electrical problems in your classic BMW—the ancient and unreliable torpedo fuses. This kit upgrades your failure prone and unreliable torpedo fuses to modern, reliable blade-style fuses.

ATTENTION: This kit requires the modification of the fuse box by removing the bullet (torpedo) fuse holders. Once the torpedo fuse holders are removed the new circuit board drops into the existing slots through the plastic.

Developed by Holy Grail Labs to address one of the biggest causes of electrical problems in your classic BMW—the ancient and unreliable torpedo fuses. This kit upgrades your failure prone and unreliable torpedo fuses to modern, reliable blade-style fuses.

ATTENTION: This kit requires the modification of the fuse box by removing the bullet (torpedo) fuse holders. Once the torpedo fuse holders are removed the new circuit board drops into the existing slots through the plastic.

Additional Information

  • Fits all E12, E23 (built before September 1982), E24 (built before September 1982) and E28 models

  • Compatible with standard ATO blade fuses

  • Lower total resistance and won't lose spring pressure over time

  • Prevents melty and consequently barbecued car

  • LEDs show green for any circuit with power; red if the fuse is missing or blown

  • LEDs can be disabled via a switch

  • Includes sockets for four spare fuses

  • Fits under the stock fuse box cover

  • Includes a full set of blade style fuses

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