Universal Accessory Harness for the BMW/Supra S58 B58 B48 motors

SKU: FI#10011

Universal Accessory Harness for the BMW/Supra S58 B58 B48 motors ...Read more

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Sale price$14.99
140 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Universal Accessory Harness for the BMW/Supra S58 B58 B48 motors

  • Brand: Fuel-It
  • Category: Flex Fuel Kits
  • Part number: FI#10011

Need a switched power source for your S58 B48 B58 equipped BMW/Supra? Our 12V accessory adapter is the solution for installing methanol, port injection, or other accessories!

If you need a switched power source to run your aftermarket accessories and don't want to run a wire through the fire wall to the fuse box we have the solution for you. Installation takes about 30 seconds and there is not cutting or splicing. Simply unplug the 4 pin connector on the ECU, plug in our fused adapter, and plug the ECU connector back in. You now have a 12 volt 10amp fused power source that is ready to use.

10 amp fuse included. 

Vehicle Fitment

• All B48/B58 Gen 2 BMW/Supra motors
• All S58 BMW motors


Universal Accessory Harness for the BMW/Supra S58 B58 B48 motors

  • Brand: Fuel-It
  • Category: Flex Fuel Kits
  • Part number: FI#10011

Need a switched power source for your S58 B48 B58 equipped BMW/Supra? Our 12V accessory adapter is the solution for installing methanol, port injection, or other accessories!

If you need a switched power source to run your aftermarket accessories and don't want to run a wire through the fire wall to the fuse box we have the solution for you. Installation takes about 30 seconds and there is not cutting or splicing. Simply unplug the 4 pin connector on the ECU, plug in our fused adapter, and plug the ECU connector back in. You now have a 12 volt 10amp fused power source that is ready to use.

10 amp fuse included. 

Vehicle Fitment

• All B48/B58 Gen 2 BMW/Supra motors
• All S58 BMW motors


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