Half of you don't need an AFM disabler. Take 30 seconds to find out which half you're in

[BlueV8]

Disclosure: BlueV8 is a Supporting Vendor and we sell AFM/DFM disablers. We wrote this because not every GM owner actually needs one. In some cases, regular maintenance, towing use, an existing tune, or simply using M5 makes another device unnecessary.

 

⏱ The 10-second version

Skip it if…

• You keep the oil full and change it every ~5,000 miles. Your risk is already low.
• You're happy shifting into M5 every drive. That disables AFM for free.
• Your truck tows heavy most days. AFM barely runs under load.
• You already run a tune or delete kit. Done is done.
• It's already ticking or misfiring. You need a mechanic, not a plug-in.

Worth it if…

• You bought it used and the oil history is a mystery.
• Checking the dipstick is… not your hobby. (No judgment.)
• You're a long-term keeper with lots of easy highway miles — exactly when AFM runs most.
• The V4 drone and shudder drive you nuts.
• You're under warranty, so a tune is off the table.

  The full article includes the supporting GM bulletins and owner reports: https://www.bluev8.com/blogs/news/do-you-actually-need-an-afm-disabler

Edited July 16 by BlueV8