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How to install a BMR Front Driveshaft Safety Loop on your 2011-2012 Mustang

Installation Time

2 hours

Tools Required
  • 9/16" wrench
  • 15mm, 18mm, 9/16" sockets
  • 3/8" drive ratchet or impact
  • Hydraulic jack and jack stands or Hydraulic service lift
American Muscle
Shop Parts in this Guide


1. Lift vehicle and support safely under frame rails.

2. Support the transmission using a jack stand or jack.

3. As shown in IMAGE 1, loosen the (2) transmission mounting nuts using a 15mm socket.

4. sing a 18mm socket, remove the (4) crossmember bolts as shown in IMAGE 2. Remove the crossmember.

5. Insert the provided transmission mount spacer into the crossmember as shown in IMAGE 3.

6. Hold the BMR driveshaft loop mounting plate and the OE crossmember up into place with the BMR driveshaft loop mounting plate positioned between the OE crossmember and the floorpan. Insert the provided 60mm bolts and washers then tighten to 85 ft/lbs. See IMAGE 4.

Thread the supplied half nuts and lock washers onto the exposed threads of the transmission mount then tighten to 25 ft/lbs .

7. Install the driveshaft loop by positioning it over the small diameter portion of the driveshaft as in IMAGE 5. Once positioned insert the supplied 3/8” bolts through the (4) holes. Center the loop over the driveshaft then place a washer and nut on the bottom side of each bolt. Tighten to 40 ft/lbs. See IMAGE 6. NOTE: if using an aftermarket one-piece driveshaft, it may be necessary to shim the loop for adequate driveshaft clearance.

8. Lower vehicle.

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