After 80,000 miles I had a slow leak in the left rear bag so the car would sag in the morning they recommend you exchange both bags together. I installed two new Arnott airbags in our 2011 BMW X5 after the dealer said $1,500 for repairs and another $3,000 for the garage, so the effort saved me $1,100. It was a simple repair that took about 2.5 hours and cost less than $400. Arnott's video tutorial on their website was very helpful. The hardest part was getting the top pocket into the hole inโฆ