2024 Bmw X3 Transmission Problems

Your rear differential bolts and bushings have failed twice in less than a year, causing loud banging noises and making the vehicle undrivable. The failure happened once while driving, which could have caused you to lose control at highway speeds. The dealer fixed it the first time but refused to fix the second failure, claiming you caused the damage without evidence, and your vehicle never showed any warning lights to alert you to the problem.

While accelerating onto a highway, your engine suddenly shut off and the dashboard went black except for a red car outline warning. The car restarted after a few seconds and all systems returned to normal. You've driven it several times since without the problem recurring. The repair will likely involve diagnosing and addressing the engine control system issue, possibly related to the mentioned recall.