170k on my rear air spring suspension and I’m on my 3rd round of arnot air springs. I didn’t really need the last set, but I had the car in pieces a couple years ago and figured I’d put a new set in when it was easy.

I like the rear air suspension. It’s been reliable, inexpensive to replace the air springs when needed, and the ride is adjustable with the right software. I’ve got a lift on my x5 so this is helpful.

I converted my wife’s 2015 grand Cherokee to springs with an arnot kit and was disappointed with the ride height, and poor customer service. However the air springs they make for the x5 have been great.

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Current
Original owner 2002 E53 X5 4.4i to 4.6i swap
2026 G80 M3 6 spd
2025 G06 X5 50e
Former
1972 Audi Fox
1986 Saab 900S
1996 BMW Z3
1998 BMW E36 M3 Sedan
2004 BMW E46 M3
2006 Audi A3 Quatro
1993 Mopar 318 Jeep Grand Cherokee
2015 V6 Jeep Grand Cherokee