I only replaced the SZL and reused the clock spring and it worked. That SZL was most likely from an X6 and I have a X5. Also, I actually removed the original cruise stalk from the original SZL and replaced it with an ACC stalk. You have to factory code the DSC since it handles the SZL comms. Works fine. I sold the “ACC“ SZL I bought with the original non ACC cruise stalk.
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