I am not sure what options those are pointed to.
Option -B090 is def for 90AH battery.
What I do know is for Factory Alarm option is 302, the factory retrofit option is +K302. I'm not sure of any correlation with "K" being retrofit options however.
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Retrofits: 322, 609, 6FL, 6NR, 6VC, 2TB..
Upgrades: Bilstein B8 Eibach Spring kit
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