For future readers:bigwinn wrote: Mon Jun 02, 2025 4:32 pm Replacement hall sensors for e89s are v expensive (over £200 I think) but you can use the e88 hall sensor which is the same, however you have to cut and solder the existing connector onto it. They are £12 plus vat direct from bmw
Unfortunately the above info is completely wrong regarding the named issue. It's another type of hall sensor that hardly ever fails. No substitute available, very low costs for the original part.