Help. Electrical part

RS will have them - the crimper will be a few quid though

You can also try Farnell

I'd be super careful you are getting the correct part, there could be very tiny differences between the right and wrong connector.

I'm not familiar as to what you are plugging into, is it a sensor or gearbox etc, or just another connector - eg cable to cable joined by M/F connectors?

If the later, and you are considering joining in a cable from a scrapyard (assuming you will cut and solder), I personally, would opt to buy suitable, for my crimping tool, connectors fro Farnell/RS and just replace the BMW ones. I'd consider it less of bodge job. I would wrap a note around it to say "non standard connectors" for any future owner, if you are so inclined.

But, if you're plugging into something, that won't work.

Good luck with it, we all know the feeling of fixing up someone else's mess :(