And if you still have your factory wires, they have WONDERFUL soldered-on ends that go into the coil contacts. Â MUCH superior to the kind that have a tooth that pushes into the end of the wire, with two arms that bite into the insulation.
Simply de-solder the old tips, and solder them onto your new wires. Â Much mo betta.
NOT these!

There doesn't seem to be a picture of any of the solder-ables on the internet. Â I guess I will have to take my own.
I would even go so far as to say it would be worthwhile to buy some old OEM cables off of eBay or such, just for the tips. Â The older & nastier, the better.
Like these;
or these.
Don't buy new ones, I doubt they would have what I am talking about. Â
I have no idea what BMW/Bosch was putting on after 1990, or so.
Every three years or so, I replace my caps & wires with parts from this guy:
http://www.mikesxs.net/products-27.html#productsMikes ships to the US, Australia and New Zealand. Â He has links for (English-speaking) Germany & The Netherlands in you are in the U.K., according to his home page.