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In in way, you are right. RHD clownshoes were only produced in M versions. LHD ones were available in 'pedestrian' formats.

Well I placed the order with Apex last night. I've taken some good advice and gone with 18x9 up front (245/40) and 18x9.5 (255/40) at the back, which gets closer to square, while also getting me a good offset (ET42) at the front. Why not go fully square? Firstly, I don't drive the car enough km's for it to really matter from a tyre wear perspective - these new tyres will likely go the way of the old ones before I wear them out. Secondly it means I don't have to worry about spacers on the rear wheels like I would really need to if I went square to suit the fronts. In NZ wheel spacers automatically mean you need a low volume vehicle cert which, as previously covered, I am intending to avoid. I used willtheyfit.com to compare this setup with the various stock M3/CSL setups, and got a little concerned about how close the edge of the tyre tread will end up to the front spring perch on the Koni's. As has been identified by others the shape of the perch on the front right strut lends itself to running slightly closer to the tyre, and it's very close indeed. Although the new setup is a few mm shorter it's also closer to the strut and I was concerned it might be too close. When I compared the measurements against my car I couldn't see how it was going to work. Then when running the comparison for the 3rd time I realised I had made the amateur mistake of relying on a (top-google-ranked) post on another forum where that person had misquoted the offset on the 19in Style 67's. With the correct offset keyed in I was then satisfied that the new wheels should be an appropriate fit. The wheels are coming UPS expedited, so will likely be the usual case of arriving in New Zealand in a week or so and then spending the next week sitting in the distribution centre in Takanini. I'll get some quotes for tires this week so that they're ready to go when the wheels get here. Thanks everyone for your thoughts and advice on this, suddenly urgent, project!

Tyre reviews tested the Primacy 4, PS4s and PS5's

With the csl widths the other ones I considered as Bridgestone Re71 and Yoko ad08 with has been superseded by the ad09 . These are street legal semi-slicks that don’t mind wet days.. They are higher dry grip option. Best tyre combo I had on e46 m3 was the Bridgestone re11. Really good on driver days on the track and better than the PSS and PS4S I ran after. Re11 were replaced by re71s. Only issue was with Bridgestone nz it was going to be an order and wait process so I went with another set of PS4s. I briefly had ps5 on the front of the f80. They are a bit smoother and quieter than PS4s with a nice steering response. A bit less road feel. Didn’t get to explore front end grip though.