Harness mounting options for street/track car?

[BigRussia]

Yes I looked into that one first, but it wasn't viable for me when I saw in the install they need the back seatbelt receptacles to mount to I dont have my back seats or rear seatbelts anymore. I should've mentioned that in my OP, and that access to the rear isn't an issue for me, back seat access was comprised as soon as I got the fixed back bucket seats even with the BK power sliders.

[Obioban]

I'm looking to run Schroth Profi ASM 4 point harness with my Recaro Pole Position ABE seat in my street/track E46 M3, and trying to find a proper harness mounting solution. Kind of surprised at the lack of options for our platform, the only thing I find is Brey-Krause Harness Mount Bar. But strangely they haven't updated the product page (still says it's been redesigned as of September 2018 and new pics coming soon, but there's no new pics or any of it mounted in a car), and I don't see much mention of it or any pics of anyone running it; it is pricey so want to know if its a good option.
I don't yet want to get a roll bar/half-cage as again my car is a street car and I dont want to weld anything in, besides the only options for those I see are the AutoPower ones and they don't seem to have a great reputation from what I read.

What are you guys with not full out track cars running for the harness mounting? Anyone running the BK Harness Mount Bar? Thanks!

I'm running this one:
https://www.bkauto.com/R_1246_E46_Re...t_p/r-1246.htm

Keeps the back seat fully functional, harnesses install and remove in <2 minutes, lighter, less to fail.

The trade off is that the harness runs are longer, so slightly more stretch, but still within the range of what I consider acceptable.

IIRC there's one for sale in the classifieds as we speak.

[BigRussia]

I'm looking to run Schroth Profi ASM 4 point harness with my Recaro Pole Position ABE seat in my street/track E46 M3, and trying to find a proper harness mounting solution. Kind of surprised at the lack of options for our platform, the only thing I find is Brey-Krause Harness Mount Bar. But strangely they haven't updated the product page (still says it's been redesigned as of September 2018 and new pics coming soon, but there's no new pics or any of it mounted in a car), and I don't see much mention of it or any pics of anyone running it; it is pricey so want to know if its a good option.
I don't yet want to get a roll bar/half-cage as again my car is a street car and I dont want to weld anything in, besides the only options for those I see are the AutoPower ones and they don't seem to have a great reputation from what I read.

PS.I dont have my rear interior for what it's worth (no back seats, bolsters, seatbelts, rear deck cover), but still full front cabin interior.

What are you guys with not full out track cars running for the harness mounting? Anyone running the BK Harness Mount Bar? Thanks!