Back again..
The broom stick test was a big fail.. My helmet actually stuck above the broom.
When the helmet touched the broomstick there was 45-50 mm between the stick & the top of the roll bar, So even with the BK extension (+35mm) I will actually not pass the test. I'm a bit surprised, I'm 183cm, I run the Sparco Evo-2 QRT, no sliders, mounted as low as possible.
I did notice however that without a helmet my head is 20mm under the broom, so the helmet adds 65-70mm, that sounds odd. Is that normal or a sign of a bad fit? I run the cheap "Jet" from Sparco.
So even with the BK extension I will actually not pass the test. Need to dig further, something doesn't add up.
EDIT: No matter how I solve it, it seems clear that I need a BK extension.. If anyone has one for sale and do ship to Sweden... Let me know!
EDIT-2: What keeps me up at night: Do I have a tall head?