Surely, not in the interests of speed, but the interests of safety he should have tyres which actually have a bit of grip.
Couldn't he just take that corner like they did earlier, on the outside?
Ten seconds? In a 1'30 circuit?
To, technically we can assume the lap he'll churn out at the 'Ring will be around 15% slower than he'd do on regular F1 tyres.
If Babel Fish has translated correctly, the quote under the picture says the Heidfeld had a practice (inspection) run in a Formula BMW before he took the F106 out.
That SiteAuch der kleinste aller BMW Rennwagen war im Einsatz: Mit dem 140 PS leistenden Formel BMW fuhr Heidfeld morgens seine Inspektionsrunde.