Two of BMW 's modern classics enlist for 'Ring duty:
BMW 135i[B500]
332 hp, 332 lb-ft, weight 3,042 lbs, 52% fr, 3.0 L disp.
SPORT intake, exhaust, intercooler, oil and flywheel
SPORT brakes, springs and weight reduction
SPORT clutch, transmission, driveline and differential(10%)
SPORT tires mounted on Work CRkai rims - 34.0 f / 34.0 r psi
Replay on Storefront( query BMW Motorsport + 135i for "135iNurbTA" ). Three laps, manual transmission w/ clutch, no assists.
BMW E60 M5[A600]
538 hp, 412 lb-ft, weight 3,176 lbs, 51% fr, 5.0 L disp.
SPORT intake, fuel, ignition, exhaust, valves, oil and flywheel
SPORT brakes, springs and chassis reinforcement
RACE weight reduction
RACE clutch
SPORT transmission, driveline and differential(10%)
SPORT tires, 265/40R front, 295/35R rear widths, mounted on KONIG Daylite rims - 35.0 f / 35.0 r psi
Replay on Storefront( query BMW Motorsport + M5 E60 for "e60m5NurbTA001" ). Three laps, manual transmission w/ clutch, no assists.
UPDATE: I've managed to vault this uber-saloon into a sub-1,000 position on the Leaderboards. Quickest lap thus far was 07:50.nnn. A faster time is still within the realm.