BMW M3 GT2

TYRES

• Slick Medium (M), front 26.5 PSI cold (targets ~27.0–27.5 PSI hot), rear 26.8 PSI cold (targets ~27.3–27.8 PSI hot). No blankets assumed — first lap must be driven to bring tyres into window progressively; confirm with tyre app once rolling. Air 26°C / track 36°C matches logged lap closely, so pressures kept near reference with minor reduction for safety margin on a single-lap attack.

ELECTRONICS

• TC: 2 (minimal, GT2 traction-limited car — keep low for rotation but avoid wheelspin off Bus Stop/Fagnes)
• ABS: 1 (GT2 brakes are strong but a touch of ABS protects against lockups into Les Combes and Bus Stop)
• Engine braking: Medium (if adjustable — stock map otherwise)
• Brake Bias: 66.0% front (kept from reference lap — suits Spa's long straight-into-heavy-brake zones)

SUSPENSION

• // FRONT
• Ride Height: 60 mm
• Wheel Rate FL / FR: 145000 / 145000 N/m
• ARB: 18000 N/m
• Brake Torque Multiplier: 100%
• Brake Bias: 66.0%
• // REAR
• Ride Height: 65 mm
• Wheel Rate RL / RR: 130000 / 130000 N/m
• ARB: 14000 N/m
• Diff Preload: 60 Nm
• Diff Coast: 0.45
• Diff Power: 0.60

DAMPERS

AERO

• Front splitter: 2 (of available steps), Rear wing: 4 (of available steps) — biased toward low-drag for Kemmel/Mas La straights while retaining enough rear stability for Pouhon and Blanchimont. Brake ducts: Front 2 / Rear 2 (moderate — long straights allow cooling, keep ducts closed enough to protect peak brake temp into T1 and Bus Stop).

KEY SETUP NOTE

• Spa punishes any compromise on high-speed stability through Eau Rouge–Raidillon and Pouhon — run slightly more rear wing and stiffer rear ARB than you would on a "pure straight-line" Spa setup; the time lost on the Kemmel straight is far smaller than the time lost (or the car lost into the barrier) from an unstable rear at 260 km/h through Raidillon.

TRACK GUIDE

• Eau Rouge/Raidillon flat in this car if committed early and the car is settled on entry — any lift costs multiple tenths and unsettles the car for the full Kemmel straight.
• Les Combes (T5): heavy braking point after the longest straight — brake in a straight line, late apex to open the exit for the downhill flick through T6-7.
• Pouhon (T9-10): a committed double-apex left — trust the aero, carry speed, don't lift mid-corner, this is where qualifying laps are won.
• Fagnes/Campus (T11-13): technical, lower-speed — good rotation on entry sets up the run to Stavelot.
• Bus Stop chicane (T19): late, hard braking — sacrifice entry speed slightly to maximize traction on exit onto the pit straight, as this is the longest flat-out run on track.

TYRES

• Slick Medium (M), front 26.5 PSI cold (settles ~27.0 PSI hot), rear 26.8 PSI cold (settles ~27.3 PSI hot). No blanket data recorded — assume blankets ON at 80°C if session allows; if blankets off, expect first 1-2 laps below optimum window, plan out-lap accordingly.

ELECTRONICS

• TC: 2 (low, just enough to control power out of La Source and Bus Stop)
• ABS: 1 (minimal, GT2 cars benefit from feel under heavy braking into Les Combes/Bus Stop)
• Engine Braking: Medium (if adjustable — stabilizes rear on trail-braking into Pouhon/Stavelot)
• Brake Bias: 66.0% front (carried from reference lap, suits cold/medium track temp well)

SUSPENSION

• // FRONT
• Ride Height: 60 mm
• Wheel Rate FL / FR: 145000 N/m / 145000 N/m
• ARB: 22000 N/m
• Brake Torque Multiplier: 100 %
• Brake Bias: 66.0 %
• // REAR
• Ride Height: 65 mm
• Wheel Rate RL / RR: 130000 N/m / 130000 N/m
• ARB: 18000 N/m
• Diff Preload: 60 Nm
• Diff Coast: 0.5
• Diff Power: 0.6

DAMPERS

AERO

• Front splitter: 2 (of typical 0–4 range — balance for Eau Rouge stability without killing top speed on Kemmel)
• Rear wing: 4 (of typical 0–6 range — Spa rewards low drag; keep rear planted enough for Pouhon/Blanchimont but prioritize straight-line speed)
• Brake ducts: Front 2 / Rear 2 (moderate — long straights cool brakes, but heavy stops at Bus Stop and La Source need bite)

KEY SETUP NOTE

• Spa's long straights (Kemmel, Pit straight) reward low drag, but Eau Rouge/Raidillon compression and Pouhon's sustained high-speed load punish a rear wing that's too light — this setup biases toward top speed while keeping just enough rear downforce to trust full throttle through Eau Rouge without lifting.

TRACK GUIDE

• Eau Rouge/Raidillon: flat in this GT2 car if the line is right — stay full throttle, let the compression settle the car, don't lift mid-kerb or you'll unsettle the rear on the uphill exit.
• Les Combes (T5): heavy braking zone after Kemmel straight — brake late but straight-line, rotate on entry, don't carry too much speed or you'll run wide on exit onto the back section.
• Pouhon (T9-10): a lap-defining double-apex left — commit early, trust the aero, minimum speed should be higher than instinct suggests; lost time here compounds through Fagnes.
• Bus Stop chicane (T19): final lap-time opportunity — late, aggressive brake, sacrifice the first apex slightly to maximize exit speed onto the pit straight for DRS/tow on the lap after.
• Traction out of La Source (T1) and Bus Stop is critical — both feed into long straights, so prioritize a clean, early throttle application over outright rotation speed.