Description
BMW HP 4 Race
Engine / Drivetrain:
Four-cylinder, four-stroke inline engine run in on the BMW Motorrad dyno
4-valve technology with four titanium valves per cylinder and two overhead race-spec camshafts
Precision-balanced, lightweight crankshaft
Machined connecting rods in high-strength forged steel
Machined sump to WSBK specification
Electronic motorsport fuel injection
Variable intake tract length
4 adjustable modes
Engine brake (EBR), 15 steps, gear-specific and programmable (+7 to -7)
Akrapovič titanium 4-into-2-into-1 race exhaust system
Dog-engagement "Close-Ratio" six-speed race gearbox (EVO) with straight-cut gears (gears 1, 2, 4, 5 and 6 with ratios adjusted to WM specification)
Final drive 16/ 43
Chain drive with 520 racing chain
Chassis:
Carbon monocoque RTM frame with steering head angle and swingarm pivot adjustment
Machined yoke with carbon plaque showing the production number
Variable offset and steering head adjustment
Öhlins FGR 300 WSBK upside-down fork at the front (spring rate 10. 5 N/ mm)
Öhlins SD052 adjustable steering damper
Quick-change system for the front wheel
Aluminium underslung twin-arm swingarm
Öhlins TTX 36 GP central spring strut at the rear (spring rate 95 N/ mm)
Upper shock mounting point adjustable (0/ 3 mm)
Shock linkage (tie-rod length) adjustable
External titanium chain adjuster
Carbon fibre paddock stand mounts on the swingarm
Brembo Racing twin-disc front brake
4-piston monobloc WSBK fixed calliper GP4-PR with titanium pistons
Brembo Racing RCS 19x18 hand brake master cylinder
Brembo Racing clutch lever
Brembo Racing single-disc rear brake
4-piston WSBK fixed calliper with titanium pistons
Carbon wheels, including permanently pressed-in wheel spacer bushes for easy wheel fitting
BMW Motorrad Race DTC, 15 steps, gear-specific and programmable (+7 to -7)
Highlights:
4 adjustable riding modes "WET", "INT", "DRY1" and "DRY2" (power progression map, relative maximum engine torque and wheelie control tuned to each mode)
Self-supporting carbon monocoque rear subframe with seat height adjustment (3 positions, 30 mm range)
Carbon seat hump and front mudguard
HP carbon race engine spoiler
Fuel tank in hand-brushed and clear-lacquered aluminium
Mechanically operated multi-plate oil-bath clutch with anti-hopping function
BMW Motorrad Race Calibration Kit
Limited and numbered edition (750 units)
Complete 2D data recording
Full suspension setup kit
171 kg (fully fuelled) lightweight, limited series of 750 hand-built units (price 80, 000 euros), a race track motorcycle based on the BMW S 1000 RR. With 215 hp from the WM machines, it has set a new benchmark.
From a private collection
No racing, only ridden for fun / as a hobby.
