BMW · 2004

2004 BMW R 1150 R Rockster

Auction record

Average sale

$5,700

Sales

Low

$5,700

High

$5,700

Specifications

Category: Naked bike
Displacement: 1130.0 ccm (68.95 cubic inches)
Displacement (cc): 1130.00
Engine details: Two cylinder boxer, four-stroke
Power: 83.8 HP (61.2 kW) @ 6750 RPM
Torque: 98.0 Nm (10.0 kgf-m or 72.3 ft.lbs) @ 5250 RPM
Compression: 10.3:1
Bore × stroke: 101.0 x 70.5 mm (4.0 x 2.8 inches)
Valves/cyl: 4.0
Fuel system: Injection
Fuel control: Overhead Cams (OHC)
Cooling: Oil & air
Gearbox: 6-speed
Transmission: Shaft drive (cardan) (final drive)
Frame: Three-section composite frame consisting of front and rear section, load bearing engine.
Front suspension: BMW Motorrad Telelever; stanchion diameter 35 mm, central strut, rebound damping adjustable
Front travel: 120 mm (4.7 inches)
Rear suspension: Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever; central strut, spring pre-load adjustable to continuously variable levels by means of hydraulic handwheel, rebound damping adjustable
Rear travel: 135 mm (5.3 inches)
Front tyre: 120/70-ZR17
Rear tyre: 180/55-ZR17
Front brakes: Double disc
Front brake Ø: 320 mm (12.6 inches)
Rear brakes: Single disc
Rear brake Ø: 276 mm (10.9 inches)
Dry weight: 219.0 kg (482.8 pounds)
Wet weight: 239.0 kg (526.9 pounds)
Seat height: 835 mm (32.9 inches) If adjustable, lowest setting.
Height: 1097 mm (43.2 inches)
Length: 2170 mm (85.4 inches)
Width: 920 mm (36.2 inches)
Wheelbase: 1486 mm (58.5 inches)
Fuel capacity: 20.50 litres (5.42 US gallons)

The 2004 BMW R 1150 R Rockster

2004 BMW R 1150 R Rockster takes the standard R 1150 R platform and roughens it up, trading touring pretensions for a streetfighter stance that stands apart from the rest of BMW's roadster range. This is a boxer-twin naked bike built for riders who want torque-rich, low-end grunt more than outright top-end rush, and the shaft drive means you're not fussing with chain maintenance between rides. The riding position is upright and aggressive rather than sport-crouched, so it rewards confident city riding and back-road carving over long highway hauls, though the tank size suggests BMW didn't forget it might get ridden further than across town. It's a bike that feels muscular and a little raw at low speeds, with the boxer's characteristic engine rock giving it personality most inline-four nakeds lack. The 2004 model carried over without significant mechanical changes from the prior year, so buyers comparing it to a 2003 example should focus on mileage, service history, and condition rather than spec differences. Owners tend to be experienced riders who already know BMWs and want something with more attitude than the standard R-series offers, often stepping down from bigger touring machines or up from smaller standards. Collector interest remains modest, making this mostly a rider's buy rather than an investment.