Key performance

98 ch
Power
🔧
1085 cc
Displacement
⚖️
245 kg
Weight
🏎️
225 km/h
Top speed
💺
800 mm
Seat height
18.0 L
Fuel capacity
💰
12 600 €
New price
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Technical specifications

Engine

Displacement
1085 cc
Power
98.0 ch @ 7500 tr/min (71.5 kW)
Torque
97.0 Nm @ 5750 tr/min
Engine type
Two cylinder boxer, four-stroke
Cooling
Air
Compression ratio
11.3:1
Bore × stroke
99 x 70.5 mm
Valves/cylinder
4
Camshafts
1 ACT
Fuel system
Injection

Chassis

Frame
bâti avant en alu coulé, bâti arrière en acier
Gearbox
6-speed
Final drive
Cardan
Front suspension
Fourche Telelever, déb : 110 mm
Rear suspension
Mono-amortisseur et monobras Paralever, déb : 130 mm

Brakes

Front brakes
Single disc
Rear brakes
Single disc
Front tyre
120/70-17
Front tyre pressure
2.20 bar
Rear tyre
180/55-17
Rear tyre pressure
2.50 bar

Dimensions

Seat height
800.00 mm
Wheelbase
1478.00 mm
Fuel capacity
18.00 L
Weight
245.00 kg
Dry weight
237.00 kg
New price
12 600 €

Overview

Can you be sporty in a three-piece suit? That's the bet BMW pulled off with the R 1100 S, produced from 1998 to 2005. Where a Honda CBR or a Suzuki GSX-R pin you to the track with the aggressiveness of a pitbull, the BMW R 1100 S prefers controlled, almost aristocratic velocity. Its 1085 cc flat-twin, with a 99 mm bore, a 70.5 mm stroke, and an 11.3:1 compression ratio, produces 98 hp at 7,500 rpm and 97 Nm of torque from just 5,750 rpm. Not enough to scare a Ducati 916, but plenty to hit 225 km/h on the speedometer and devour long A-roads with unwavering appetite. The engine's character reveals itself mostly between 3,000 and 5,000 rpm, where the boxer pushes hard and consistently. Beyond that, the breath fades, the twin showing its limits against Japanese four-cylinders. The six-speed gearbox and shaft drive add to the impression of a machine built to last, not to show off.

BMW R 1100 S

On the chassis side, the 2000 BMW R 1100 S rests on a cast aluminum front frame paired with a steel rear, all suspended by the famous Telelever at the front (110 mm of travel) and the single-sided Paralever at the rear (130 mm). This in-house cocktail, which BMW refined over years, delivers remarkable cornering stability and a level of comfort that pure sportbikes simply don't know. On rough roads, the ability to adjust the fork via a dial accessible without stopping is a game-changer. Braking is handled by Brembo calipers biting a single disc on each wheel, doing the job with precision, even if a dual front disc setup wouldn't have been a luxury for the 245 kg wet weight. The seat, perched at 800 mm, remains accessible, and the 18-liter tank provides decent range for sport-touring. The only real recurring complaint on BMW R 1100 S forums: the boxer's vibrations make themselves known in your hands and feet on long rides — a flaw that owners learn to tolerate rather than forget.

This machine's profile places it in unique territory. Neither a true track weapon nor a sleepy tourer, the R 1100 S is aimed at the experienced rider who wants to ride fast without giving up comfort. Its silhouette still looks sharp twenty-five years after its launch, with that slim tail reminiscent of Italian sportbikes and that single-sided swingarm giving it real visual character. The BMW R 1100 S Boxer Cup, a version dedicated to the single-make racing series of the same name, also helped forge its sporting legend, proving that the flat-twin could hold its own on track. Randy Mamola himself boosted its reputation by riding it at promotional events. Today, a used BMW R 1100 S can be found between 3,000 and 6,000 euros depending on condition and model year, with the 2003 to 2005 versions being the most sought-after for their minor but welcome improvements. It's also a popular base for cafe racer conversions, the flat boxer lending itself perfectly to the aesthetic exercise.

BMW R 1100 S

On test, the BMW R 1100 S reveals its qualities gradually. It doesn't jump in your face like a Japanese sportbike. It wins you over mile after mile, corner after corner, through its mechanical rigor and overall balance. Reviews of the BMW R 1100 S converge on this point — it's a motorcycle that must be earned and one that rewards loyalty. Its main drawback remains its original price positioning, at 12,600 euros new, when a VFR 800 did nearly as well for less money. But it's precisely this demanding nature that gives it its charm today. The BMW R 1100 S spec sheet tells the story of a machine built with seriousness, designed for riders who prefer quiet efficiency over the displacement arms race.

Standard equipment

  • Assistance au freinage : Integral ABS en option

Practical info

  • La moto est accessible aux permis : A

Indicators & positioning

Weight-to-power ratio
0.40 ch/kg
🔄
Torque / weight
0.40 Nm/kg
🔧
Volumetric power
90.3 ch/L
In category Sport touring · 543-2170cc displacement (2082 motorcycles compared)
Power 98 ch Top 58%
56 ch median 101 ch 168 ch
Weight 245 kg Lighter than 41%
204 kg median 240 kg 308 kg
P/W ratio 0.40 ch/kg Top 55%
0.23 median 0.42 0.70 ch/kg

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