BMW R 100 S spare parts

BMW R 100 S spare parts-sports boxer DNA for generations

As BMW 1976 Die R 100 s presented, she combined the iconic style of the R 90 S with a boxer enlarged to 980 cm³, 65 hp peak output and a revised chassis, the freeway and Alpine passes equally took confidently. Only four years of production (’76 -’80) make the model rare, but his modular technology and a living Spare parts network still enable faithful to the original today Restorations or subtle upgrades. This detailed overview explains all relevant BMW R 100 S spare parts - from Kolbenringen over Brake calipers to instrument seals - and delivers practical Tips so that your air-cooled sports airhead reliably, remains value -resistant and authentic.

1 | Historical classification - from the R 90 S to the R 100 S

The R 90 S (1973) founded BMW's comeback in the sports segment. Three years later, the displacement grew to 980 cm³ - the R 100 s received the new "Type 247/7" engine, but retained the characteristic bikini cladding, Dual instruments and the iconic two-color painting (Daytona Orange or Silver blue). The most important technical innovations included:

2 | Motor & intake-spare parts for boxer power

The 94 mm piston sits in Nikasil-coated cylinders, which, thanks to harder career, have to be sought less frequently. Storage sets and sealing kits are listed at BMW Classic by 2030.

The R 100 s Use 40 mm bing-CV carburetor With main nozzle #160, idle #45; Nadel nozzle 2.66. Every 30,000 km is recommended a complete rebuild to Minimize mixture fluctuations and smell of fuel.

3 | Cup & gear - switch gently instead of tough

The 180 mm dry clutch transmits up to 85 Nm - Reserves for tuning. Rattling in idle on worn friction slices or loose Rivet. Remedy:

• ✓ Cup disk 21 21 2 303 798 (organic, asbestos -free)
• ✓ Korb rivet Rebuild kit Heiden Tuning #HT-K180
• ✓ Loan feather reinforced 21 21 21 1 232 332 - +15 % contact force

The M94 transmission is robust, but gear jumpers at 3./4. Gear arise when the switch roller and switching fork are worn out. Laser-ground replacement forks (Motorcycle Israel) offer 0.02 mm closer tolerance window And extend their lifespan by factor 2.

4 | Chassis & brakes - chassis spare parts for precision

The 38 mm stable (showa) has standard 175 mm travel; Progressive forkfedue replacement eliminated by Wilbers (5.5–7.5 N/mm) Brake through with hard.

5 | Electrics & lighting - safe electricity on sports tour

Bosch light machine with 280 W covers series load Plus heating handles. Reduce LED lamps Total consumption by 30 W - reserve for navigation system or seat heating.

• ✓ Lima-Rotor 12 31 1 243 195 Change with undervoltage
• ✓ Regular upgrade MOSFET FH020AA Plug-and-play adapter available
• ✓ Main corner LED H4 (Lumileds 3 200 lm), 30 W instead of 55 W
• ✓ Contactless ignition box Alpha signing (Israel engines)-adjustable curves

6 | Maintenance plan-rhythm for long boxer life

• ✓ Oil + filter - 7,500 km / 1 year
• ✓ Set valves - 10,000 km
• ✓ Spark plugs W7DC - 10,000 km
• ✓ Clean the air filter - 15,000 km
• ✓ Gearbox, axle oil - 15,000 km
• ✓ Steering head & swinging camps - 25,000 km fat
• ✓ Brake fluid dot 4 - 2 years

7 | Tuning & upgrade packages-more torque, less weight

• ✓ Siebenrock 1 070 cm³ kit +10 % torque, identical outdoor look, TÜV-compliant
• ✓ Öhlins Stx 36 twin shocks Tension level + preload externally, -1 kg unpr.
• ✓ 320 mm Moto-Master Wave +18 % braking performance with Brembo P4-30/34-saddle
• ✓ Titan-exhaust Keihan 3.2 kg lighter, 1 dB quieter, ABE available
• ✓ Li-ion-Akku 8 Ah 4 kg savings, higher cold start performance

8 | Spare parts supply - OEM, Heritage & Scene

BMW Classic lists core components (crankshaft bearing shells, Cylinder head density rates, clutch, brake discs) in the long term. Aftermarket specialists: Siebenrock (Big bore, power kits), Motors Israel (Alpha signing, gear), Boxer supplies (Stainless steel systems) and Silent hustle and bustle (Ignition). Community marketplaces (2-ventiler.de, ibmwr.org) offer NOS covering panes, instrument rings and original Daytona-orange decorative strips.

9 | Replacement - documented spare parts as price drivers

Loud Classic car market price mirror 2025 lies a matching number r 100 s in "Daytona Orange" with the original exhaust and service booklet at 11,000 - 13,000 €. Demonstrably built OEM BMW R 100 S spare parts (Coupling, ATE saddle, 40 mm bing) increase the value by 10 %. Conversion without retrofitting parts have to count on discounts.

10 | Conclusion-original parts protect the sports airhead myth

The BMW R 100 S Mark the Highlight of classic boxer sports. Regular maintenance, careful spare parts selection and make it verifiable history Your two -valve not only a driving pleasure, but one Safe love affair with long-term value. Set consistently BMW original or Checked high quality aftermarket parts, and your 65-hp-airhead becomes for more decades with Sonors boxer bass the curves Set the world.

With a tested BMW R 100 S spare parts Experience them Golden era of boxer athletes in full authenticity-day by day.