BMW R 100 spare parts

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BMW R 100 spare parts-boxer longness in their most versatile form

From the classic café half-shell racer to the long-distance travel area: the BMW R 100 series (1976-1996) stands like no other airhead segment for modular technology, high repair friendliness and a global partial infrastructure. The air/oil-cooled 980 cm³ boxer, paralover or double swing drive and a silk-soft 5-speed transmission form the basis on which six independent models were created. Thanks to a lively Aftermarket ecosystem, all variants can be included today BMW R 100 spare parts Restoring or subtly modernized-regardless of whether you maintain a CS in a collector's state or convert an RT to the travel workhorse.

BMW R 100 S (1976 - 1980) - The sporting first fuse

As a coupé offshoot of the R 90 S the R 100 s 1976 the 980 cm³ boxer for the first time to 65 hp. The distinctive bikini cladding with double headlights remained, but in the engine there were now 40 mm bing carburettor with #160 main nozzle, an increased oil pump rotor and a more robust coupling (180 mm). Routine care steps:

Oil 10W-50 + filter-7,500 km

Valves 0.15/0.20 mm - 10,000 km

40 mm bing membranes-30,000 km

Brembo-P32 converted set → 15 % shorter braking distance

BMW R 100 RS (1976 - 1984) - Aerodynamics for the Autobahn

The one drawn by Hans Muth R 100 RS is the first series machine with fully integrated wind tunnel cladding. The same 65 hp boxer as in the S, but with 38 mm cargo (from ’81 40-mm), spacious oil cooler and double disc brake at the front. Typical Rs-only-Trover parts: front cladding brackets (46 63 1 233 XXX), tinted disc, instrument thermal protective caps.

BMW R 100 CS (1981-1984)-The last classic-sporty Airhead

The CS merged the S-chassis with an RS aerodynamic crescent shell. 65 hp, electronic bean-digital ignition and 325 mm Brembo disc. Popular upgrades: 320 mm mirror-wave discs, progressive Wilbers fork feathers and low-vibration handlebar.

BMW R 100 RS Monolever (1987-1996)-From the solo driver to the carrier pigeon

In 1987 the RS received the monolver hermit and 32 mm bing carburetor, performance 60 hp. Smoking paralever connection makes clutch hubs (21 21 2 331 097) a wear point. Life battery saves 4 kg; MOSFET controller prevents rotor overheating in long-distance cruise.

BMW R 100 RT (1978 - 1995) - King of the mileage

The RT Brings full touring cladding, 250-W lighting machine, heating handles and 40-l case system. Important spare parts: Support bearing for cladding (46 63 1 231 483), disc mechanics, 35-ampere-Reg-Rec (320 W) and coupling cylinder (from ’88 hydraulic).

BMW R 100 LT (1987 - 1992) - "Luxury Touring" ex works

Essentially an RT with a series case, top case, radio preparation, fully electric dim. Spare parts rarely: LT seating bench heating element, additional headlight relay, cable harness branches (61 12 1 244 311).

BMW R 100 GS (1987-1996)-The adventure pioneer

Paralever vibration, 21-inch front wheel, 67 hp (from ’91 60 hp for exhaust gas) and 285 mm ground clearance: the R 100 GS is the basis of every 90s world travel film. Key spare parts: cross joint kit, ZF dampers, enduro transmission primary (37/11), Hallberger module (12 11 1 244 071) and large-volume aluminum q tanks.

Boxer kernel parts-compatible across model

Piston rings Ø 94 mm (11 25 1 337 149)-All R100 variants

Oil pump rotor (11 41 1 337 180)-reinforced from ’81, compatible backwards

Cup disk 180 mm (21 21 2 303 798) - CS/RS/S/RT/LT

Hall giver + TCI (12 11 1 244 071)-RS monolver, RT, GS, LT

Maintenance & intervals-the boxer routine plan

  • Oil + filter-7,500 km (20W-50), clean oil cooler
  • Valve game - 10,000 km (E 0.15 mm / a 0.20 mm)
  • Gearbox / cardan oil-15,000 km, GL-5 80W-90
  • Spark plugs W 7DC - 10,000 km, Iridium double
  • Spokes tension GS-seasonal, check the cross spokes

Typical weaknesses & modern spare parts

Hall provider failure -Replace the Bosch sensor with silent hustle and bustle module, heat-resistant.

Coupling cylinder (Rt/lt)-leader → Magura-Rebuild kit including X-ring.

Paralever cross joint (GS)-Lubrication Nipple retrofitting extended service time> 60,000 km.

Brake spiral joint (RS)-Stahlflex-held lines + Brembo P32 catering.

Aftermarket upgrades that are worthwhile

  • Siebenrock 1070 kit -10 % more torque, TÜV-compliant, requires 40 mm bing nozzles #165.
  • Wilbers 640 Federbein (GS/RS)-Train/High Low Print, tailor-made spring rate.
  • MOSFET controller FH020AA - Stable 14.5 V, protects rotor and battery.
  • LED H4 use - +200 % light, 20 W instead of 55 W.

Spare parts supply - OEM, Heritage & Community

BMW Classic leads core components until 2030: cylinder head density sets, crankshaft half-shells, cross-joint sets. Specialists like Siebenrock, Motors Israel and Toni Hagemeister offer revised gears (M97), 1070-big bore kits and electronic ignition systems. There are marketplaces for NOS cladding parts and travel tanks in Foren (2-ventiler.de, Advrider).

Replacement - why count original parts

Matching-Numbers-Rs (’77 -’79) with 40 mm bing and original Avus-silver painting achieve 2025 prizes over € 12,000. GS-Basic (’95) is 14–16,000 € if paralean & cross spokes intact and more original based on the original BMW spare parts are documented. Converted LED headlights and motoscope-axis have to carry test-efficient ABE, otherwise there is a risk of loss of value.

Conclusion - with BMW R 100 spare parts in the next decades

Whether sporty CS racer, comfortable RT touring lounge or GS world travel machine-each BMW R 100 Lives from precise maintenance, high -quality spare parts and a community that shares knowledge. The modular Airhead structure allows cross-model parts supply and updates that increase everyday suitability and collector's value. Invest in original or tested after-market BMW R 100 spare parts, and your boxer will continue to clatter, bumble and inspire - on Alpine passes, world tours or Sunday trips, far beyond half a century.

With the right parts, the 1-liter airhead remains a generational boxer that combines technology and adventure in perfect balance.