-19% VAT for deliveries to NON EU countries! VAT will be deducted after entering the address!

Important information
Regular maintenance is a must for a reliable and good motorcycle. Under normal driving conditions you can do the service a few hundred km sooner or later.
Subsequent you will find technical data as well as maintenance and service information.
We make no claim to completeness or accuracy of all data, these are only for your information.

Spares for BMW R1100RT, BMW R1150RT

Technical data

Parts list for maintenance intervals/service for BMW R1100RT 1996-2001
Parts list for maintenance intervals/service for BMW R1150RT 2001-2004

Model BMW R1100RT 1996-2001
Volume (ccm) 1085
Cylinders 2
Power (HP) 90
Power (KW) 66
Weight (kg) 285
Seat height (mm) 800
Idle speed (R/Min) 1000 ± 150
Injection Injection
Tyre pressure front (bar) 2,2 (2,5)
Tyre pressure rear (bar) 2,5 (2,9)
Spark plug 1 NGK BKR7EKC
Spark Plug 1 NGK BKR7EIX
Standpipe 35 mm Telelever
Drive Cardan
Fork oil per rod 470 ML SAE 10W
Engine Oil Without Filter 3,5 L SAE 20W-50
Engine Oil With Filter 3,75 L
Gearbox Oil 800 ML SAE 90 GL-5
Break Fluid DOT 4
Final Drive Oil 230 ML SAE 90 GL-5
Fuel tank volume 25
Coolant air-cooled

Running-in Check / 600 miles (1.000 km) service:

Change oil when engine at regular operating temperature, renew oil filter (R1100, 1150RT)
Oil change, rear wheel drive (R1100, 1150RT)
Tightening cylinder head (R1100, 1150RT)
Adjusting valve clearance (R1100, 1150RT)
Checking freedom of movement of throttle cable and checking for kinks and chafing (R1100, 1150RT)
Checking front and rear brake fluid level (R1100, 1150RT)
Checking swinging-arm pivot mount (R1100, 1150RT)
Checking operation of side-stand switch (R1100, 1150RT)
Checking/adjusting synchronisation (R1100, 1150RT)
Checking tire pressures and tread depth (R1100, 1150RT)
Checking lights and signalling equipment (R1100, 1150RT)
Test ride as final inspection and function check (R1100, 1150RT)
Confirming BMW Service in on-board documentation (R1100, 1150RT)
Changing oil in gearbox, warmed to normal operating temperature (R1100RT)
Checking clutch play (R1100RT)
Checking security of hose clip at air intake (R1100RT)
Checking security of rear-wheel studs (R1100RT)
Checking security of screws for adjustable handlebars (R1100RT)
Checking idle speed (R1100RT)
Checking throttle valves (R1100RT)
Greasing side stand pivot (R1150RT)

6.000 miles (10.000 km) service (30.000 km / 50.000 km):

Changing engine oil with engine at operating temperature, replacing oil filter (R1100, 1150RT)
Adjusting valve clearance (R1100, 1150RT)
Checking condition of spark plugs (R1100, 1150RT)
Checking battery acid level (R1100, 1150RT)
Cleaning and greasing battery terminals (R1100, 1150RT)
Checking freedom of movement of throttle cable and checking for kinks and chafing (R1100, 1150RT)
Checking operation of side-stand switch (R1100, 1150RT)
Checking/adjusting synchronisation (R1100, 1150RT)
Checking tire pressures and tread depth (R1100, 1150RT)
Checking lights and signalling equipment (R1100, 1150RT)
Test ride as final inspection and function check (R1100, 1150RT)
Confirming BMW Service in on-board documentation (R1100, 1150RT)
Changing oil in gearbox, warmed to normal operating temperature (R1100RT)
Oil change, rear wheel drive (R1100RT)
Checking clutch play (R1100RT)
Checking front and rear brake pads for wear (R1100RT)
Checking front and rear brake discs for wear (R1100RT)
Checking front and rear brake fluid level (R1100RT)
Changing brake fluid, front and rear brakes (R1100RT)
Checking swinging-arm pivot mount (R1100RT)
Lubricating side stand (R1100RT)
Lubricating nipple of clutch cable (R1100RT)
Checking idle speed (R1100RT)
Checking throttle valves (R1100RT)
Reading fault memory with BMW Motorrad diagnostic system (R1150RT)
Gearbox-oil change (R1150RT, every 2 years)
Oil change, rear wheel drive (R1150RT, every 2 years)
Changing brake fluid in Integral ABS wheel circuit, front and rear (R1150RT)
Change brake fluid in entire ABS control circuit (R1150RT)
Checking clutch fluid level (R1150RT)
Change the clutch fluid (R1150RT, every 4 years)
Greasing side stand pivot (R1150RT)
Tension Poly-V belt (R1150RT)
Brake check for BMW Motorrad Integral ABS (R1150RT)

12.000 miles (20.000km) service (40.000 km / 60.000 km):

Changing engine oil with engine at operating temperature, replacing oil filter (R1100, 1150RT)
Changing oil in gearbox, warmed to normal operating temperature (R1100, 1150RT)
Checking valve clearance (R1100, 1150RT)
Replace all spark plugs (R1100, 1150RT)
Replace the fuel filter (R1100, 1150RT; every 40.000 km)
Checking battery acid level (R1100, 1150RT)
Cleaning and greasing battery terminals (R1100, 1150RT)
Replacing intake air filter (R1100, 1150RT)
Checking freedom of movement of throttle cable and checking for kinks and chafing (R1100, 1150RT)
Replace belt for generator (R1100, 1150RT; every 40.000 km)
Checking swinging-arm pivot mount (R1100, 1150RT)
Checking operation of side-stand switch (R1100, 1150RT)
Checking/adjusting synchronisation (R1100, 1150RT)
Checking tire pressures and tread depth (R1100, 1150RT)
Checking lights and signalling equipment (R1100, 1150RT)
Test ride as final inspection and function check (R1100, 1150RT)
Confirming BMW Service in on-board documentation (R1100, 1150RT)
Oil change, rear wheel drive (R1100RT)
Checking clutch play (R1100RT)
Checking front and rear brake pads for wear (R1100RT)
Checking front and rear brake discs for wear (R1100RT)
Checking front and rear brake fluid level (R1100RT)
Visual inspection of the brake pipes, brake hoses and connections (R1100RT)
Changing brake fluid, front and rear brakes (R1100RT)
Checking wheel bearings (R1100RT)
Lubricate the side stand (R1100RT)
Lubricating nipple of clutch cable (R1100RT)
Checking idle speed (R1100RT)
Checking throttle valves (R1100RT)
Reading fault memory with BMW Motorrad diagnostic system (R1150RT)
Oil change, rear wheel drive (R1150RT, every 2 years)
Changing brake fluid in Integral ABS wheel circuit, front and rear (R1150RT)
Change brake fluid in entire ABS control circuit (R1150RT)
Checking clutch fluid level (R1150RT)
Change the clutch fluid (R1150RT, every 4 years)
Checking rear wheel bearing play by tilting wheel (R1150RT)
Greasing side stand pivot (R1150RT)
Brake check for BMW Motorrad Integral ABS (R1150RT)

Maintenance Intervals / Maintenance Plan / Customer Service for Your BMW R1100RT & R1150RT

 

For the sporty and comfortable touring models BMW R1100RT and BMW R1150RT, this page provides you with a comprehensive overview of the recommended inspection and service intervals, typical maintenance tasks, as well as suitable replacement and wear parts. At Hornig, we support you with expert advice, original components, and specially assembled service kits to ensure your RT remains reliable, powerful, and safe.

 

Recommended Maintenance Intervals – Overview

The R1100RT and R1150RT with air-/oil-cooled boxer engine and shaft drive require regular inspections to maintain full performance and safety. Technical sources and maintenance plans show typical intervals as follows:

  • Break-in / Initial inspection (approx. 1,000 km): Oil change, oil filter, valve clearance check, visual and functional inspection.
  • Standard service: Every approx. 10,000 km – includes engine oil change, filter replacement, valve clearance, spark plugs, and diagnostic check.
  • Major service: Approximately every 20,000 km or according to manufacturer’s schedule – including additional work on air filter, brake fluid, gearbox oil, and shaft drive.
  • Operating fluids & brake fluid change: Brake fluid every 1–2 years; gearbox and final drive oil to be checked and replaced as needed depending on use.
  • Serpentine belt (generator belt): Forum reports frequently discuss replacement intervals – inspection for cracks and wear is recommended.

 

Typical Maintenance Tasks

  • Change engine oil & oil filter – for clean and protected engine operation.
  • Check & adjust valve clearance – important for smooth running and performance.
  • Inspect or replace spark plugs – for stable ignition and power.
  • Air & fuel filter service – filter intervals depending on riding profile (touring, city).
  • Check brake system: Inspect brake pads, brake discs & brake fluid for wear and condition.
  • Drivetrain & gearbox: Check oil levels, final drive, seals.
  • Check/replace generator belt (serpentine belt): The belt should be inspected for cracks, glazing, or wear; many riders report in forums that postponing replacement too long can lead to issues.
  • Electrics & lighting: Check battery, charging system, lighting and signaling systems.
  • Visual inspection & fasteners: Check bolts, cables, throttle cables, wheels & tires for proper fit and wear.

 

Service Parts & Maintenance Kits from Hornig

At Hornig, you will find a comprehensive range of high-quality spare parts and maintenance kits for your BMW R1100RT and R1150RT:

  • Engine & gearbox oil according to manufacturer specifications
  • Oil filter, air filter, fuel filter & sealing rings
  • Spark plugs & ignition system components
  • Brake pads, brake discs & DOT brake fluid
  • Final drive bearings, shaft seals & lubricants
  • Generator serpentine belt: Suitable belts for safe alternator operation
  • Batteries, electrical connection kits & cable components

Our service kits enable efficient maintenance – whether in your own garage or together with a professional workshop.

 

Community Tips & Advice from the R1100RT / R1150RT Scene

Within the RT community, you will find valuable experiences that go beyond the official maintenance schedules:

  • Some owners recommend replacing the drive belt during the 20,000 km service in addition to oil, valves, and brake fluid – especially on older bikes.
  • Forum discussions also note that careful and timely maintenance, especially of belts and the final drive, can significantly improve long-term reliability and longevity of the RT models.

 

Practical Tips for Your BMW R1100RT / R1150RT

  • Keep a complete service booklet – thorough documentation has a positive effect on resale value.
  • Use only spare parts and operating fluids that meet the manufacturer’s recommended specifications – Hornig is happy to advise you.
  • Regularly inspect belts: Many RT riders report that timely belt replacement can prevent costly engine damage.
  • After longer periods of non-use (e.g., seasonal breaks), a general check – especially of oil, belts, and battery – should be carried out.
  • Maintenance tasks such as brakes, belts, or final drive should be performed by a professional workshop if you are unsure.

 

Implement Your Maintenance Plan & Order Parts Now

Make use of the recommended inspection and maintenance intervals for your BMW R1100RT & R1150RT and order the appropriate replacement and service parts directly from Hornig. Whether it’s an oil change, brake check, or belt service – with high-quality components and professional advice, you can carry out your maintenance efficiently, safely, and reliably.

 

Note: This text serves as guidance. For exact maintenance schedules, inspection values, or service scope, you should consult your BMW owner’s manual or a qualified professional workshop.