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Published : 04/03/2025

BMW R18 Classic: the complete maintenance guide BMW Motorrad

By : Maïna - Categories : BMW Motorrad Guides and Advice , BMW Motorrad Motorcycle Maintenance Guides

You have a BMW R18 Transcontinental or a BMW R18 Classic? Whether you're a enthusiast of long trips or a fan of classic rides, rigorous maintenance is essential to ensure the performance and longevity of your bike. This comprehensive interview guide, based on the official recommendations of BMW Motorrad, accompanies you step by step to take care of your machine. Vials, periodic checks, maintenance of the braking system or Drive Shaft check: discover all the key steps for maintenance BMW R18 Classic succeeded.

Brakes BMW R18 Classic: maintenance of discs and brake pads

The braking system is an essential safety element on the motorcycle BMW R18 Classic. Regular maintenance of discs and pads ensures optimal braking performance and extends the life of the components, ensuring the safety and reliability of your motorcycle BMW.

Brake discs BMW R 18 Classic: Safety and Efficiency

The front brake discs and rear brake discs shall be visually inspected every 10,000 km or at each revision. Check the minimum thickness indicated on the disc (usually around 4.5 mm) and the surface state: any signs of cracking, deep groove or deformation require immediate replacement. A disc in good condition ensures efficient thermal dissipation and constant braking, ensuring the performance and safety of your BMW R18 Classic.

Brake pads BMW R18 Classic: performance and responsiveness

The front pads and rear pads are natural wear and must be replaced when they reach 1 to 2 mm thick of lining. Use original or approved pads to ensure perfect compatibility with the R18 Classic ABS system. A check every 5,000 km is recommended, especially if you are often riding in a duo or loaded, to maintain the quality of the braking and extend the longevity of your bike BMW R18.

Battery BMW R 18 Classic: maintenance and replacement

The battery BMW R18 Classic plays a central role, in particular in starting and feeding electronic equipment. A poorly maintained battery can quickly become a source of breakdown, especially in winter.

Battery maintenance BMW R18 Classic: good practices to follow

Checks the tension at rest: a healthy battery must display between 12.6 V and 12.8 V.
Reload it regularly with a suitable charger, especially if the bike remains immobilized.
Clean the pods and apply protective fat to avoid oxidation.
Replaces battery every 3 to 5 years depending on usage.

Transmission: Drive Shaft de la BMW R 18 Classic and clutch

The R18 Classic has a Drive Shaft transmission reliable, limiting maintenance in relation to a chain. The clutch ensures flexibility and control, especially at low speed.

Drive Shaft maintenance BMW R18 Classic: essential control points

Regularly checks the tightness of the transmission (no oil leaks).
Rear deck oil must be drained every 10,000 km or once a year.
Controls the game and any noises during driving.

Clutch BMW R18 Classic: reliability and flexibility

The R18 Classic dry disk clutch is designed to last. However, in case of skating or a hard point at the handle, a check is required. The clutch fluid must also be replaced every two years to maintain a flexible and accurate control.

Engine maintenance BMW R18 Classic: guide to maintain performance and longevity

The two-cylinder engine of 1,802 cm3 of the BMW R18 Classic offers a generous couple and unique sound, brand characteristics BMW Motorrad. To maintain its performance and reliability, rigorous maintenance is essential. This maintenance guide is designed to assist you in the optimal use of your motorcycle BMW R18.

Oil filter maintenance BMW R18 Classic: recommended frequency and oil

The oil filter must be replaced every 10,000 km, at the same time as discharge, to ensure an effective lubrication system. BMW recommends a high-quality 15W-50 engine oil, certified API SL or higher, to optimize engine performance and durability. The use of an original filter is recommended to ensure optimal filtration and maintain the quality of the engine oil.

Air filter maintenance BMW R18 Classic: frequency, role and recommendations

The r18 Classic air filter must be checked every 10,000 km and replaced if necessary, especially if you are driving in dusty environments. Cracked filter affects engine performance and motorcycle consumption BMW R18. Always choose quality original or equivalent parts to ensure optimal air suction, essential to engine performance and driving experience.

Liquids and consumables essential for maintenance of BMW R18 Classic

Engine oil : 15W-50 synthetic
Brake fluid : ensures an efficient and healthy braking system, to be replaced every 1-2 years

Complete guide for the maintenance of your motorcycle BMW R 18 Classic

Summary of maintenance BMW R18 Classic

Element	Monitoring frequency	Remarks / Actions to be foreseen
Brake discs	Every 10,000 km or at each revision	Check condition, thickness (≥ 4.5 mm), absence of cracks or deformations
Brake pads	Every 5,000 km	Replacement at 1-2 mm wear. Use original or approved parts
Battery	Regular monitoring	Ideal voltage: 12.6 V to 12.8 V. Clean pods, recharge if unused, replace every 3 to 5 years
Rear deck (Drive Shaft)	Every 10,000 km or 1x/year	Oil vacuum, noise control, sealing and play
Clutch	Every 2 years	Fluid replacement, check flexibility and no skating
Oil filter	Every 10,000 km	To be replaced with discharge. Use 15W-50 API SL oil or higher
Air filter	Every 10,000 km	Replacing so crazed. Important when used in dusty environments
Engine oil	Every 10,000 km	15W-50 synthetic recommended by BMW Motorrad
Brake fluid	Every 1-2 years	Ensure proper operation of the braking system
Liquid clutching	Every 2 years	Maintains control flexibility and accuracy

About the author

Maïna

I've been riding motorcycles since I was little, first growing up on the back of BMW motorcycles and then owning my own. Having tested the different riding styles with BMWs...