| Specification | Data |
|---|---|
| Production Years | 2002-2005 |
| Engine Oil | SAE 20W-50 API SF/SG/SH (3.75 L) |
| Front Tire | 150/80 R 16 71V |
| Rear Tire | 170/80 B 15 77H |
| Battery Type | 51913 (19Ah) |
| Spark Plugs | NGK BKR7EKC / NGK DCPR8EKC |
At MotoSpecsLab, we evaluate machines based on their engineering intent. The BMW R 1200 CL, based on the internal designation 442, remains one of the most polarizing yet technically fascinating cruisers in BMW’s history. A unique engineering highlight of the R 1200 CL is its overbuilt Telelever front end; unlike the standard R 1200 C, the CL features a significantly wider fork spacing to accommodate a massive 150mm front tire—a design choice aimed at providing unparalleled stability for transcontinental touring.
Engineering Legacy: The Luxury Boxer
Introduced in 2002, the CL was BMW’s attempt to fuse the cruiser aesthetic with the touring capabilities of their LT series. It utilized the 1,170cc air/oil-cooled flat-twin engine, specifically tuned for low-end torque. The most striking feature remains the integrated fairing with four distinct headlights, providing a light signature that was decades ahead of its time in terms of visibility and presence.
Maintenance Guide: Fluid & Ignition Standards
To maintain the longevity of the Boxer engine, adherence to specific lubricant standards is non-negotiable. The R 1200 CL utilizes a dry clutch system, meaning the engine oil does not need friction modifiers. We recommend a high-quality SAE 20W-50 mineral or semi-synthetic oil meeting API SF, SG, or SH standards. The total capacity is 3.75 Liters.
Ignition System
The ignition system relies on dual-electrode plugs to ensure complete combustion in the large-bore cylinders. Depending on the specific production month, the machine utilizes either NGK BKR7EKC or NGK DCPR8EKC plugs. Always verify the gap and heat range before installation to prevent pre-ignition issues common in air-cooled configurations.
Chassis & Tire Dynamics
The handling characteristics of the 442 are heavily dependent on tire health and pressure. Due to its heavy curb weight and touring geometry, incorrect pressures can lead to ‘cupping’ of the front tread. Front pressure must be maintained at 2.5 bar (36.3 psi). The rear requires 2.7 bar (39.2 psi) for solo riding, which should be increased to 2.9 bar (42.1 psi) when the integrated hard luggage is fully loaded.
The MotoSpecsLab Verdict
The BMW R 1200 CL is a masterclass in ‘form follows function’ from a German perspective. While its styling was controversial, its mechanical robustness is undeniable. For the modern collector or long-distance rider, keeping this machine within its tight factory tolerances is the key to enjoying one of the smoothest cruiser rides ever engineered.