| Engine Type | Air/Oil-cooled Boxer, DOHC |
|---|---|
| Production Years | 2008 – 2012 |
| Engine Oil | SAE 15W-50 (4.0 L) |
| Front Tire | 120/70 ZR 17 |
| Rear Tire | 190/55 ZR 17 |
| Tire Pressure (F/R) | 2.5 bar / 2.9 bar |
| Battery | YTX14-BS |
| Spark Plug | NGK MAR8B-JDS |
The BMW HP2 Sport (0458) represents a historic milestone in Bavarian engineering: it was the first production BMW motorcycle to feature Double Overhead Camshafts (DOHC), a design directly derived from the HP2 Endurance race bike. This machine was not merely a variant of the R1200S, but a radical departure, utilizing a self-supporting carbon fiber rear frame and a 2D racing dashboard that remains a benchmark for analog-digital hybrid clarity today.
Technical Review: The High-Performance Boxer
At the heart of the HP2 Sport is a high-revving 1170cc engine capable of producing 133 hp, a staggering figure for an air-cooled boxer of that era. The use of radial valves and forged pistons allowed for a higher redline and a more aggressive power curve. From a chassis perspective, the integration of Öhlins fully adjustable suspension components and Brembo monoblock brakes underscores its track-focused pedigree. The absence of a passenger seat and the inclusion of a quickshifter (Shift Assistant) as standard equipment signaled BMW’s serious intent to dominate the supersport segment.
Maintenance Guide & Fluid Specifications
Maintaining the HP2 Sport requires adherence to strict tolerances to preserve its high-performance characteristics. Below are the critical service parameters for the 0458 model.
1. Lubrication System
The DOHC boxer engine requires a high-quality synthetic oil to manage the thermal loads of high-RPM operation. Use SAE 15W-50 oil. The total capacity, including a filter change, is 4.0 Liters. Ensure the oil level is checked via the sight glass only when the engine is at operating temperature.
2. Ignition & Electrical
The ignition system utilizes the NGK MAR8B-JDS spark plug. Given the high compression ratio, it is vital to inspect these for carbon fouling during annual services. The electrical system is powered by a YTX14-BS battery; due to the high-compression start-up load, maintaining a full charge via a CAN-bus compatible tender is highly recommended during storage.
3. Tires and Handling
To maintain the razor-sharp handling characteristics of the HP2 Sport, tire pressures must be monitored closely. The standard fitment is a 120/70 ZR 17 front and a 190/55 ZR 17 rear. Recommended pressures for street use are 2.5 bar (36 psi) front and 2.9 bar (42 psi) rear.
Expert Summary
The BMW HP2 Sport remains one of the most collectible motorcycles of the 21st century. Its blend of exotic materials like carbon fiber and Kevlar with the traditional boxer layout creates a unique riding experience. Proper maintenance of the DOHC valvetrain and cooling system ensures this engineering masterpiece continues to perform at its peak for decades to come.