Oil Change Kit for BMW R45 R50 R60 65 75 80 90 100 Full Synthetic Service Maintenance

OVERVIEW

This complete oil change kit delivers routine maintenance lubrication and cleaner engine operation for classic BMW boxer twin motorcycles, pairing 3 quarts of Castrol full synthetic power motorcycle oil with a precision-engineered Hiflofiltro HF161 cartridge. Designed to replace worn factory fluids and filters in a single service step, it combines advanced synthetic base stocks with tier-rated paper/media filtration specifically matched to vintage and production BMW roadster and touring trims.

ENGINEERING & PERFORMANCE

The paired components maintain stable viscosity under extreme high temperature conditions across both air-cooled and water-cooled BMW architectures. Castrol full synthetic fluid provides excellent shear stability to resist breakdown during sustained highway loads, while the HF161 cartridge utilizes controlled pleat geometry and reinforced core tubes to meet or exceed original equipment filtration efficiency. Specified quantities and direct-swap dimensions eliminate adapter guessing, ensuring proper pressure flow and complete drainage cycle integrity.

KEY FEATURES

• Complete oil change kit containing 3 quarts of fluid and one cartridge filter
• Castrol full synthetic power motorcycle oil formulation
• Hiflofiltro oil filter HF161
• World’s first TÜV approved motorcycle oil filter platform
• Extreme high temperature performance rating for air-cooled and water-cooled systems
• Excellent shear stability to prevent viscosity breakdown
• Superior high speed engine protection to extend service intervals
• Outstanding oil consumption and control with optimized gear shift quality
• Engineered for reliable wet clutch engagement and corrosion resistance
• DIRECT-fit model-specific fluid volume and threaded interface sizing

TECHNICAL SPECIFICATIONS

• Brand: Castrol / HiFlofiltro
• Part Name: Full Synthetic Oil Change Kit for BMW Boxer Twins
• Kit Type: Complete Oil + Filter Set
• Oil Type & Volume: 3 quarts Full Synthetic Motorcycle Oil
• Filter Model: HF161
• Supported Years: 1969–1996
• Compatible Trims: R45, R50/5, R60, R65, R75, R80, R90, R100, R100 RS/RT/R/CS/S (without oil cooler)

FITMENT

• BMW R45 (1978–1980)
• BMW R50/5 (1969–1973)
• BMW R60 (1969–1984)
• BMW R65 (1978–1995)
• BMW R75 (1969–1984)
• BMW R80 (1984–1995)
• BMW R90 (1975–1976)
• BMW R100 (1976–1984)
• BMW R100 RS/RT/R/CS/S without oil cooler (1973–1996)

WHY RIDERS CHOOSE THIS

Riders choose this service package because it eliminates compatibility uncertainties by delivering a chemically matched synthetic fluid and independently certified filtration cartridge in a ready-to-install layout. The combined assembly sustains consistent oil film thickness at peak operating temperatures, which reduces abrasive metal contact and keeps internal galleries clear of carbon and combustion residue. Direct-size matching ensures rapid drain procedures and maintains proper hydraulic pressure for valve trains and primary drive systems. This calibrated oil-and-filter pairing extends maintenance windows while preserving the responsive throttle feedback and smooth power delivery that define BMW horizontal-twin performance.