K&N Motorcycle Oil Filter KN-163 — High-Flow Synthetic Media, Wrench-Off Nut for Easier Changes

The K&N KN-163 motorcycle oil filter is a high-flow, heavy-duty replacement filter with premium synthetic media and an integrated wrench-off nut for faster oil changes.

This oil filter is built for powersports engines that demand consistent filtration, high oil flow, and durable construction. K&N engineered the KN-163 to stand up to long service intervals—compatible with synthetic, conventional, and blended oils—while fitting many BMW and other motorcycle models as a direct factory-style replacement. Its reinforced shell, uniform pleated media, and a part-specific bypass/pressure relief design make it a practical upgrade for riders who want reliable filtration and easier maintenance.

How does the KN-163 protect my engine during long rides?

The KN-163 uses premium synthetic filter media with uniform pleats to trap contaminants without choking oil flow. That balance helps keep lubrication consistent under varied conditions, reducing wear on moving parts.

• High-efficiency synthetic media captures fine particles while preserving flow.
• Designed bypass/pressure valve prevents oil starvation under heavy use.
• Lab-tested burst strength and capacity for durable, predictable performance.

Will this filter fit my bike and install easily?

K&N manufactures the KN-163 as an application-specific, direct replacement for many motorcycle models, especially a wide range of BMW bikes from the 1980s through the 2000s. The welded wrench-off nut on the end cap simplifies removal, making routine oil changes faster and less messy.

• Fits numerous BMW motorcycles and multiple model years as a direct-fit alternative.
• Wrench-off nut allows quick removal with a socket or spanner—no special tools required.
• Drop-in installation aligns with factory mounting and sealing requirements.

How long can I expect the KN-163 to last between changes?

K&N rates this filter for long-life protection—up to extended intervals when used with compatible oils and service practices. Longevity depends on riding conditions, oil type, and maintenance habits, but the KN-163 is designed for extended service life without sacrificing filtration performance.

• Engineered for up to 20,000 miles under recommended conditions.
• Optimized for high-end synthetic oils as well as conventional and blended oils.
• Heavy-duty construction maintains integrity through prolonged use.

What performance features matter for high-revving motorcycle engines?

The KN-163 balances capacity and flow so high-revving engines receive sufficient oil at all times. Its pressure-relief design and robust media help maintain consistent oiling during spirited riding, touring, or stop-and-go traffic.

• Uniform pleated media maintains high flow even under heavy oil demand.
• Part-number-specific bypass valve tuned for the application to protect during cold starts and extreme conditions.
• Shell and seal materials chosen to withstand vibration and thermal cycles common to motorcycles.

Who this is for: The K&N KN-163 is aimed at motorcycle owners, mechanics, and touring riders who need a dependable, long-life oil filter that matches factory fitment while offering easier service. It’s particularly suitable for BMW owners and riders of compatible powersports machines who use synthetic or premium oils and want an oil filter that delivers robust filtration, high flow, and quicker wrench-off removal during routine maintenance.

Features include long-life protection up to 20,000 miles, premium synthetic high-efficiency media, extensive laboratory testing for capacity and burst strength, direct factory-replacement fitment, and a performance-engineered bypass/pressure relief design.