Bosch 3985 Engine Oil Filter

Bosch Premium Oil Filter 3985 Overview

The Bosch Premium Oil Filter 3985 is a cartridge-style engine oil filter built for select Porsche and BMW applications. It uses cellulose paper filter media and a nitrile gasket to help capture dirt and harmful particles before they circulate through the engine.

For drivers searching for a Bosch 3985 oil filter for Porsche 911, Cayenne, Macan, or Panamera, this premium filter is made to match OE-style fitment while supporting clean oil flow and engine wear protection.

Key Features

• Cartridge oil filter design for select European engines
• Cellulose paper filtering material for particle capture
• Nitrile gasket material for sealing performance
• OE-style fitment for direct replacement service
• Additional accessories included as listed by the manufacturer
• Part number 3985 for easy catalog lookup

Product Details

Bosch Premium Oil Filters are engineered to keep abrasive contaminants out of the lubrication system, helping maintain oil cleanliness and reduce premature engine wear. The Bosch Premium Oil Filter 3985 uses a cellulose paper media construction and a cartridge format with an outside diameter of 3.268 in and a height of 4.27 in. Bosch positions this Premium Oil Filter line as an OE-style replacement option for drivers who want consistent filtration performance and proper fitment in service applications.

This part is listed for 2009-2025 Porsche 911, 2008-2018 Porsche Cayenne, 2015-2018 Porsche Macan, 2010-2016 Porsche Panamera, 2006-2010 BMW M5, and 2006-2010 BMW M6. If you are searching for a Bosch 3985 oil filter for Porsche 911 or a Bosch Premium Oil Filter for BMW M5 and M6 service, this part matches those applications directly.

What It Helps Address

• Excess dirt and debris in engine oil
• Premature engine wear from contaminated lubrication
• Reduced filtration performance during routine oil service
• Fitment issues when replacing an OE cartridge filter
• Maintenance needs on Porsche and BMW engines that use this filter style

Installation Notes

Verify the cartridge filter dimensions and vehicle application before installation. Replace the filter during scheduled oil service, and inspect the sealing surfaces and housing for debris before reassembly. This Bosch 3985 filter is listed without an anti-drain back valve or bypass relief valve, so correct installation and proper service procedure are important for reliable operation.

Quality Assurance

Bosch Premium Oil Filters are built to support engine protection through controlled filtration and OE-style fitment. The Premium Oil Filter line uses a blend of natural and synthetic materials in Bosch’s product positioning, with this application using cellulose paper media and a nitrile gasket for service reliability.