Metelli 55-0087 Clutch Master Cylinder

Metelli Clutch Master Cylinder for BMW Manual Transmissions

The Metelli 55-0087 clutch master cylinder is a hydraulic replacement part for BMW manual transmission applications. Built with an aluminum base material and a 19.05 mm bore diameter, it is specified for consistent clutch pedal hydraulic transfer in a range of BMW 5 Series, 6 Series, M5, and M6 models.

Use this Metelli clutch master cylinder when servicing BMW manual transmission hydraulic systems that require OE-style bore sizing and aluminum construction. Part number 55-0087 is also referenced in cross-application catalogs for the same vehicle coverage.

Key Features

• Aluminum construction for a lightweight hydraulic cylinder body
• 19.05 mm master cylinder bore diameter
• Manual transmission clutch hydraulic component
• Direct-fit coverage for select BMW 525i, 530i, 535i, 550i, 650i, M5, and M6 applications
• Metelli part number 55-0087
• This part cross-references FTE 2107019 for the same application.

Detailed Description

Metelli 55-0087 is a clutch master cylinder engineered for BMW vehicles equipped with manual transmissions. The aluminum body supports a durable hydraulic housing, while the 19.05 mm bore diameter matches the hydraulic sizing used across the listed BMW applications. This part number is a practical replacement choice for drivers and technicians servicing BMW 528i, 535i, 550i, 650i, M5, and M6 models, along with related xDrive and xi variants shown in the fitment data.

Compatible BMW applications include Fits 2008-2016 BMW 528i, N/A; Fits 2012-2016 BMW 528i xDrive, N/A; Fits 2008-2014 BMW 535i, N/A; Fits 2006-2014 BMW 550i, N/A; Fits 2006-2010 BMW M5, N/A; and Fits 2006-2010 BMW M6, N/A. The Metelli 55-0087 is also listed for earlier BMW 525i, 530i, 530xi, 545i, and 645Ci applications.

Common Replacement Reasons

• Clutch pedal feels soft or inconsistent
• Hydraulic fluid leakage at the master cylinder
• Difficulty disengaging the clutch during shifting
• Reduced clutch pedal return or travel
• Hydraulic pressure loss in the clutch system

Installation Notes and Tips

Verify the bore diameter, hydraulic connection points, and vehicle fitment before installation. After replacement, bleed the clutch hydraulic system thoroughly to remove trapped air and restore pedal feel. Confirm the vehicle is one of the listed BMW manual transmission applications before ordering, including 2002-2007 BMW 525i and 530i, 2004-2005 BMW 545i and 645Ci, and 2008-2014 BMW 535i and 550i variants.

Quality Assurance

Metelli supplies this clutch master cylinder as a cataloged replacement part with OE-style application coverage and published interchange references, including Anchor 2231 and FTE 2107019. Part number 55-0087 is identified for BMW manual transmission service across the listed fitments.