Metelli 05-0744 Brake Master Cylinder

Metelli New Master Cylinder for BMW Brake Systems

The Metelli New Master Cylinder, part number 05-0744, is a new brake master cylinder built with an aluminium housing and a 25.40/22.20 bore diameter. It is specified without a reservoir and is listed for a wide range of BMW applications, including BMW X1, 135i, 328i, and 335i models.

Key Features

• Brand: Metelli New Master Cylinder
• Part number: 05-0744
• Brake master cylinder for hydraulic brake systems
• Aluminium housing for lightweight construction
• Master cylinder bore diameter: 25.40/22.20
• Reservoir included: No
• Condition: New

Product Details

Metelli 05-0744 is a brake master cylinder for BMW vehicles that require the listed bore size and hydraulic configuration. The New Master Cylinder line focuses on direct-fit brake hydraulic replacement parts, and this unit is cross-referenced to OE and aftermarket numbers including ATE 010797 and CSF 10797 for the same application. It is a practical replacement choice for BMW X1, 135i, 328i, 335i, and related models where the original master cylinder has worn internally or is no longer maintaining consistent pedal pressure.

Compatible With: Fits 2013-2015 BMW X1, N/A; Fits 2010-2014 BMW X1, N/A, sDrive 18d; sDrive 20d; xDrive 18d; xDrive 20d; Fits 2010-2014 BMW X1, N/A, xDrive 23d; Fits 2010-2014 BMW X1, N/A, xDrive 28i; Fits 2008-2013 BMW 135i, N/A; Fits 2013 BMW 135is, N/A; Fits 2007-2013 BMW 328i, N/A; Fits 2009-2013 BMW 328i xDrive, N/A; Fits 2007-2013 BMW 335i, N/A; Fits 2009-2013 BMW 335i xDrive, N/A; Fits 2011-2013 BMW 335is, N/A; Fits 2006-2011 BMW 323i, N/A; Fits 2011 BMW 325i, N/A; Fits 2006 BMW 325i, N/A; Fits 2009-2011 BMW 335d, N/A; Fits 2006-2010 BMW 130i, N/A; Fits 2007-2008 BMW 328xi, N/A; Fits 2007-2008 BMW 335xi, N/A; Fits 2006 BMW 325xi, N/A; Fits 2006 BMW 330i, N/A; Fits 2006 BMW 330xi, N/A.

What This Part Helps Address

• Brake pedal travel that feels excessive or inconsistent
• Internal master cylinder leakage affecting hydraulic pressure
• Loss of braking response caused by worn seals or bore wear
• Brake fluid pressure issues in BMW hydraulic brake systems
• Replacement needs after master cylinder failure or contamination

Installation Notes and Tips

Verify the bore diameter, reservoir configuration, and vehicle application before installation. This part does not include a reservoir. After installation, the brake system should be properly bled to remove air from the hydraulic circuit and restore pedal feel. Confirm all brake line connections are clean and secure before returning the vehicle to service.

Quality Assurance

Metelli’s New Master Cylinder line is built for brake hydraulic replacement applications and is supported by OE-style cross references for the listed BMW fitments. Part number 05-0744 is supplied as a new component for direct replacement use.