BMW Mini Cooper R55 R56 R57 N12 Engine Extension Cable Blow By 7568769

BMW Mini Cooper R55 R56 R57 N12 Engine Extension Cable Blow By is an original component from the Cables, harnesses and connectors group, designed for the crankcase ventilation system in MINI models equipped with the N12 engine. It ensures proper routing of blow-by gases, which promotes stable engine operation and reduces the risk of leaks in the crankcase ventilation area.

Specifications and technical data

• SKU: 7568769
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7568769
• Substitutable numbers: 12527568769, 7568769, EM
• Category: Wiring Harnesses, Cables & Connectors

Function and application of the blow-by cable

The blow-by cable in the N12 engine is responsible for the controlled discharge of blow-by gases from the combustion chamber to the intake system. A properly selected and airtight component:

• stabilizes pressure in the crankcase,
• limits the escape of oil vapors into uncontrolled areas,
• supports smooth engine operation at idle and under load,
• reduces the risk of oil leaks around the valve cover and seals.

By maintaining the factory geometry of the cable, the crankcase ventilation system in a MINI with an N12 engine maintains proper gas flow, which translates into predictable engine performance.

Design and fitment for MINI R55 R56 R57

The cable has been designed specifically for the engine bay architecture of the MINI R55, R56, and R57 with the N12 unit, taking into account routing in tight spaces and proximity to other components. The appropriately selected stiffness and flexibility of the material allow for:

• safe routing of the cable near hot engine components,
• reduction of vibrations transmitted to the connection ports,
• maintenance of connection tightness over a long service life.

Original mounts and the shape of the connections facilitate installation in the factory location, without the need for modifications or the use of additional adapters.

Benefits of using an original MINI cable

Using an original blow-by cable in the N12 engine ensures consistency with the factory crankcase ventilation system design. In practice, this means:

• reliable fitment to the N12 unit without the risk of collision with other auxiliary components,
• preservation of the gas flow characteristics intended by the manufacturer,
• lower risk of errors related to the operation of the intake and crankcase ventilation system.

A component from this group is particularly important when symptoms such as unstable idle speed, excessive oil in the intake, or leaks around the valve cover occur – replacing the blow-by cable is then one of the basic diagnostic and repair steps.

Condition, verification, and economic aspect

The offered cable is in used condition, which allows for an economical repair of the crankcase ventilation system while maintaining the original MINI specification. Before being offered for sale, items from this group are standardly verified for:

• cable continuity and absence of material cracks,
• condition of the connection ports,
• absence of significant deformations affecting installation.

Thanks to this, the cable can be used as a functional replacement for the factory-installed component, without the need to invest in a new part.

System expansion – MINI cables, harnesses, and connectors

If you are planning a comprehensive repair or upgrade of the engine area in your MINI and need other components from the same group, such as vacuum lines, sensor harnesses, or engine installation connectors, check out the available parts in the Mini cables, harnesses and connectors category.

More about using used parts in MINI

For projects related to refreshing older generations of MINI, including R55–R57 models, it is worth knowing the broader context of using used components – from cables and harnesses to mechanical parts and interior equipment. Practical tips, upgrade scenarios, and answers to the most frequently asked questions can be found in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.