Genuine BMW
SKU: BMW-11251727461

BMW Engine Piston Ring Set - Genuine BMW 11251727461

318i, 318is, 318ti

One piston ring set services one piston, includes compression, wiper, and oil control rings, 84.000mm



Available
Ships in 4-6 weeks
Price each: $69.99
Core charges are assigned to parts that have reusable components by manufacturers to encourage the return of the used units. Once you return the old part you will be refunded for your core charge, details regarding the return will be emailed to you once you place the order. Note: The customer is responsible for the cost of return shipping.
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Description

Details

SKU:
BMW-11251727461
FCP Euro ID:
245238
Quality:
Genuine

OE Numbers

11251727461

MFG Numbers

N/A

Product Information

The purpose of piston rings varies based on their installed position but generally, they are responsible for combustion chamber sealing (compression), oil control, and heat transfer. The three types of piston rings are as follows:

Compression ring (top): The compression ring is the closest ring to combustion gases and is exposed to the greatest amount of chemical corrosion and the highest operating temperature. The compression ring transfers a majority of the heat from the piston to the cylinder wall/engine block.

Wiper ring/secondary compression ring (middle): The wiper ring, sometimes called the scraper ring, Napier ring, or backup compression ring, is the next away from the cylinder head on the piston. The wiper ring provides a consistent thickness of oil film to lubricate the running surface of the compression ring.

Oil control ring (bottom)- An oil ring includes two thin rails or running surfaces. Holes or slots cut into the radial center of the ring allow the flow of excess oil back to the oil reservoir. The oil control ring also has the most amount of surface pressure generally to control oil film.

About Genuine BMW

The original parts used by BMW to build your car are available as replacement parts under the “Genuine BMW” brand. When ordering a Genuine BMW part you are guaranteed to get the same part that you would pick up from your local dealerships part department. Genuine BMW parts have been built to BMW’s stringent standards and are the same quality of the original parts used to build your Ultimate Driving Machine.

You may not realize this, but the parts that make up your BMW are not necessarily manufactured by BMW. No cause for concern, as BMW designs the part, hires a manufacturer, and ensures its quality to you. In fact, many of these manufacturers have been making parts for BMW for decades. In our industry these manufacturers are called OEM (Original Equipment Manufacturers), and these are often brands you recognize, including Lemforder, ZF, Sachs, Bosch, Valeo, Zimmermann, Siemens VDO, Corteco, and more. Don’t be surprised to open that Genuine BMW parts box and find an OEM branded part inside, simply with the addition of a BMW logo.

Be sure to keep an eye out for OE tags on our product pages to quickly identify parts coming direct from OE manufacturers. That extra bit of insight could save you some serious money while shopping! Refer to our OE Academy for further information regarding the OE/OEM tags throughout the site.

Fits These Cars

BMW 318i

  • 1991 BMW 318i Engine Piston Ring
    Automatic RWD Convertible 1.8L L4 M42 Gas
  • 1991 BMW 318i Engine Piston Ring
    Manual RWD Convertible 1.8L L4 M42 Gas
  • 1991 BMW 318i Engine Piston Ring
    Automatic RWD Sedan 1.8L L4 M42 Gas
  • 1991 BMW 318i Engine Piston Ring
    Manual RWD Sedan 1.8L L4 M42 Gas
  • 1992 BMW 318i Engine Piston Ring
    Automatic RWD Convertible 1.8L L4 M42 Gas
  • 1992 BMW 318i Engine Piston Ring
    Manual RWD Convertible 1.8L L4 M42 Gas
  • 1992 BMW 318i Engine Piston Ring
    Automatic RWD Sedan 1.8L L4 M42 Gas
  • 1992 BMW 318i Engine Piston Ring
    Manual RWD Sedan 1.8L L4 M42 Gas
  • 1993 BMW 318i Engine Piston Ring
    Automatic RWD Convertible 1.8L L4 M42 Gas
  • 1993 BMW 318i Engine Piston Ring
    Manual RWD Convertible 1.8L L4 M42 Gas
  • 1993 BMW 318i Engine Piston Ring
    Automatic RWD Sedan 1.8L L4 M42 Gas
  • 1993 BMW 318i Engine Piston Ring
    Manual RWD Sedan 1.8L L4 M42 Gas
  • 1994 BMW 318i Engine Piston Ring
    Automatic RWD Convertible 1.8L L4 M42 Gas
  • 1994 BMW 318i Engine Piston Ring
    Manual RWD Convertible 1.8L L4 M42 Gas
  • 1994 BMW 318i Engine Piston Ring
    Automatic RWD Sedan 1.8L L4 M42 Gas
  • 1994 BMW 318i Engine Piston Ring
    Manual RWD Sedan 1.8L L4 M42 Gas
  • 1995 BMW 318i Engine Piston Ring
    Automatic RWD Convertible 1.8L L4 M42 Gas
  • 1995 BMW 318i Engine Piston Ring
    Manual RWD Convertible 1.8L L4 M42 Gas
  • 1995 BMW 318i Engine Piston Ring
    Automatic RWD Sedan 1.8L L4 M42 Gas
  • 1995 BMW 318i Engine Piston Ring
    Manual RWD Sedan 1.8L L4 M42 Gas

BMW 318is

  • 1991 BMW 318is Engine Piston Ring
    Manual RWD Coupe 1.8L L4 M42 Gas
  • 1992 BMW 318is Engine Piston Ring
    Automatic RWD Coupe 1.8L L4 M42 Gas
  • 1992 BMW 318is Engine Piston Ring
    Manual RWD Coupe 1.8L L4 M42 Gas
  • 1993 BMW 318is Engine Piston Ring
    Automatic RWD Coupe 1.8L L4 M42 Gas
  • 1993 BMW 318is Engine Piston Ring
    Manual RWD Coupe 1.8L L4 M42 Gas
  • 1994 BMW 318is Engine Piston Ring
    Automatic RWD Coupe 1.8L L4 M42 Gas
  • 1994 BMW 318is Engine Piston Ring
    Manual RWD Coupe 1.8L L4 M42 Gas
  • 1995 BMW 318is Engine Piston Ring
    Automatic RWD Coupe 1.8L L4 M42 Gas
  • 1995 BMW 318is Engine Piston Ring
    Manual RWD Coupe 1.8L L4 M42 Gas

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