Tuesday, November 17, 2020

BMW 228i BMW OPERATING FLUIDS - ENGINE TECHNICAL SERVICE

BMW 228i BMW OPERATING FLUIDS - ENGINE TECHNICAL SERVICEAuto Worldzz# BMW #228i BMW OPERATING FLUIDS - ENGINE TECHNICAL SERVICE BMW OPERATING FLUIDS - ENGINE TECHNICAL SERVICE Reference Number(s): 11 11.14, Date of Issue: November 2014 Fluids and sealers that are described in this Operating Fluids manual are recommended by BMW. 1.0 GENERAL INFORMATION Use of engine oil that meets the specifications for a vehicle is important for the operation and service life of an engine. Engine oil requirements will depend on the engine design, operating conditions, oil change intervals and, in the case of diesel engines, the fuel grade. A modern engine oil provides more than just a lubrication function. The following qualities are required: Good Wear Protection and Friction Reduction Frictional losses will lead to a reduction of engine power and efficiency. An appropriate engine oil will minimize frictional losses. Excessive wear can lead to a reduction in service life (e.g. wear of bearings, piston rings, cam lobes) or to mechanical failure. Limited Tendency to Produce Combustion Residue During engine operation, a limited amount of oil enters the combustion chamber, where it is burned. Combustion residues or deposits, which build up in the combustion chamber, lead to unwanted increases in compression and promote surface ignition ("pinging"). An appropriate engine oil will help prevent such a condition. Favorable Viscosity Temperature Behavior Viscosity is the tendency of oil to resist flowing. Engine oil, when cold, should be thin enough so that the engine can be cranked over. Hot oil should be thick enough to maintain proper lubrication.https://youtu.be/qrEcCkhee5w1328603412787847169

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