BMW 3 Owners & Service Manuals

BMW 3: Engine Mechanical

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 Engine housing, Crankshaft drive

Engine housing Cylinder head The cylinder head is made of aluminum. Only slight modifications have been made to the B46TU head compared to the B46. Cylinder head Crankshaft drive Crankshaft Comparis

 Connecting rod - Crankshaft drive

Connecting rod Piston Area transferring the force Wrist pin Connecting rod bearing with shaped bore hole Connecting rod Connecting rod bearing (B46TU only) Small connecting rod eye (trapezoid

 IROX coating - Crankshaft drive

Detailed magnification of the IROX coating IROX-coated bearing shell Oil film IROX coating Bearing shell Binding resin Hard particle Solid lubricant The IROX coating is applied to a conventi

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 Fuel preparation

The fuel preparation has again been adapted to meet the emission legislation requirements. The high pressure pump and the injectors have been revised and designed for an fuel injection pressure of 350 bar (5076 psi). Overview of fuel preparation Fuel delivery line Rail pressure sensor Di

 Possible commands

General information Most contents on the Control Display can be spoken as commands, e.g. menu items or list entries. Speak these list entries out loud exactly as they are shown in the list. Say the commands and numbers with normal volume, emphasis, and speed. The status of the voice recognition i

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