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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 Controller

General information The buttons can be used to open the menus directly. The Controller can be used to select menu items and enter the settings. Some iDrive functions can be operated using the touchpad on the Controller. Operation Turn to switch between menu items, for example. Press to selec

 Interior lights

General information Depending on the equipment version, interior lights, footwell lights, entry lights, ambient lighting, and speaker lighting are automatically controlled. Overview Buttons in the vehicle Interior lights Reading lights Switching the interior lights on/off Press the button. To swi

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