BMW 3 Owners & Service Manuals

BMW 3: Bluetooth connection

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 Functional requirements

Compatible device, with Bluetooth interface. The vehicle key is in the vehicle. The device is ready for operation. Bluetooth is switched on in the vehicle and on the device. The pairing readin

 Frequently Asked Questions

All requirements are met and all required steps were completed in the specified order. Despite that, the mobile device does not function as expected. In this case, the following explanations can help

 USB connection

General information Mobile devices with a USB port are connected to the USB interface. Mobile phones. Audio devices such as MP3 players. USB storage devices. Common file systems are supported. FA

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 Fuel high-pressure pump

The single-piston high pressure pump by Bosch, well-known from the B46 engine, is used. The high pressure pump HDP6 is driven by a triple cam which is attached to the exhaust camshaft. To be able to accommodate a fuel system pressure of 350 bar (5076 psi), the pump piston and tappet have bee

 Valve gear

VANOS VANOS unit B46 engine and B46TU/B48TU engines VANOS B46 engine VANOS B46TU and B48TU engine Following the changeover from a two-part chain drive to a single-part chain drive, the camshaft sprockets on the VANOS now have 46 teeth instead of the previous 36 teeth. To compensate for the ad

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