BMW 3 Owners & Service Manuals

BMW 3: Wheels and tires

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 Tire inflation pressure

General information The tire characteristics and tire inflation pressure influence the following: The service life of the tires. Road safety. Driving comfort. Fuel consumption. Safety informatio

 Tire identification marks

Tire size 245/45 R 18 96 Y 245: nominal width in mm 45: aspect ratio in % R: radial tire code 18: rim diameter in inches 96: load rating, not for ZR tires Y: speed rating, before the R on ZR tires Max

 Tire tread

Summer tires Do not drive with a tire tread of less than 0.12 in/3 mm, otherwise there is an increased risk of hydroplaning. Winter tires Do not drive with a tire tread of less than 0.16 in/4 mm, as s

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 Service information

Electronic emergency gearbox release As with the conventional 8-speed automatic transmission, the GA8P75HZ also has an electrical emergency release option. In conventional vehicles the starter motor rotates for this, and also drives the mechanical transmission oil pump via the torque converter. W

 Introduction

Although the high-voltage battery unit of the G20 PHEV can also be partially charged by energy recovery via the electrical machine, the "normal" charging procedure takes place when the G20 PHEV is connected to the AC voltage network of the local power supply company. Energy is taken fro

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