BMW 3 (G20) 2018 thru 2022, repair e-manual

Content

Maintenance and general note

• Maintenance
• Safety information, note regarding the handling of the repair instructions
• Raise vehicle and tow away
• Tightening specifications
• 12 V vehicle electrical system
• Vehicle-specific notes
• Operating fluids
• Heating/air conditioning system

Engine

• Cylinder head with lid
• Case covers
• Crankcase ventilation
• Crankshaft and bearings
• Flywheel
• Vibration damper
• Connecting rods and bearings
• Pistons with rings and pins
• Drive belt with tensioning and deflecting element
• Camshaft
• Rocker arm with bearing
• Valves with springs
• Variable camshaft control
• Variable valve gear
• Oil supply
• Oil pump with strainer and motor
• Oil filters and lines
• Coolant pump with drive
• Thermostat and engine-proof coolant lines
• Intake manifold
• Charger with control
• Vacuum pump
• CO adjustment, oxygen sensor

Engine electrical system

• Engine electrical system
• Ignition lead, spark plugs
• Ignition coil
• Electronic shift units or control units
• Alternator with drive and mounting parts
• Starter motor with mounting
• Starter line
• Engine wiring harness
• Oil pressure, oil temperature, oil
• level display
• Switches and relays
• Control unit box

Fuel preparation and control

• Fuel preparation, check
• Fuel pump with drive and line
• Injection pump, control section, mixture control unit
• Fuel injector nozzles and lines
• Throttle valve and operation
• Intake silencer
• Air filter
• Carbon canister ventilation

Fuel supply

• Fuel tank with fuel filler pipe
• Lines
• Crankcase ventilation, emission monitoring
• Delivery, preparation and content measurement control units, electric fuel pump

Cooling

• Radiator, expansion tank, lines
• Engine oil cooler and mounting parts
• Oil cooler
• Charge air cooler with mounting

Exhaust system

• Rear and front silencer, diesel fuel
• Silencer
• Exhaust gas catalytic converter

Engine and transmission mounting

Manual gearbox

Automatic transmission

• Transmission case, oil sump
• Transmission extension, bearings, sealing ring
• Electro-hydraulic control parts and elements
• Oil pump
• Shift valves, parking lock

Propeller shaft

• Single or multiple part propeller shaft
• Centre console assembly

Front axle, front suspension

• Front axle in general
• Front axle suspension
• Front axle support
• Wishbones and struts including rubber mounts
• Spring struts
• Anti-roll bar
• Output shaft

Steering and wheel alignment

• Steering, measurement
• Mechanical steering gear
• Steering gear with power steering unit
• Steering column stalk, track rod, steering damper
• Steering column
• Steering wheel
• Airbag and airbag steering wheel

Rear axle, rear-wheel drive, guide

• Rear axle, rear-wheel drive, guide
• Rear axle final drive
• Transmission housing with lid
• Rear axle support
• Trailing arms and struts
• Rear axle suspension
• Shock absorbers
• Springs with suspension
• Anti-roll bar

Brakes

• Braking, check, ventilation
• Front wheel brakes
• Rear wheel brakes
• Foot and tandem brake master cylinder
• Brake Lines
• Brake servo
• Electrical components / wear indicator
• Parking brake
• Mechanical hydraulic components
• Electronic components

Integrated suspension systems

• Integrated suspension system in general
• Control and suspension elements
• Electric components

Body

• Body
• Support
• Floor panels
• Wheel arches
• Side frames and pillars
• Roof frame
• Roof
• Front and rear window frame
• Front trim panel
• Rear trim panel
• Side panels
• Front doors
• Rear doors
• Tailgate

Body equipment

• General body equipment
• Front Bumper
• Rear bumper
• Trim parts, covers, handle strip
• Badges, labels, adhesive strips
• Mirrors, finishers, ashtrays, consoles
• Door locks, handles, fittings
• Bonnet catch, locks
• Tailgate catch, locks
• Front and rear window
• Power windows
• Trim
• Headlining
• Gaskets and loose body components
• Mucket for doors
• Underbody panelling
• Seats

General vehicle electrical system

• General vehicle electrical system, check
• Wiring harness
• Auxiliary cable
• Plug connection, terminal
• Power distribution box , current terminals
• Battery
• Switch, sensor
• Horn
• Control units, modules
• Windscreen wipers
• Windscreen washer system

Instruments

• Instrument cluster
• Head-up display

Lights

• Headlight adjustment
• Front lights
• Headlight
• Position lamps, rear reflectors
• Front fog lamps, additional lamps
• Rear light cluster
• Brake lights
• Number plate light
• Interior lighting

Heating and air conditioning

• Heater and controls
• Auxiliary heating with control element
• Air vents and other outlets
• Microfilter
• Air conditioning, check
• Heating and air-conditioning unit
• Compressor
• Condenser and dryer with lines

Audio, navigation, information systems

• Radio, audio amplifier, headunit
• Speaker and cover
• Aerial, interference suppression filter
• Rear window aerial, TV amplifier, wave trap
• Video and TV sets, central information display
• Alarm system
• Pedestrian protection
• Airbag control units, airbag sensors
• On-board computer

Distance system, cruise control, remote operation

• Radio-controlled locking system
• Park distance control
• Adaptive active cruise control
• Lane change warning
• Parking assist system
• Front camera, camera lane departure warning
• Interior camera

Body parts and accessories

• Seat belts
• Gas generators, airbag modules
• Body parts and accessories

Communication systems

Paint

Service information

Tightening torques

Vehicle technical diagnosis

Fault elimination

Special tools

Technical data

Customers reviews