BMW 4 (G22) 2020 thru 2023, repair e-manual

Content

Maintenance and general note

• Maintenance
• Safety information
• Raise vehicle and tow away
• Tightening specifications
• 12 V vehicle electrical system
• Vehicle-specific notes
• Operating fluids
• Heating / air conditioning system
• General maintenance
• Complete vehicle maintenance

Engine

• Cylinder head
• Oil sump
• Case covers
• Vibration damper
• Pistons with rings and pins
• Drive belt
• Crankshaft
• Rocker arm with bearing
• Valves with springs
• Oil supply
• Oil pump
• Oil filters and lines
• Coolant pump
• Thermostat and engine-proof coolant lines
• Intake manifold
• Exhaust manifold
• Charger
• Vacuum pump
• Exhaust-gas recirculation

Engine electrical system

• Electronic shift units or control units
• Glow plugs
• Alternator with drive and mounting parts
• Electrical machines
• Control of hybrid / E-drive
• Starter motor
• Starter line
• Engine wiring harness
• Oil pressure, oil temperature
• Switches and relays
• Control unit box

Fuel preparation and control

• Fuel pump
• Fuel filter
• Injection pump
• Fuel injector nozzles and lines
• Throttle valve and operation
• Electronic control unit
• Senders for control unit
• Intake silencer
• Air filter

Fuel supply

• Fuel tank
• Lines
• Delivery, preparation and content measurement, control units
• Selective catalytic reduction technology

Cooling

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

Exhaust system

• Rear and front silencer, diesel fuel
• Exhaust pipe with suspension
• Exhaust manifold with integrated catalytic converter

Engine and transmission mounting

Manual gearbox

Automatic transmission

• Transmission case, oil sump
• Electro-hydraulic control parts and elements
• Shift valves, parking lock

Propeller shaft

• Single or multiple part propeller shaft
• Centre console

Front axle, front suspension

• Front axle in general
• Front axle suspension
• Front axle support
• Wishbones and struts including rubber mounts
• Wheel bearings and steering knuckle
• Spring struts
• Spring with mounting
• Output shaft

Steering and wheel alignment

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

Rear axle, rear-wheel drive, guide

• Rear axle final drive
• Transmission housing with lid
• Rear axle differential mountings
• Output Shaft
• Rear axle support
• Trailing arms and struts
• Rear axle suspension
• Active rear axle kinematics
• Wheel bearings
• Shock absorbers
• Springs with suspension
• Anti-roll bar
• Dynamic performance control

Brakes

• 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

Pedals

Wheels with tyres

• Wheels
• Disc wheels
• Tyres
• Wheels with tyres

Integrated suspension systems

• Control and suspension elements, front
• Control and suspension elements, rear
• Electric components

Body

• Support
• Floor panels
• Partition walls
• 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
• Engine compartment lid
• 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, front
• Door locks, handles, fittings, rear
• Bonnet catch, locks
• Tailgate catch, locks
• Front and rear window
• Power windows
• Side window
• Trim panel
• Headlining
• Trim, instrument trim panel
• Front panel
• Gaskets and loose body components
• Seals
• Seats

General vehicle electrical system

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

Instruments

• Instrument cluster
• Head-Up Display

Lights

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

Heating and air conditioning

• Heater and controls
• Auxiliary heating
• Microfilter
• Air conditioning
• Compressor
• Condenser and dryer with lines

Audio, navigation, information systems

• Radio, audio amplifier, headunit
• Speaker and cover
• Aerial, interference suppression filter
• Pedestrian protection
• Alarm system
• Airbag control units, airbag sensors

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
• Distance system, cruise control, remote operation

Body parts and accessories

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

Communication systems

• Combox, TCB, USB hub, telephone
• Hands-free system (microphone, speaker)
• Aerials, Bluetooth aerial

Paint

Service information

Tightening torques

Vehicle technical diagnosis

Fault elimination

Special tools

Technical data

Repair hint

Operating fluids

Customers reviews