Technical data
100
Technical data
Engine data 
Z4 2.5iZ4 3.0i
Displacement
Number of cylinderscu in/cmµ152.1/2,494
6181.7/2,979
6
Maximum power output 
at engine speedhp/kW
rpm184/141
6,000225/170
5,900
Maximum torque 
at engine speedlb ft/Nm
rpm181/245
3,500221/300
3,500
Compression ratioε10.5 10.2
Stroke
Borein/mm
in/mm2.95/75
3.31/843.53/89.6
3.31/84
Fuel-injection system Digital electronic engine-management system DME 
         
        
        Reference
At a glance
Controls
Driving tips
Mobility
 105
Battery 91
– disposal 92
– indicator lamp 13, 91
– jump-starting 94
– remote control 17
Belts, refer to Safety 
belts 30
Belt tensioner, refer to 
Safety belts 30
Beverage holders 65
Blower
– air conditioning 59
– automatic climate 
control 62
Blower, refer to Air 
supply 59, 62
BMW 5
Bore, refer to Engine 
data 100
Bottle holders, refer to 
Beverage holders 65
Brake fluid 85
– filling 85
– indicator/warning 
lamp 13, 85
– level 85
Brake force display 53
Brake hydraulic system 85
– indicator/warning 
lamp 13, 69, 85
Brake lamps
– bulb replacement 90
– indicator lamp, defective 
lamp 13
Brake pads 70
– break-in procedures 68
– indicator lamp 70
Brake pad wear indicator
– brake pads 70
– indicator lamp 13
Brake rotors
– brake system 69
– break-in procedures 68
Brakes 69
– ABS 54
– brake fluid 85
– break-in procedures 68
– indicator/warning 
lamps 13, 52, 53, 54
– parking brake 38Brake system 69
– brake fluid level 85
– brake pads 70
– break-in procedures 68
– disc brakes 69
– indicator lamp 13
Breakdown
– Flat Tire Monitor 54
Break-in procedures 68
Bulb replacement, refer to 
Lamps and bulbs 88
Buttons in steering 
wheel 11
C
California Proposition 
65 warning 87
Can holders, refer to 
Beverage holders 65
Capacities 103
Car battery 91
Car care, refer to the Caring 
for your vehicle brochure
Car-care products, refer to 
the Caring for your 
vehicle brochure
Care, refer to the Caring for 
your vehicle brochure
Cargo loading
– vehicle 70
Car keys, refer to Keys 16
Carpet care, refer to the 
Caring for your vehicle 
brochure
Car radio, refer to Owner's 
Manual for Radio
Car telephone, refer to 
Owner's Manual for 
Telephone
Car wash, refer to the 
Caring for your vehicle 
brochure
Catalytic converter, refer to 
High temperatures 69
CD player operation, refer 
to Owner's Manual
for Radio
Center high-mount brake 
lamp
– bulb replacement 90Central locking system 16
– interior 18
Changing a wheel 91
Charge indicator 
lamp 13, 91
Check Gas Cap
– indicator lamp 13
Child-restraint mounting 
system, LATCH 35
Child-restraint systems 33
Child seat, refer to Child-
restraint systems 33
Chrome parts, refer to the 
Caring for your vehicle 
brochure
Cigarette lighter 65
Cigarette lighter socket 65
Cleaning the rear window, 
refer to the Caring for 
your vehicle brochure
Cleaning the vehicle, refer 
to the Caring for your 
vehicle brochure
Cleaning the windshield 44
Clock 49, 50
– 12- or 24-hour mode 50
– refer to Owner's Manual 
for Radio/Onboard 
Computer
– setting 49
Clothes hooks 25
Clutch
– break-in procedures 68
Cockpit 10
Cold start, refer to 
Starting the engine 36
Compact disc operation, 
refer to Owner's Manual 
for Radio
Compartments 64
Compression ratio, refer to 
Engine data 100
Computer 50
– clock, 12- or 24-hour 
mode 50
– refer to Owner's Manual 
for Onboard Computer
Computer, refer to 
Onboard Computer 50
Condensation, refer to Air 
conditioning mode 59, 62