Page 172 of 189
172n
BMW 323i BMW 328i
Displacement
Number of cylinders cu.in. (cmm) 152.2 (2,494)
6170.4 (2,793)
6
Max. output
at engine speed hp (kW)
RPM170 (127)
5,500193 (144)
5,500
Maximum torque
at engine speedlb.ft (Nm)
rpm181 (245)
3,500206 (280)
3,500
Compression ratio
 10.5 10.2
Stroke
Borein. (mm)
in. (mm)2.95 (75)
3.31 (84)3.31 (84)
3.31 (84)
Fuel-injection system Digital-electronic engine-management system 
Engine data  
     
        
        Page 174 of 189
174n
Weights 
BMW 323i BMW 328i
Curb weight (with one person, ready for operation, full tank of fuel, options not included)
with manual transmission
with automatic transmissionlbs (kg)
lbs (kg)3,153 (1,430)
3,213 (1,457)3,197 (1,450)
3,256 (1,477)
Approved gross vehicle weight
with manual transmission
with automatic transmissionlbs (kg)
lbs (kg)4,211 (1,910)
4,255 (1,930)4,270 (1,937)
4,314 (1,957)
Approved front axle weight lbs (kg) 1,962 (890) 1,973 (895)
Approved rear axle weight lbs (kg) 2,348 (1,065) 2,370 (1,075)
Approved roof load capacity lbs (kg) 165 (75) 165 (75)
Luggage compartment capacity  cu. ft. (liters) 14.5 (410) 14.5 (410)
Never exceed either the approved axle weights or the gross vehicle weight. 
     
        
        Page 175 of 189
175n
IndexDataTechnologyRepairsCar careControlsOverview
Capacities 
Notes
Fuel tank 
reserve gal. (liters)
gal. (liters)approx. 16.6 (approx. 63)
approx. 2.1 (approx. 8)Fuel specification: Page 26
Windshield washer system/
Headlamp washer system
*
quarts (liters) approx. 5.6 (approx. 5.3) For details: Page 124
Cooling system including heater circuit quarts (liters) approx. 8.9 (approx. 8.4) For details: Page 128
Engine oil and filter change quarts (liters) approx. 6.9 (approx. 6.5) BMW High Performance 
Synthetic Oil 
For details: Page 126
Manual transmission, automatic transmission 
and differentialÐ Lifetime fluid, no fluid change 
required. 
     
        
        Page 181 of 189

Everything from A to Z
181n
IndexDataTechnologyRepairsCar careControlsOverview
Clock75
refer also to the Radio 
or Onboard Computer 
Owner's Manual
Cockpit16
Coin holder, cup holder93
Combination switch68
Compression172
Computer76
Configure settings53
Consumption77
Consumption display74
Coolant110, 128, 175
antifreeze110
Coolant temperature 
gauge74
Cooling system175
Cornering Brake Control 
(CBC)21, 107
Cruise control71
Cruising range77
Curb weight174DDash lighting82
Dashboard16
Data
dimensions173
engine172
weights174
Daytime-driving lamp 
switch82
Defrost position89Defroster, rear window90
Defrosting the windows89
Digital clock75
Dimensions173
Dipstick125
Disc brakes108
Displacement172
Display lighting82
Displays18
Distance warning78
Diversity Antenna164
Divided rear backrest97
Door key32
Door locks, care110
Doors
child-safety locks56
emergency operation34
unlocking and locking34
Draft-free ventilation90
Driving hints104
Driving in winter110
Driving lamps82
Dynamic Stability Control 
(DSC)22, 79, 163
EElectric power windows44
Electrical accessories, 
failure154
Electrical system176
Electronic vehicle 
immobilizer33
Elements of operation16Emergency operation, 
doors34
Energy Control73
Engine
starting61
Engine compartment122
Engine coolant128, 175
Engine data172
Engine oil
capacity175
consumption125
pressure20
quality126
specifications126
viscosity126
Engine oil level21, 22
check125
Engine speed172
Exterior mirrors52
FFailure messages75
Fault
ABS107
Fault displays75
Filler cap cover26
Filling capacities175
Filling the washer 
reservoir175
First aid25
First-aid kit25
Fittings, towing and 
tow-starting158Flashlight92
Flat tire113, 149
Fog lamps83
Folding rear backrest97
Footbrake108
Footwell lamps83
bulb replacement148
Front fog lamps83
bulb replacement145
Front seat-adjustment47
Frost protection, 
radiator128
Fuel26
fuel injection172
Fuel consumption77
Fuel consumption 
display74
Fuel filler door
releasing following an 
electrical malfunction156
Fuel gauge74
Fuel quality26
Fuel reserve indicator 
lamp74
Fuel tank capacity175
Fuel tank gauge74
Functional status168
Fuses154
GGasoline26
Gasoline gauge74
Glove compartment92 
     
        
        Page 183 of 189

Everything from A to Z
183n
IndexDataTechnologyRepairsCar careControlsOverview
OOBD interface socket139
Obstruction protection44
Odometer73
Oil
capacity175
consumption125
dipstick125
quality126
specifications126
viscosity126
Oil additives125
Oil change intervals, see the 
Service and Warranty 
Information Booklet
Oil filter change175
Oil level
check125
indicator lamp20
Oil pressure, indicator 
lamp20
OILSERVICE74
Onboard computer76
Onboard tool kit142
Outside temperature 
display76PPaint blemishes133
Paint, care133
Paintwork, minor 
repairs134Paintwork, waxing134
Park Distance Control 
(PDC)78
Parking brake63
Parking help78
Parking lamps83
Parking, winter111
PDC (Park Distance 
Control)78
Performance172
Pocket flashlight92
Pollen90
Power seat49
Power steering111
Power windows44
safety switch45
Pressure monitoring, 
tires80, 167
Pressure, tires27, 113
RRadiator175
Radio
refer to the separate 
Owner's Manual
Radio Data System 
(RDS)164
Radio reception112, 164
Rain sensor69, 166
RDC (Tire Pressure 
Control)80, 167
RDS (Radio Data 
System)164Reading lamps84
Rear backrest, folding97
Rear lamps145
Rear window 
defroster70, 90
Rearview mirror52
Reclining seat47
Refueling26
Remote control35
Removing condensation, 
windows89
Replacement key32
Reporting safety defects7
Restraint system59
Reverse17, 64
Roller blind, sun 
protection91
Roller sun blind91
Roof load capacity174
Roof-mounted luggage 
rack100
Rubber parts110
SSafety belt tensioner164
Safety belts54
height adjustment54
Safety feature44
Safety lock buttons38
Seat
mechanical47
power49
Seat adjustment47Seat heating91
Seat memory50
Securing cargo99
Securing loads99
Selector lever, automatic 
transmission65
Self-defrosting mirrors52
Self-diagnostics168
Service and Warranty 
Information Booklet131
Service Interval 
Display74, 131
Shiftlock65
Side airbags56
Side impact Head Protection 
System56
Side lamps82
bulb replacement144
Ski bag98
Skid control111
Sliding/Tilt sunroof45
closing following an 
electrical malfunction156
convenience operation34
Slippery roads110
Snow chains110, 118
Space-saver spare tire149
Spare key32
Spare tire149
Spare wheel149
Spark plugs176
Speaker95
Speed control71 
     
        
        Page 186 of 189

Owner service proceduresAActivated-charcoal filter, 
changing155
Adding brake fluid129
Adding engine coolant128
Adding engine oil125BBackup lamps
bulb replacement145
Battery
add distilled water153
charging154
Brake lamps
bulb replacement145
Brakes, brake faults109CChanging a tire149
Changing a wheel149
Check Control75
Checking air pressure27
Checking engine oil 
level125
Checking oil level125DDefrosting the windows89
Difficult steering111
Doors, emergency 
operation34
EElectrical accessories, 
failure154
Electrical malfunction
fuel filler door156
sliding/tilt sunroof156
Emergency operation
doors34
fuel filler door156
sliding/tilt sunroof156
Engine oil
add125
quality126
specifications126
viscosity126FFailure messages75
Fault displays75
First aid25
First-aid kit25
Fittings, towing and 
tow-starting158
Flat tire149
Footwell lamps
bulb replacement148
Front fog lamps
bulb replacement145
Fuses, replacing154GGlove compartment lamp
bulb replacement148
HHazard warning flashers25
Hazard warning triangle25
Headlamp cover, care143
High beams
bulb replacement143IIndicator lamps20
Inflated pressure27, 113
Interior lamps
bulb replacement147
Interior motion sensor, 
switching off43JJack149LLicense plate lamp
bulb replacement147
Low beams
bulb replacement143
Lug wrench149
Luggage compartment 
lamps
bulb replacement148
Luggage compartment lid, 
emergency release39
MMaintenance131
Malfunction displays75
Microfilter, changing155OOil
quality126
specifications126
viscosity126
Onboard tool kit142PPressure, tires27RRear lamps145
Releasing the fuel filler door 
following an electrical 
malfunction156
Releasing the hood120
Removing condensation 
from the windows89
Replacement key32
Replacing bulbs142
Replacing lamp bulbs142
Replacing windshield wiper 
blades142
Replacing wiper blades142
Return used batteries154       
Owner service procedures 
     
        
        Page 188 of 189
So that you will have important specifi-
cations available when you stop to 
refuel, we recommend that you supple-
ment this table with data that apply to 
your vehicle. 
Fuel 
Engine oil The space between the two marks on 
the dipstick corresponds to approx. 
1.1 US quarts (1 liter).  Designation
AKI: minimum
AKI: for rated performance
AKI: for enhanced perfor-
mance
Quality
Tire inflation pressure  Summer Winter 
Front Rear Front Rear
4 persons 
5 persons or 4 plus luggageRefueling