
RefuelingVehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐
ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
Hints Refuel promptly
Refuel no later than at a range of
30 miles/50 km, or operation of the engine is
not ensured and damage may occur.◀
Diesel engines The filler neck is designed for refueling at die‐
sel fuel pumps.
Fuel cap
Opening1.Briefly press the rear edge of the fuel filler
flap.2.Turn the fuel cap counterclockwise.3.Place the fuel cap in the bracket attached
to the fuel filler flap.
Closing
1.Fit the cap and turn it clockwise until you
clearly hear a click.2.Close the fuel filler flap.
Do not pinch the retaining strap
Do not pinch the retaining strap attached
to the cap; otherwise, the cap cannot be
closed properly and fuel vapors can escape.◀
Manually unlocking fuel filler flap In the event of an electrical malfunction, for ex‐
ample.
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1.Open the cover on the right side trim. To
do this, turn the cap.2.Pull the green knob with the fuel pump
symbol. This releases the fuel filler flap.
Observe the following when
refueling
The fuel tank is full when the filler nozzle clicks
off the first time.
Do not overfill the fuel tank
Do not overfill the fuel tank; otherwise
fuel may escape, causing harm to the environ‐
ment and damaging the vehicle.◀
Handling fuels
Obey safety regulations posted at the
gas station.◀
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Refill in good time
The reducing agent must be replenished
as soon as the Reserve display appears, other‐
wise the engine cannot be restarted.◀
Diesel exhaust fluid on minimum The engine will continue to runeven when the display shows --,
as long as it is not switched off
and all other operating condi‐
tions are satisfied, sufficient fuel
for example.
Engine does not start
Do not continue driving to the limit of the
remaining travel distance. Otherwise, you will
not be able to restart the engine after switch‐
ing it off.◀
Misfueling A Check Control message is displayed when
an incorrect fluid is added.
After adding the wrong fluid, contact your
service center.
System defect
A Check Control message is displayed when
there is a system defect.
Have the diesel exhaust fluid
replenished
The reducing agent is added by the service
center within the context of regular mainte‐
nance.
It may be necessary to have the fluid replen‐
ished several times under particular circum‐
stances, for example, if the vehicle is driven in
a particularly sporty style or if it is driven at
high altitudes.
The reducing agent must be replenished as
soon as the reserve display appears in the in‐
strument cluster to avoid not being able to re‐
start the engine.Diesel exhaust fluid at low
temperatures
Due to its physical properties, it is possible
that the reducing agent may also need to be
replenished between regular maintenance ap‐
pointments if it is exposed to temperatures un‐
der + 23 ℉/- 5 ℃. In this case, add reducing
agent only immediately before starting to drive.
The need to replenish it is indicated by the Re‐
serve display in the instrument cluster.
At temperatures below + 12 ℉/- 11 ℃ the fill
level in some cases cannot be measured.
After adding reducing agent, the reserve dis‐
play is displayed only until the fill level can be
measured again.
Replenishing Diesel exhaust fluid
yourself in exceptional cases
You can replenish reducing agent yourself in
exceptional cases, e.g., to get to the service
center.
Avoid contact with Diesel exhaust fluid
Do not come into contact with the reduc‐
ing agent. Otherwise, skin or eye irritations
may result.◀
Handling Diesel exhaust fluid
When working with reducing agent in
closed spaces, ensure good ventilation. When
the bottle or container is opened, acrid smell‐
ing fumes may escape.◀
Keeping Diesel exhaust fluid out of reach
of children
Keep reducing agent out of reach of children◀
Avoid contact with surfaces
Avoid contact of reducing agent with sur‐
faces of the vehicle. Damage could result.◀
Suitable Diesel exhaust fluid▷Preferred: BMW Diesel Exhaust Fluid. With
this bottle and its special adapter, DieselSeite 182MobilityFuel182
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exhaust fluid can be replenished simply
and safely.▷Alternative: NOx reduction agent AUS 32
Diesel exhaust fluid can be purchased at your
Service Center.
Refill quantity
When the Reserve display starts, add at least 2
bottles of reducing agent.
This corresponds to approx. 1 gallon.
Tank for reducing agent
The tank for the reducing agent is located next
to the fuel tank.
Adding the reducing agent Add the reducing agent when the ignition is
switched on.
1.Open the fuel filler flap, refer to page  178.2.Turn the fuel cap counterclockwise and re‐
move.3.Place the bottle on it and turn it as far as it
will go, see arrow.4.Press the bottle down, see arrow.The vehicle tank will be filled.
The tank is full when the fill level in the bot‐
tle no longer changes. It is not possible to
overfill.5.Pull back the bottle, see arrow, and un‐
screw it.6.Replace the fuel cap and turn it clockwise.7.Close the fuel filler flap.
After adding Diesel exhaust fluid
Note Incorrect fluids
After filling with incorrect fluids, such as
antifreeze for washer water, do not start the
engine, otherwise there is risk of fire.◀
Contact your service center.
Disposing of bottles You take your empty Diesel exhaust
fluid bottles to your Service Center for
disposal.
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Capacities 
US gal/litersNotesFuel tankGasoline: 15.8/60
Diesel: 15/57
Fuel quality, refer to
page 180
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328d xDriveApproved rear axle loadlbs/kg2,525/1,145Approved roof load capacitylbs/kg165/75Cargo area capacitycu ft/l16.9/480 

Engine oil types, alterna‐tive  200 
Engine oil types, ap‐ proved  200 
Engine start during malfunc‐ tion  33 
Engine start, jump-start‐ ing  216  
Engine start, refer to Starting the engine  62 
Engine stop  62 
Engine temperature  78 
Entering a car wash  221 
Equipment, interior  148 
ESP Electronic Stability Pro‐ gram, refer to DSC  114 
Exchanging wheels/tires  193 
Exhaust system  163 
Exterior mirror, automatic dimming feature  55 
Exterior mirrors  54 
External start  216 
External temperature dis‐ play  79 
External temperature warn‐ ing  79 
Eyes for securing cargo  166 
F
Failure message, refer to Check Control  76 
False alarm, refer to Uninten‐ tional alarm  43 
Fan, refer to Air flow  142, 146  
Fault displays, refer to Check Control  76 
Filler neck for engine oil  199 
Fine wood, care  223 
First aid kit  216 
Fitting for towing, refer to Tow fitting  219 
Flat tire, changing wheels  212 
Flat Tire Monitor FTM  100 Flat tire, Tire Pressure Moni‐
tor TPM  97 
Flat tire, warning lamp  98, 101  
Flooding  163 
Floor carpet, care  224 
Floor mats, care  224 
Fogged up windows  142 
Fold down the rear seat back‐ rest, see Though-loading
system  154 
Fold-out position, windshield wipers  68 
Foot brake  163 
Front airbags  94 
Front fog lamps  92 
Front fog lamps, bulb replace‐ ment  209 
Front lamps  205 
Front passenger airbags, au‐ tomatic deactivation  96 
Front passenger airbags, indi‐ cator lamp  96 
FTM Flat Tire Monitor  100 
Fuel  180 
Fuel cap  178 
Fuel consumption, current  80 
Fuel consumption, refer to Average fuel consump‐
tion  84 
Fuel filler flap  178 
Fuel gauge  78 
Fuel quality  180 
Fuel recommendation  180 
Fuel, tank capacity  231 
Fuse  213 
G
Garage door opener, refer to Universal garage door
opener  148 
Gasoline  180 
Gear change, automatic transmission  70 
Gear shift indicator  81 General driving notes  162 
Glass sunroof, powered  45 
Glove compartment  156 
Gross vehicle weight, ap‐ proved  228 
H
Handbrake, refer to parking brake  65 
Hand-held transmitter, alter‐ nating code  149 
Hazard warning flashers  215 
Head airbags  94 
Headlamp control, auto‐ matic  90 
Headlamp courtesy delay fea‐ ture  89 
Headlamp flasher  66 
Headlamp glass  205 
Headlamps  205 
Headlamps, care  222 
Headlamp washer system  66 
Headliner  15 
Head restraints  47 
Head restraints, front  51 
Head restraints, rear  52 
Head-up Display  87 
Head-up Display, care  224 
Heavy cargo, stowing  166 
Height, vehicle  228 
High-beam Assistant  91 
High beams  66 
High beams/low beams, refer to High-beam Assistant  91 
Hills  164 
Hill start assistant, refer to Drive-off assistant  118 
Hints  6 
Holder for beverages  158 
Homepage  6 
Hood  197 
Horn  12 
Hotel function, trunk lid  38 
Hot exhaust system  163 
HUD Head-up Display  87 Seite 235Everything from A to ZReference235
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PDC Park Distance Con‐trol  128  
Pedestrian warning with city braking function  108 
Personal Profile  33 
Personal Profile, exporting profiles  34 
Personal Profile, importing profiles  35 
Pinch protection system, glass sunroof  45 
Pinch protection system, win‐ dows  44 
Plastic, care  223 
Power failure  213 
Power sunroof, glass  45 
Power windows  43 
Pressure, tire air pres‐ sure  185 
Pressure warning FTM, tires  100 
Profile, refer to Personal Pro‐ file  33 
Programmable memory but‐ tons, iDrive  22 
Protective function, glass sunroof  45 
Protective function, win‐ dows  44 
Push-and-turn switch, refer to Controller  16, 17  
R Radiator fluid  201 
Radio-operated key, refer to Remote control  32 
Radio ready state  62 
Radio, see user's manual for Navigation, Entertainment
and Communication 
Rain sensor  67 
Rear socket  153 
Rear turn signal, bulb replace‐ ment  210 
Rearview camera  130 Rearview mirror  54 
Rear window de‐ froster  142, 146  
Recirculated-air filter  146 
Recirculated-air mode  142, 145  
Recommended fuel grade  180 
Recommended tire brands  194 
Refueling  178 
Remaining range  79 
Remote control/key  32 
Remote control, malfunc‐ tion  36 
Remote control, univer‐ sal  148  
Replacement fuse  213 
Replacing parts  204 
Replacing wheels/tires  193 
Reporting safety defects  9 
RES button  122 
Reserve warning, refer to Range  79 
Reset, Tire Pressure Monitor TPM  98 
Retaining straps, securing cargo  166 
Retreaded tires  194 
Roadside parking lamps  90 
Roller sunblinds  44 
RON recommended fuel grade  180 
Roof load capacity  228 
Roof-mounted luggage rack  167 
Rope for tow-starting/ towing  219 
RSC Run Flat System Com‐ ponent, refer to Run-flat
tires  195 
Rubber components, care  223 
Run-flat tires  195 S
Safe braking  163 
Safety  7 
Safety belt reminder for driv‐ er's seat and front passen‐
ger seat  51 
Safety belts  50 
Safety belts, care  223 
Safety switch, windows  44 
Safety systems, airbags  94 
Saving fuel  168 
Screen, refer to Control Dis‐ play  16 
Screwdriver, see Onboard ve‐ hicle tool kit  204 
Screw thread for tow fit‐ ting  220 
Seat and mirror memory  53 
Seat belts, refer to Safety belts  50 
Seat heating, front  50 
Seat heating, rear  50 
Seating position for chil‐ dren  57 
Seats  47 
Selection list in instrument cluster  83 
Selector lever, automatic transmission  70 
Sensors, care  224 
Service and warranty  8 
Service requirements, Condi‐ tion Based Service
CBS  202 
Service requirements, dis‐ play  80 
Service, Roadside Assis‐ tance  216 
Services, ConnectedDrive 
Settings, locking/unlock‐ ing  41 
Settings on Control Dis‐ play  86 
Settings, storing for seat, mir‐ ror  53 Seite 238ReferenceEverything from A to Z238
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