engine BMW Z4 SDRIVE28I 2012 Repair Manual

12CauseHow to respondParking brake malfunctioning.
Not functional while vehicle is stationary.Secure vehicle against rolling
when parked. Have the system
checked immediately.Parking brake failedSecure vehicle against rolling
when parked. Have the system
checked immediately.Indication in Canadian modelsLights up in red:The parking brake is set.Release the parking brake.Lights up in yellow:Parking brake malfunctioning.Have the system checked imme‐
diately.Parking brake malfunctioning.
Emergency braking with the parking brake not
possible.Have the system checked imme‐
diately.Parking brake malfunctioning.
Not functional while vehicle is stationary.Secure vehicle against rolling
when parked. Have the system
checked immediately.Parking brake failedSecure vehicle against rolling
when parked. Have the system
checked immediately.External temperature warningDrive conservatively, refer to
page 60.Lights up briefly:
Approx. 2.1 US gal/8 liters of fuel remain in the
tank.
Remains on:
The remaining range is no more than 30 miles/
50 km, refer to page 61.The engine refuses to start.Depress the brake or clutch to
start the engine, refer to
page 46.Seite 187Indicator/warning lampsMobility187
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12CauseHow to respondThe cargo area partition is not in the lower‐
most position.Press down the cargo area parti‐
tion until it engages on both
sides.Roof activation only possible while vehicle is
stationary.The vehicle is not level; roof activation is not
possible.Move the vehicle to a level sur‐
face.The trunk lid is open.The fuel cap is missing or loose.Make sure that the fuel cap is
correctly positioned and close it
until it clicks audibly. Do not jam
the strap between the fuel cap
and the vehicle.The windshield washer fluid level is too low.Add washer fluid as soon as pos‐
sible, refer to page 52.Lights up in red:Service is due.Arrange a service appointment.
Check the service requirements,
refer to page 65.Lights up in yellow:The engine will start the next time the Start/
Stop button is touched, possibly without the
brake or clutch being depressedThe remote control is malfunctioning or, in
cars with Comfort Access, was not detected.The engine cannot be started.
Have the remote control
checked, if necessary.The battery in the remote control is dis‐
charged.Use the remote control for a lon‐
ger journey or, in cars with Com‐
fort Access, replace the battery.The belt tensioners and/or airbag system has
failed.Have the system checked imme‐
diately.Seite 189Indicator/warning lampsMobility189
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12CauseHow to respondLights up:The Assist system has failed or is malfunc‐
tioning.Have the system checked as
soon as possible.Lights up in red:Engine malfunctionStop the car and switch off the
engine. You cannot continue
your journey. Contact your serv‐
ice center.Lights up in yellow:Full engine power is no longer available.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the en‐
gine checked as soon as possi‐
ble.Indication in US models:Warning lamp flashes:Engine malfunction under high load. High en‐
gine load will result in damage to the catalytic
converter.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the ve‐
hicle checked immediately.Warning lamp comes on:Engine malfunction with an adverse effect on
exhaust emissions.Have the vehicle checked as
soon as possible.Indication in Canadian models:Warning lamp flashes:Engine malfunction under high load. High en‐
gine load will result in damage to the catalytic
converter.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the ve‐
hicle checked immediately.Warning lamp comes on:Seite 190MobilityIndicator/warning lamps190
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12CauseHow to respondEngine malfunction with an adverse effect on
exhaust emissions.Have the vehicle checked as
soon as possible.Lights up in red:The engine is overheating.Carefully bring the car to a stop,
switch off the engine and allow it
to cool down. Do not open the
hood; otherwise, there would be
a risk of injury due to scalding.
Contact your service center.Lights up in yellow:The engine is too hot.Continue driving at more moder‐
ate speed so that the engine can
cool down. Have the engine
checked without delay if the sit‐
uation reoccurs.Lights up in red:Battery is no longer being charged. Alternator
malfunction.Switch off all unnecessary elec‐
trical consumers. Have the
power supply system checked
without delay.Lights up in yellow:The battery charge level is very low, the bat‐
tery is old or is not securely connected.Have the battery checked as
soon as possible.Indication in US models
The parking brake is set.Indication in Canadian models
The parking brake is set.Indication in US modelsLights up in red:The brake fluid level is too low.Reduced braking effect, stop the
car carefully. Contact your serv‐
ice center.Seite 191Indicator/warning lampsMobility191
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12CauseHow to respondIndication in Canadian modelsBrake pads worn.Have the condition of the brake
pads checked without delay.Lights up in red:Have the system in question
checked immediately.The starter has failed.The engine cannot be restarted.Ignition malfunctioning. The engine can only
be restarted when the brake is depressed.Depress the brake to restart the
engine.Lighting system failed. Low beams/tail lamps
and brake lights still operational. All other
lamps failed.Lights up in yellow:Brake light control failed.
The fuel supply is malfunctioning.
Drive malfunctioning.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the sys‐
tem in question checked imme‐
diately.Flashing:
Dynamic Stability Control DSC or Dynamic
Traction Control DTC is controlling drive and
braking forces, refer to page 81.Dynamic Traction Control DTC is activated,
refer to page 82.Dynamic Stability Control DSC and Dynamic
Traction Control DTC are deactivated, refer to
page 81.Driving stability limited during
acceleration and cornering.
Driving style must be readjusted.The suspension control system has failed, re‐
fer to page 81.Driving stability limited during
acceleration and cornering.
You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the sys‐
tem checked as soon as possi‐
ble.Seite 193Indicator/warning lampsMobility193
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12CauseHow to respondTire Pressure Monitor not initialized.Check the inflation pressure and
reset the system, refer to
page 78.The small lamp flashes yellow and then stays
on, the large lamp lights up in yellow:Tire Pressure Monitor failed. Punctures are
not indicated.Have the system checked.Disturbance by systems or devices with the
same radio frequency. After leaving the area
of the disturbance, the system automatically
becomes active again.In vehicles with the Tire Pressure Monitor
The small lamp flashes yellow and then stays
on, the large lamp lights up in yellow:Tire Pressure Monitor failed. Punctures are
not indicated.Have the system checked. Ob‐
serve the additional information,
refer to page 79.A wheel without TPM electronics is mounted.Lights up in yellow: transmission malfunctionHave the system checked imme‐
diately.
When parking the vehicle, set the
parking brake since transmission
position P may be malfunction‐
ing as well.Malfunction in transmission position P.It may be possible to correct the
malfunction by restarting the en‐
gine.The gears that can be selected are restricted.After switching off the engine,
transmission position P is en‐
gaged automatically. It may not
be possible to continue driving.Transmission limp-home program active with
restricted range of gears, possibly with re‐
duced acceleration.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the sys‐
tem checked immediately.Gears can be engaged without depressing the
brake.Always depress the brake to en‐
gage a gear.Seite 196MobilityIndicator/warning lamps196
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12CauseHow to respondLights up in red:The transmission is overheating.Stop the car and engage trans‐
mission position P. Allow the
transmission to cool down. You
can continue your trip at moder‐
ate speeds. Have the system
checked if the situation reoc‐
curs.Lights up in yellow:Manual transmission: the clutch temperature
is too high.Allow the clutch to cool down.
Cooling occurs while the vehicle
is either stationary or moving.
Avoid stop-and-go driving and
driving below walking speed for
lengthy periods. The clutch has
cooled down when this message
disappears. The clutch is not
damaged.The automatic transmission is too hot.Avoid high engine loads. You can
continue your journey, but mod‐
erate your speed and exercise
due caution.Transmission position P is not engaged. The
vehicle is not secured against rolling.The selector lever is malfunctioning.The trip can be continued. Shift
again if necessary. Have the sys‐
tem checked if the situation re‐
occurs.It is possible to engage the gear without de‐
pressing the brake.To change the transmission po‐
sition, always depress the brake.The pinch protection system of the power
windows is malfunctioning.Have the system checked.Seite 197Indicator/warning lampsMobility197
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12CauseHow to respondCruise control deactivated:
The driving stability control systems are ac‐
tive.
The parking brake is set.
The speed dropped below 20 mph/30 km/h.
The engaged gear is not suitable for the speed
being driven.The cruise control system has failed.The trip can be continued. Have
the system checked.The Park Distance Control has failed.Have the system checked.A bulb of the exterior lighting system has
failed.Have the exterior lighting
checked as soon as possible.A low-beam headlamp or front fog lamp has
failed.Have the low beams checked as
soon as possible.A high-beam headlamp has failed.Have the high-beam headlamps
checked.The headlamp beam throw adjustment has
failed.Have the headlamp beam throw
adjustment system checked.The adaptive light control has failed.The coolant level is too low.Add coolant immediately, refer
to page 166.The engine oil pressure is too low.Stop immediately and switch off
the engine. You cannot continue
your journey. Contact your serv‐
ice center.The engine oil level is too low.Add engine oil immediately, refer
to page 165.Lights up in red:Seite 198MobilityIndicator/warning lamps198
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12CauseHow to respondThe service appointment is overdue.Arrange a service appointment.
Check the service requirements,
refer to page 65.Lights up in yellow:Service is due.Arrange a service appointment.
Check the service requirements,
refer to page 65.No service due.Check the service requirements,
refer to page 65.The time and date are no longer correct.Set the time and date, refer to
page 64.Steering assistance has failed.
Markedly different steering response.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the sys‐
tem checked as soon as possi‐
ble.Damping control is malfunctioning or has
failed.
Driving comfort is impaired.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the sys‐
tem checked as soon as possi‐
ble.The engine was switched off by the Auto Start/
Stop function.To start the engine: press on the
clutch pedal, refer to page 48.The Automatic Engine Start/Stop Function is
deactivated.The Automatic Engine Start/
Stop Function was deactivated
using the button in the center
console, refer to page 48. The
engine will not be switched off or
started automatically. To switch
off/start the engine: press the
Start/Stop button.The Automatic Engine Start/Stop Function
has failed.The engine will not be switched
off or started automatically.
Switch off or start the engine us‐
ing the Start/Stop button. Have
the system checked as soon as
possible.Seite 199Indicator/warning lampsMobility199
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Technical dataVehicle equipment
This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it alsodescribes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
Engine specifications

Z4 sDrive28iDisplacementcu in/cm³122/1,997No. of cylinders4Maximum outputhp241at engine speedrpm5,000Maximum torquelb ft/Nm258/350at engine speedrpm1,500 ‐ 4,800

Z4 sDrive35iDisplacementcu in/cm³182/2,979No. of cylinders6Maximum outputhp300at engine speedrpm5,800Maximum torquelb ft/Nm300/407at engine speedrpm1,400 ‐ 5,000

Z4 sDrive35isDisplacementcu in/cm³182/2,979No. of cylinders6Maximum outputhp335at engine speedrpm5,900Seite 202ReferenceTechnical data202
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