engine BMW M3 CONVERTIBLE 2012 Repair Manual

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Giving and receiving assistance
Mobility
5.
Attach the second te rminal clamp of the
minus/– jumper cable to the negative termi-
nal of the battery or to the engine or body
ground of the vehicle to be started.
Starting the engine
1. Start the engine of the donor vehicle and
allow it to run for a fe w minutes at slightly
increased idle speed.
2. Start the engine on the other vehicle in the
usual way.
If the first start attempt is not successful,
wait a few minutes be fore another attempt
in order to allow the discharged battery to
recharge.
3. Let the engines run for a few minutes.
4. Disconnect the jumper cables by reversing
the above connecting sequence.
If necessary, have th e battery checked and
recharged.
Never use spray fluids to start the
engine. <
Tow-starting, towing away
Observe the applicable laws and regula-
tions for tow-starting and towing vehi-
cles. <
Do not transport any passengers other
than the driver in a vehicle that is being
towed. <
Using a tow fitting
The screw-in tow fitting must always be carried
in the car. It can be sc rewed in at the front or
rear of the BMW.
Coupe: it is stored in the onboard vehicle tool kit
underneath the cover on the right-hand side of
the cargo area, refer to page 208.
Convertible: it is stored in the onboard vehicle
tool kit underneath the ca rgo area floor, refer to
page 208. Use only the tow fitting provided with the
vehicle and screw it all the way in. Use the
tow fitting for towing on paved roads only. Avoid
lateral loading of the tow fitting, e.g. do not lift
the vehicle by the tow fitting. Otherwise, the
tow fitting and the vehicle could be damaged. <
Access to screw thread
Release the cover panel in the bumper:
Press on the upper part of the cover panel.
Front
Rear
Being towed
Make sure that the ignition is switched on,
refer to page57; otherwise, the low-beam
headlamps, tail lamps, turn signal indicators and
windshield wipers may be unavailable.
Power steering assistance is not available when
the engine is not running. Thus, braking and
steering will require in creased effort. Active
steering is not active an d it will be necessary to
turn the steering wheel further. <
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Giving and receiving assistance
Mobility
Do not tow the vehicle wi
th just the rear axle
raised as this may caus e the steering to turn.
With a tow truck: vehicle with xDrive
Do not tow a BMW with xDrive with just
the front or rear axle raised; otherwise, the
wheels could lock up and the transfer case
could be damaged. <
Have the BMW transported on a flatbed surface
only.
Tow-starting
Avoid tow-starting the vehicle whenever possi-
ble; instead, jump-start the engine, refer to
page 216Vehicles with a catalytic converter
should only be tow-star ted when the engine is
cold; vehicles with an automatic transmission or
Sport automatic transmission with double
clutch cannot be tow-started at all.
1. Switch on hazard warning flashers, comply
with local regulations.
2. Switch on the ignition, refer to page 57.
3. Shift into 3rd gear.
4. Have the vehicle tow-st arted with the clutch
depressed and slowly release the clutch.
After the engine starts, immediately
depress the clutch completely again.
5. Stop at a suitable location, remove the tow
bar or rope and switch off the hazard warn-
ing flashers.
6. Have the vehicle checked.
With xDrive: do not activate Hill Descent
Control HDC when the vehicle is being
tow-started, page 92.<
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Indicator and warning lamps
Mobility
Lights up briefly:
Approx. 2.1 US gal/8 liters of fuel
remain in the tank
Remains on:
Remaining operating range is no more
than 30 miles/50 km, refer to page
79
Engine refuses to start Depress th e brake or clutch in order to
start the engine , refer to page58.
Ignition switched on and driver's door
open Switch off the ignition, refer to page
57,
or close the driver's door.
The desired function cannot currently
be carried out
Parking lamps still on Switch off the parking lamps, refer to
page 103.
Roadside parking lamps still on Switch off the roadside parking lamps,
refer to page 105.
Door open
Engine compartment lid open
Lights up in red:
Backrest of driver's seat or front pas-
senger seat not locked Lock the backrest; otherwise, the safety
belt will not provide protection in the
event of an accident.
Lights up in yellow:
Seat backrest monitor malfunctioning Engage the seat backrest. Have it
checked by your nearest BMW center.
12Cause What to do
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MobilityIndicator and warning lamps
Lights up in red:
Roof activation system failure Roof cannot be moved. If the retract-
able hardtop does not lock, contact
your nearest BMW center.
Roof activation system malfunctioni ng Roof movement incomplete. Please
check if the roof is blocked, then press
or pull the switch again.
Lights up in yellow:
Roof drive overheated Roof activation temporarily limited to closing only.
Cargo area partition not in lowermost
position Press down the cargo area partition
until it engages on both sides.
Vehicle not level, ro of activation not
possible Move the vehicle to a level surface.
Rollover protection system malfunc-
tioning Have the rollover protection system
checked by the nearest BMW center.
Trunk lid open
Fuel cap is open Make sure that the fuel cap is correctly positioned and close it until it audibly
clicks. Do not jam the strap between the
fuel cap and the vehicle.
Windshield washer fluid level too low Add washer fluid as soon as possible, refer to page69.
Lights up in red:
Service due Arrange a service appointment. Check service requirements, refer to
page84.
Lights up in yellow:
The engine will start the next time the
Start/Stop button is briefly pressed,
possibly without the brake or clutch
being depressed
Remote control malfunctioning or, in
cars with Comfort Access, not
detected The engine cannot be started. Have the
remote control checked, if necessary.
Battery in remote co ntrol discharged Use the remote control for a longer jour-
ney or, in cars with Comfort Access,
replace the battery.
12Cause What to do
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Indicator and warning lamps
Mobility
Belt tensioners and/or airbag system
failed
Have the system checked immediately.
Active steering defective You can continue your journey.
Steering characteristics are modified
and steering wheel could be off-center.
Steer carefully.
Have the system checked as soon as
possible.
Steering assistance failed Markedl y different steering response.
You can continue your journey, but
moderate your speed and exercise due
caution.
Have the system checked as soon as
possible.
Lights up:
Emergency Request system has failed
or is malfunctioning Have the system checked as soon as
possible.
Lights up in red:
Engine malfunction Stop the ca r and switch off the engine.
You cannot continue your journey. Con-
tact your BMW center.
Lights up in yellow:
Full engine power is no longer availabl e You can continue your journey, but
moderate your speed and exercise due
caution. Have the engine checked as
soon as possible.
Indication in US models:
Warning lamp flashes:
Engine malfunction under high load.
High engine load will result in damage
to the catalytic converter You can continue your journey, but
moderate your speed and exercise due
caution. Have the vehicle checked with-
out delay.
Warning lamp lights up:
Engine malfunction with adverse effect
on emissions Have the car checked as soon as possi-
ble.
12Cause What to do
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MobilityIndicator and warning lamps
Indication in Canadian models:
Warning lamp flashes:
Engine malfunction under high load.
High engine load w ill result in damage
to the catalytic converter You can continue your journey, but
moderate your speed and exercise due
caution. Have the vehicle checked with-
out delay.
Warning lamp lights up:
Engine malfunction wi th adverse effect
on emissions Have the car checked as soon as possi-
ble.
Lights up in red:
Engine overheating Carefully br ing the car to a stop, switch
off the engine and allo w it to cool down.
Do not open the hood; otherwise, there
is a risk of injury from scalding. Contact
your BMW center.
Lights up in yellow:
Engine too hot Continue dr iving at more moderate
speed so that the engine can cool
down. Have the engine checked with-
out delay if the situation reoccurs.
Lights up in red:
Battery is no longer being charged.
Alternator malfunction Switch off all unnecessary electrical
consumers. Have the power supply
system checked without delay.
Lights up in yellow:
Battery charge level very low, battery
aged or not securely connected Have the battery ch
ecked as soon as
possible.
Indication in US models
Parking brake applied
Indication in Canadian models
Parking brake applied
Indication in US models
Lights up in red:
Brake fluid level too low Braking action is reduced, stop with
care. Contact your BMW center.
12Cause What to do
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Indicator and warning lamps
Mobility
Indication in Canadian models
Lights up in red:
Brake fluid level too low Braking action is reduced, stop with
care. Contact your BMW center.
Indication in US models
Brake pads worn Have the condition of the brake pads checked without delay.
Indication in Canadian models
Brake pads worn Have the condition of the brake pads checked without delay.
Lights up in red: Have the system in question checked without delay.
> Starter failed or The engine cannot be restarted.
> Ignition malfunctioning. Engine
restart only possible when brake is
depressed or
> Lighting system failed. Low beams/
tail lamps and brake lamps still
operational. All other lamps failed Depress the brake to restart the engine.
Lights up in yellow:
> Control of the brake lamps failed or
> Fuel supply malfunctioningDrive
unit malfunction You can continue your journey, but
moderate your speed and exercise due
caution. Have the system in question
checked without delay.
Flashing:
Dynamic Stability Control DSC or
Dynamic Traction Control DTC is con-
trolling drive and braking forces, also
refer to page 91
Dynamic Traction Control DTC acti-
vated, also refer to page 91
Dynamic Stability Control DSC and
Dynamic Traction Control DTC deacti-
vated, also refer to page 91Driving stability limited during accelera-
tion and cornering.
Driving style must be readjusted.
Suspension control system failed, also
refer to page 90 Driving stability limited during accelera-
tion and cornering.
You can continue your journey, but
moderate your speed and exercise due
caution. Have the system checked as
soon as possible.
12Cause What to do
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Indicator and warning lamps
Mobility
Lights up in red:
>
Transmission limp-home program
active with restricted range of
gears, possibly with reduced accel-
eration You can continue your journey, but
moderate your speed and exercise due
caution. Have the system checked
without delay.
> Gears can be engaged without
depressing the brake Always depress the brake to engage a
gear.
Lights up in yellow:
> Transmission limp-home program
active with restricted range of gears You can continue your journey, but
moderate your speed and exercise due
caution. Have the system checked
without delay.
> Automatic selector lever locked:
Selector lever locked in position P
with engine running or ignition
switched on and brake depressed Overriding selector lever lock, refer to
page
62.
> Selector lever position P malfunc-
tioning:
Selector lever locked in position P
with engine running or ignition
switched on and brake depressed Release parking lock, refer to page
65.
Have the system checked as soon as
possible.
> Brake signal malfunctioning: gear
can be engaged without depress-
ing the brake To engage a gear while the vehicle is at
a standstill, always step on the brake.
Before leaving the
vehicle, engage P
and switch off the engine.
Lights up in red:
Transmission overheating Bring the car to a stop and engage P.
Allow the transmission to cool down.
You can continue your journey, but
moderate your speed and exercise due
caution. Have the system checked if the
situation reoccurs.
Lights up in yellow:
Transmission too hot Avoid high engine loads. You can con-
tinue your journey, but moderate your
speed and exercise due caution.
P is not engaged. Vehicle not pre-
vented from rolling
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MobilityIndicator and warning lamps
Selector lever positi on P not engaged.
Ignition cannot be switched off Engage selector lever position P when
you wish to switch o
ff the ignition, refer
to page 57.
Selector lever malfunctioning You ca n continue your journey. Shift
again if necessary. Have the system
checked if the situation reoccurs.
Brake signal malfunctioning: gear can
be engaged without depressing the
brake To engage a gear while the vehicle is at
a standstill, always step on the brake.
Switch off the engine before leaving the
vehicle. Have the system checked as
soon as possible.
Pinch protection system of the power
windows malfunctioning Have the system checked.
Pinch protection system of the electric
glass roof malfunctioning Have the system checked.
Cruise control deactivated:
> Driving stability control systems are
active or
> parking brake is applied or
> the vehicle has not achieved a
speed of 20 mph or 30 km/h or
> engaged gear is not suitable for the
speed being driven
Cruise control system failed You ca n continue your journey. Have
the system checked.
Active Cruise Co ntrol deactivated:
> Driving stability control systems are
active or
> parking brake is applied or
> the vehicle has not achieved a
speed of 20 mph or 30 km/h or
> engaged gear is not suitable for the
speed being driven or Keep a safe distance.
> Radar sensor dirty Clean the radar sensor, refer to
page75.
Active Cruise Control fa iled Keep a safe distance.
Have the system checked.
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Indicator and warning lamps
Mobility
Park Distance Control faile
d Have the system checked.
> High-beam Assistant inactive Clean the sensor field on the front of the
interior rearview mirror, refer to
page 106.
> High-beam Assistant malfunction-
ing Have the system checked by the near-
est BMW center.
> Sensitivity of the High-beam Assis-
tant has been changed There is a risk that oncoming traffic may
be blinded. Have the system checked
by the nearest BMW center.
Bulb of exterior lighting system failed Have the exterior lighting checked as soon as possible.
Low-beam headlamp or fo g lamp failed Have the low beams checked as soon
as possible.
High-beam headlamp failed Hav e the high-beam headlamps
checked.
Adaptive Light Control failed
Coolant level too low Add coolant immediately, refer to page200.
Engine oil pressure too low Stop immediately and switch off the
engine. You cannot co ntinue your jour-
ney. Contact your BMW center.
Engine oil level too low Add engi ne oil immediately; refer to
page 198 for more information.
Lights up in red:
Service appointment overdue Arr ange a service appointment.
Check service requirements, refer to
page 84.
Lights up in yellow:
Service due Arrange a service appointment.
Check service requirements, refer to
page 84.
No service due Check servic e requirements, refer to
page 84.
Time and date no longer correct Set the time and date, refer to page86.
12Cause What to do
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