English – 2
Product description and
specifications
Intended use
The drive unit is intended exclusively for driving your eBike
and must not be used for any other purpose.
In addition to the functions shown here, changes to software
relating to troubleshooting and functional enhancements
may be introduced at any time.
Technical data
Drive unit
Product code
Continuous rated power
W
Torque at drive, max.
Nm
Rated voltage
V=
Operating temperature
°C
Storage temperature
°C
Protection rating
Weight, approx.
kg
The Bosch eBike system uses FreeRTOS (see http://www.freertos.org).
Bicycle lights
A)
Voltage approx.
B)
Maximum power
– Front light
– Tail light
A) Depends on legal regulations, not possible in all country-specific models via the eBike battery
B) When changing the bulbs, ensure that they are compatible with the Bosch eBike system (ask your bicycle dealer) and are suitable for the
specified voltage. Bulbs must only be replaced with bulbs of the same voltage.
Inserting a bulb incorrectly can cause it to blow.
Assembly
Inserting and removing the battery
For inserting and removing the eBike battery in/from the
eBike, please read and observe the battery operating in-
structions.
Checking the speed sensor (see figure A)
The speed sensor (2) and its spoke magnet (3) must be fit-
ted such that the spoke magnet moves past the speed
sensor at a distance of at least 5 mm and at most 17 mm
with each rotation of the wheel.
Note: If the distance between the speed sensor (2) and the
spoke magnet (3) is too small or too large, or if the speed
sensor (2) is not properly connected, the speedometer dis-
play will fail and the eBike drive unit will operate in emer-
gency mode.
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Product features
Individual illustrations in these operating instructions may
differ slightly from the actual conditions depending on the
equipment of your eBike.
The numbering of the components shown refers to the illus-
trations on the graphics pages at the beginning of the
manual.
(1) Drive unit
(2) Speed sensor
(3) Speed sensor spoke magnet
Active Line
Active Line Plus
Performance Line
BDU310
BDU350
250
250
40
50
36
36
−5 to +40
−5 to +40
−10 to +50
−10 to +50
IP 54 (dust- and
IP 54 (dust- and
IP 54 (dust- and
splash-proof)
splash-proof)
3
3.3
V=
W
W
Should this occur, loosen the screw of the spoke magnet (3)
and fasten the spoke magnet to the spoke such that it runs
past the marking on the speed sensor at the correct clear-
ance. If the speed is still not being indicated on the speedo-
meter display after doing this, please contact an authorised
bicycle dealer.
Operation
Start-up
Requirements
The eBike system can only be activated when the following
requirements are met:
– A sufficiently charged battery is inserted (see battery op-
erating instructions).
– The on-board computer is properly inserted in the holder
(see on-board computer operating instructions).
Bosch eBike Systems
– The speed sensor is correctly connected (see "Checking
the speed sensor (see figure A)", page English – 2).
Switching the eBike system on/off
The following options are available for switching on the
eBike system:
– If the on-board computer is already switched on when you
insert it into the holder, the eBike system will be activated
automatically.
– Once the on-board computer and the eBike battery are
fitted, briefly press the on/off button on the on-board
computer.
– With the on-board computer inserted, push the on/off
button on the eBike battery (bicycle manufacturer-spe-
cific solutions are possible when there is no access to the
battery on/off button; see the battery operating instruc-
tions).
BDU365
The drive is activated as soon as you start pedalling (except
250
if you are using the push-assistance function, Switching the
65
push assistance on/off). The motor output depends on the
settings of the assistance level on the on-board computer.
36
As soon as you stop pedalling when in normal operation, or
−5 to +40
as soon as you have reached a speed of 25 km/h, the eBike
−10 to +50
drive switches off the assistance. The drive is automatically
reactivated as soon you start pedalling again and the speed
splash-proof)
is below 25 km/h.
3.5
The following options are available for switching off the
eBike system:
– Press the on/off button of the on-board computer.
– Switch off the eBike battery using its on/off button (bi-
12
cycle manufacturer-specific solutions are possible when
there is no access to the battery on/off button; see the bi-
cycle manufacturer operating instructions).
17.4
– Remove the on-board computer from its holder.
0.6
If the eBike is not moved for approx. 10 min and no button is
pressed on the on-board computer, the eBike system
switches off automatically in order to save energy.
eShift (optional)
eShift is the integration of electronic gear-shifting systems
into the eBike system. The eShift components are electric-
ally connected to the drive unit by the manufacturer. The
separate operating instructions describe how to operate the
electronic gear-shifting systems.
Setting the assistance level
You can set the level at which the eBike drive assists you
while pedalling on the on-board computer. The assistance
level can be changed at any time, even while cycling.
Note: In some models, the assistance level may be preset
and cannot be changed. There may also be fewer assistance
levels available than stated here.
The following assistance levels are available as a maximum:
– OFF: Motor assistance is switched off. The eBike can just
be moved by pedalling, as with a normal bicycle. The
push assistance cannot be activated at this assistance
level.
Bosch eBike Systems
English – 3
– ECO: Effective assistance with maximum efficiency, for
maximum range
– TOUR: Steady assistance, long range for touring
– SPORT/eMTB:
SPORT: Powerful assistance, for mountain biking and
cycling in urban traffic
eMTB: Optimum assistance whatever the terrain, rapid
acceleration when starting from a standstill, improved dy-
namics and top performance (eMTB only available in
combination with the drive units BDU250P CX, BDU365,
BDU450 CX and BDU480 CX. A software update may be
required.)
– TURBO: Maximum assistance even at high pedalling
speeds, for sport cycling
The requested motor output appears on the display of the
on-board computer. The maximum motor output depends on
the selected assistance level.
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