BMW 228i Owner's Manual download pdf (Page 107)

Do not move convertible top

When the rollover protection system is

extended, do not move the convertible top.

Otherwise, damages or injuries may result.◀

If the rollover protection system was not

placed under any stress after an automatic

triggering, it can be pushed back by hand, e.g.

to close the convertible top. The protective

function of the system is then restored.

1. Pull the release lever in the safety frame up

and hold it, arrow 1.

2. Push the safety frame down, arrow 2.

3. Release the release lever only if the safety

frame was pushed back almost completely.

4. Push the safety frame down until it notice‐

ably engages. To do this, the safety frame

must be pressed far into its holder; high

levels of force are required.

Do not bend via the safety frame

Should the safety frame not have

snapped in place when it is released, then

it moves back up with jerking movements.

When it is released, do not bend via the

safety frame; otherwise, there is a risk of

injury with a safety frame that is not en‐

gaged.◀

Slowly reduce pressure on the safety

frame in order to test whether it is latched.

5.

Proceed likewise with the second safety

frame.

Malfunction

A Check Control message is displayed

when there is a malfunction.

Tire Pressure Monitor TPM

The concept

The system monitors tire inflation pressure in

the four mounted tires. The system warns you

if there is a significant loss of pressure in one

or more tires. For this purpose, sensors in the

tire valves measure the tire inflation pressure

and tire temperature.

Hints

Tire damage due to external factors

Sudden tire damage caused by external

circumstances cannot be recognized in ad‐

vance.◀

With use of the system observe further infor‐

mation found under Tire inflation pressure, re‐

fer to page 174.

Functional requirements

The system must have been reset with the

correct tire inflation pressure; otherwise, relia‐

ble signaling of tire inflation pressure loss is

not assured.

Reset the system after each adjustment of the

tire inflation pressure and after every tire or

wheel change.

Always use wheels with TPM electronics to

ensure that the system will operate properly.

Status display

The current status of the Tire Pressure Moni‐

tor TPM can be displayed on the Control Dis‐

play, e.g., whether or not the TPM is active.

1.

"Vehicle info"

2. "Vehicle status"

3. "Tire Pressure Monitor (TPM)"

Seite 103

Safety Controls

103

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