Wheel tyre pressure moniter! help needed
 

My friend had his wheels stolen off his 4.6is, and because of cost he went for replica wheels, but these dont have the cut out for tyre pressure moniter, so this is giving him errors when driving! Has this happened to anyone else? Any advice how to get around this would be great.Without buying new BMW Wheels

Thanks in advance

Copied this from the manual! Maybe this will help you.
Flat Tire Monitor

The concept
The Flat Tire Monitor keeps track of the
inflation pressures in the four fitted tires
as you drive. The system provides an
alert whenever the inflation pressure
drops significantly in relation to the
pressure another tire.
The check of the tire inflation pressure
is based on monitoring the relative
speeds of the wheels. A flat is detected
and reported on the basis of a deviation
in certain speed ratios.
Functional requirement
To ensure reliable operation, the system
should have been initialized with
the correct tire inflation pressure.
System limits
The Flat Tire Monitor cannot indicate
sudden severe tire damage
caused by outside factors and does not
detect a natural, even pressure drop in
all four tires.<
In the following situations, the system
could be delayed or malfunction:
>When driving on snow-covered or
slippery road surfaces
>In the case of performance-oriented
driving: slip on the drive wheels, high
lateral acceleration
>False alarms and undetected loss of
pressure may occur when you are
driving with snow chains fitted.

Initializing system
Perform the initialization immediately
every time you correct the
inflation pressure, change a tire or
change a wheel or all wheels. A drive
is required for this purpose.<
1. Before the start of driving, start the
engine, but do not drive off
2. Press the button until the yellow indicator
lamp in the instrument cluster
lights up for a few seconds
3. Drive off.
It takes a few minutes of driving before
the Flat Tire Monitor can detect and
report a flat tire.
When driving with snow chains,
do not initialize the system.<
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Indication of a flat tire
The warning lamp lights up yellow.
There is a flat tire or extensive
inflation pressure loss.
1. Reduce speed and stop the vehicle
carefully. Avoid sudden braking and
steering maneuvers
2. Identify damaged tire
If identification is not possible,
contact your BMW Sports
Activity Vehicle center.<
3. Replace the damaged wheel,