Rear Tyre Puncture - Internal Patch

Just a few days out tire got punctured by a very fine wire, its very minute but during bubble leak check there are bubbles forming at the puncture point.

Temporarily I use the Puncture repair kit, but then for high speed and prolong usage its best to get it internally fixed. So I drop by Welly in Subang Perdana, Shah Alam for a quick fix.

 Tire was removed, 5 torx screw No. 45 holding it. This bike uses Torx fasterners, so I need to get a set of Torx wrenches handy for my own use.

To get the wheel out, the Exhaust need to be move aside a bit for clearance. The exhaust mounting need to be undo and the pipe clamp loosen as photos below.

 Below is the exhaust pipe clamp which need to be loosen.

Once out can be removed for internal patch.

 This is a 15 inch wheel Pirelli Diablo Scooter fitted as standard for this scooter from BMW.

Care has to be taken during tyre removal due to Tyre Pressure Monitoring Sensor (TPMS) is mounted inside the wheel.

That is the sensor, its made by Schrader Electronics with BMW Part No. 8521791.

This sensor operate as wheel speed reaches 30km/hr, since you don't want it to be powered all the time. Its uses internal battery and has Bluetooth connection to the computer box.

The computer box can pair with 4 wheels, so if you have a set of spare wheels.. it can be paired to the computer once installed.

I need to find out whether the internal battery is replaceable. It look simple enough to replace when needed.

This scooter comes with 2 years unlimited mileage warranty, so the battery should last at least that long. Check with manufacturer website sensor battery should last 100,000 km or around 10 years.. so ok its long enough.

While we are at it, be are few photos of various parts associated with the rear brake. Below the single sided swing arm with tyre removed, showing the rear brake disc.

Normal brake caliper on top and the park brake at the bottom which is activated by the side stand.

Below the side stand activated link toward the park brake caliper. Its a simple cable operated brake, however very ingenious since you only need to deploy the side stand to engage. This way you will never forget to put on or release - Good one BMW.

 That the side stand deployed showing pulling the park brake linkage.

On the side stand, that is the engine kill switch, if its deployed switch will prevent engine from starting or if its running it will be kill.

 Ok that's it for now.. this is an unschedule wheel check due to a punctured rear tyre.