Tyre Loosing Air

[Sohaib-ijiiv]

Hi All,

Got an 07 335i and my front passenger side tyre keeps on deflating to 4psi.

Taken it to a shop and they couldnt find a leak on the tyre or the valve.

No cracks on the alloy either.

Its driving me insane - Anyone got any ideas what it could be?

Thanks

[mmm-five]

A neighbour letting air out every night?

[xjay1337]

Either
puncture
valve
crack
BEAD CORROSION.


try another tyre shop.

[Doofus]

Wheel slightly out of true.
Paint on the inner surface is cracked and possibly corroded.

I had both of these issues recently, on 2 different wheels. Both wheels refurbed and now perfect.

[Elliot2000]

The metal tyre valves they used to use on them wheels would corrode and air would then leak past
Plus they carjack and corrode on the bead rim

Plus it’s not rocket science - a decent tyre shop would be able to find the leak