Tyre Pressure Monitoring Systems

Rotty

Rotty

Rotty

Don
Joined
18 Oct 2002
Posts
42,149
Location
Notts
are bloody useless :D

Had it on my last 3 cars ( BMW , Porsche and Jag ) and it's been hopeless on all of them, total mind of it's own

anyone actually think they are any good?
 
The one on the BMW was accurate at detecting punctures that genuinely hadn't been noticed due to the runflats - but that was the poor mans basic ABS speed sensor system rather than the proper tyre pressure monitoring system.
 
The ones on my espace work great for punctures also, even told you if the wheel was slightly out of balance.
Problem was you have to change them with every set of tyres (battery ones) and they are £50 each
 
Cannot really fault them to be honest.
They will flag up a "problem" if I have tyres changed and the person doesn't reset the system.
Other than that I've only had the warning kick in once and indeed pressure on one tyre was well low - puncture found and repaired.
 
breadturbo said:
The ones on my espace work great for punctures also, even told you if the wheel was slightly out of balance.
Problem was you have to change them with every set of tyres (battery ones) and they are £50 each
Click to expand...

I'm sure they are supposed to have a batter life of 10 years.

The cars I have had with it have been faultless. Only had it come on twice once because i didn't reset it after changing pressures and the second time when I had a puncture.
 
The ones on my Audi are fine, can bring up temps, pressures etc (including spare) and it let me know when I had a slow puncture (due to a screw) in one of my tyres. They have to be replaced every 6 or 7 years though as this is how long the internal batteries last and they cost about £130 each.
 
Probably self explanatory, but just make sure you get them balanced with them fitted if you are getting aftermarket ones :)
 
The ones on my bike (BMW K1300) are fine, and accurate to about 0.1 PSI I think. They're supposed to recharge themselves, or so the myth goes on my bike.
 
The ones on my Lexus seem to work fine but they are notorious for breaking when having tyres swapped and or if the valve caps seize on the thread.
 
do many newer cars tell you the pressure of each tyre? or just that one maybe low on the set pressure with the illuminated light on the speedo?. I remember on my old E46 that had the TPS and I had to buy a new sensor for one of the wheels because it broke I thought it was crap at the time because it didn't identify which tyre was low.
 
Our mini has runflats which I haven't been that impressed with so far but we actually used them the other day when the front right was flat.

The handling wasn't as good but the only way I could confidently tell was when I had the window open and hear the tell tale flat tyre noise. There were no indictors or anything. As such I couldn't confidently say how long I had driven on it so it couldn't be repaired.
 
Only time mine ever went off was when I'd driven over a nail.

Although it was about 2 seconds after I noticed myself :p

Hmmm something's not right...
*ding*
Ok, something's definitely not right...
[pull over]
 
scousegit said:
do many newer cars tell you the pressure of each tyre? or just that one maybe low on the set pressure with the illuminated light on the speedo?. I remember on my old E46 that had the TPS and I had to buy a new sensor for one of the wheels because it broke I thought it was crap at the time because it didn't identify which tyre was low.
Click to expand...

Nah mine doesn't. Don't know if the newer Lexus cards do though. Mine just flags up and annoying message and beep when It detects one of the tyres is below 30psi and you have to check them all. Its probably a good thing and gets you into the habit of inflating the tyres periodically.
 
looks like there are different sort of systems, the ones I have had have worked on something to do with wheel rotation speeds
 
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