Most liked posts in thread: Where is the audible alarm generator for low tire pressure warning?

That's my understanding. It's mentioned in the owners manual. I just want to find out where it's located so I can tap into it and connect a "Screamer" which is a sound amplifier for radar detectors on motorcycles. With the top down, I can't hear the audible alarm and I've missed an early warning of low tire pressure twice now. The first time was a puncture on the freeway on a set of tires that had only 150 miles on them. 'Ruined the tire because the top was down and I couldn't hear the alarm. Then, just this past week, I had four new Michelin Super Sports installed and on a drive up to South San Francisco from San Jose (45 miles), they all lost pressure. By the time I noticed the light on the dash, I'd been running on 11 psi and 18 psi for who knows how long. The left side tires were at 32 and 36, also too low considering that I run 38 front and 36 rear. Left front was only 32 when it should have been closer to 42 from being hot. left rear was 36 and that's where I set it but it, too, should have been higher due to running temp increase. Right front was 18, down from 38 cold, and right rear was down to 11 from 36 cold. Michelin is replacing all the tires for me but I want to figure out to get a better warning setup. The problem with the convertible is that wind noise blocks out the audible alert and sunlight shining on the dash makes it very difficult to notice a light coming on. It wasn't until I made a 90 degree turn in direction transitioning from one freeway to another that I saw the light. I want something loud to make itself really known, but I first need to figure out where the little thingy that makes the audible noise is located.

And I check my tire pressures often. And always do a visual inspection of all four before I drive. Habit because I don't run runflats. I run Michelin Super Sports which work really well on the street dry and wet and also work really well on the track. And I get decent mileage with them. I got nearly 23,000 miles on my last set compared to maybe 12,000 on Ventus V12 Evo's. And if I didn't rotate tires front to back, the Ventus V12's were done by 8000 miles.

Cheers!

 

'Don't want to disable it, I want to tap into the signal that triggers the sound. And I'm pretty sure it's not done through the sound system. I know there's at the very least a relay that is part of the system. I found it on the wiring schematic, but I haven't located it's physical position in the car. I have a pdf of the entire service manual so I'm going to have to go through that in detail. I was hoping someone on one of the Mini forums would know the info.

 

Copy/past from the '06 owners manual:

"The warning lamp indicates a flat tire or a system malfunction. In the event of a flat tire, an acoustic signal also sounds."

 

If I had a hardtop, I'd likely be able to hear it. I think I've heard it before, but since I drive mostly with the top down, I've got wind noise to mask the audio and sunlight to make seeing the light difficult. The Screamer would be a great option to hook up.

 

Hmmm.....I may have to find that relay instead.

I have a CD with the complete service manual on it, but I can't find the darn thing. 'Anyone know where I might download the service manual for an '06?