TireLow Tire Warning

ArchiProf · 10-09-2012, 07:44 AM

This morning I had a low tire warning in my car. All four tires were highlighted and the display arrows also pointed to all four. When I bought the car it was 100 degrees and this morning it was 40 degrees so I thought maybe this is the reason - but enough to trigger the warning???

I cannot read the manual as it is at home (late night reading last night) and I am in the office. If only one tire is low, should that one be the only one denoted in the displays? Is there a way to see which one is actually low short of checking manually?

Thanks.

Bakeme521 · 10-09-2012, 08:49 AM

Usually the tire that is a different color is the low one, thats if you have idrive. If you don't maybe someone else can chime in. That change in temp can def make the warning go off. I would check them manually to make sure and then reset the system.

BAL278 · 10-09-2012, 08:55 AM

a 20 degree change is enough to trigger a warning....
PV=nRT
and from what I remember, a 6% change in pressure is enough to trigger the TPMS

Just fill all 4 to the appropriate pressure and reset the TPMS

Dark_Knight_335 · 10-09-2012, 09:21 AM

It's just getting cold dude- just top off all the tires with a five second shot of air.
It happened to me yesterday- I'm up in North Conway New Hampshire on vacation...perfectly normal.

ArchiProf · 10-09-2012, 09:49 AM

Thanks everybody - I appreciate your responses.

AndyR83 · 10-09-2012, 10:03 AM

This happened to me yesterday. We had a really cold day here too. I made sure all four were at 50psi (that's what my sidewalls say) and reset the alarm. No problems since.

N8N · 10-09-2012, 10:17 AM

50 PSI may be too much... even if you have 19s and are following the yellow sticker I think that that the fronts should be 30-something and the rear 40-something. Unless you are using a custom fitment and have checked your tires with chalk and/or a pyrometer, in which case as you were.

The X Men · 10-09-2012, 10:39 AM

Quote:

Originally Posted by AndyR83

This happened to me yesterday. We had a really cold day here too. I made sure all four were at 50psi (that's what my sidewalls say) and reset the alarm. No problems since.

The rating on the sidewall is the maximum tire pressure rating, I hope you are not using that as a guide line, 50 PSI is way too high. Look at your driver side door jam sticker for the proper inflation pressure.

hussla101 · 10-09-2012, 01:53 PM

This happened to me once where pressure indicator and service light went off ...this was 3 days after a scheduled maintainance at the Dealer. I took it back...later found out that the error code had to be reset by them for the service light but still the low pressure indicator is a mystery !!

boostmg · 10-09-2012, 01:56 PM

This happened to me too, b/c of the weather i'm guessing.

Whats the proper PSI? I have runflats on 19s

AndyR83 · 10-09-2012, 11:45 PM

Quote:

Originally Posted by The X Men

The rating on the sidewall is the maximum tire pressure rating, I hope you are not using that as a guide line, 50 PSI is way too high. Look at your driver side door jam sticker for the proper inflation pressure.

I don't have stock wheels or tires, so I assumed the sticker wouldn't help me. I have staggered 19's with Hankook Ventus V12's.

Tom K. · 10-10-2012, 10:52 AM

Quote:

Originally Posted by AndyR83

I don't have stock wheels or tires, so I assumed the sticker wouldn't help me. I have staggered 19's with Hankook Ventus V12's.

50 psi risks tire and wheel damage as wheel as dislodged dental fillings. Your door jamb sticker and/or owners manual should give recommended pressures for 19" staggered tires. If not, I'd start at something like 33/37 and experiment.

Tom

10-09-2012, 07:44 AM	#1
ArchiProf member Drives: 2012 335i X Drive Coupe Join Date: Jul 2010 Location: USA Posts: 102 iTrader: (0) Garage List 2012 BMW 335i xDriv ... [0.00] 1993 Pathfinder [0.00]	TireLow Tire Warning This morning I had a low tire warning in my car. All four tires were highlighted and the display arrows also pointed to all four. When I bought the car it was 100 degrees and this morning it was 40 degrees so I thought maybe this is the reason - but enough to trigger the warning??? I cannot read the manual as it is at home (late night reading last night) and I am in the office. If only one tire is low, should that one be the only one denoted in the displays? Is there a way to see which one is actually low short of checking manually? Thanks. __________________ 2012 335i X Drive Coupe - Black/Black, 6M, M Sport, Premium, Navigation, apps, black grille, and more...
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10-09-2012, 08:49 AM	#2
Bakeme521 Some say... Drives: Fresh Join Date: Mar 2010 Location: Baton Rouge n NOLA Posts: 4,239 iTrader: (12) Garage List 2007 BMW 335i [4.04]	Usually the tire that is a different color is the low one, thats if you have idrive. If you don't maybe someone else can chime in. That change in temp can def make the warning go off. I would check them manually to make sure and then reset the system. __________________ I have exhaust and an intake...
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10-09-2012, 08:55 AM	#3
BAL278 Captain Drives: E92 335xi JB Join Date: Jun 2011 Location: North NJ Posts: 801 iTrader: (2)	a 20 degree change is enough to trigger a warning.... PV=nRT and from what I remember, a 6% change in pressure is enough to trigger the TPMS Just fill all 4 to the appropriate pressure and reset the TPMS __________________ 2008 335xi Jet Black//Coral Red Procede V5//VRSF DPs//AMS FMIC//KW V1//M3 Sways & Sub Bushings// Alpina AT flash
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10-09-2012, 09:49 AM	#5
ArchiProf member Drives: 2012 335i X Drive Coupe Join Date: Jul 2010 Location: USA Posts: 102 iTrader: (0) Garage List 2012 BMW 335i xDriv ... [0.00] 1993 Pathfinder [0.00]	Thanks everybody - I appreciate your responses. __________________ 2012 335i X Drive Coupe - Black/Black, 6M, M Sport, Premium, Navigation, apps, black grille, and more...
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10-09-2012, 10:03 AM	#6
AndyR83 Major Drives: E92 335i FBO Join Date: Oct 2011 Location: PA Posts: 1,002 iTrader: (5)	This happened to me yesterday. We had a really cold day here too. I made sure all four were at 50psi (that's what my sidewalls say) and reset the alarm. No problems since. __________________ Do NOT do business with IAN HAAN, known scammer who STILL has an account here on e90post!
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10-09-2012, 09:21 AM	#4
Dark_Knight_335 Came to the N55 Darkside Drives: 2011 335 E93 M-Sport Join Date: May 2010 Location: NY/NJ Posts: 8,087 iTrader: (20)	It's just getting cold dude- just top off all the tires with a five second shot of air. It happened to me yesterday- I'm up in North Conway New Hampshire on vacation...perfectly normal.
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10-09-2012, 10:17 AM	#7
N8N Major Drives: 2009 E92 335i 6MT Join Date: Sep 2012 Location: Sterling, VA Posts: 1,414 iTrader: (1)	50 PSI may be too much... even if you have 19s and are following the yellow sticker I think that that the fronts should be 30-something and the rear 40-something. Unless you are using a custom fitment and have checked your tires with chalk and/or a pyrometer, in which case as you were.
	0

10-09-2012, 01:53 PM	#9
hussla101 New Member Drives: 2011 BMW 328i SEDAN E90 LCI Join Date: Oct 2012 Location: SF BAY AREA, CALIFORNIA Posts: 5 iTrader: (0)	This happened to me once where pressure indicator and service light went off ...this was 3 days after a scheduled maintainance at the Dealer. I took it back...later found out that the error code had to be reset by them for the service light but still the low pressure indicator is a mystery !!
	0

10-09-2012, 01:56 PM	#10
boostmg Private Drives: civic Join Date: May 2012 Location: pa Posts: 72 iTrader: (0)	This happened to me too, b/c of the weather i'm guessing. Whats the proper PSI? I have runflats on 19s
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