04-12-2015, 07:04 PM | #1 |
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Need help: Low tires pressure warning on new car.
Hello forum,
I purchased new F32 428i from BMW dealership about a month ago. When I first got in and start up the car, I got the low tire pressure warning on front left tire. My sales advisor told me that it's nothing to worry about, and it can be simply reset. It was pretty cold that evening and the car was sitting in the lot for months. As a previous F10 and E82 owner, I understand random tpms error during cold weather so I overlooked this issue and bought the car. I left the dealership around 10pm, and service dept was closed to fill up the air. So I return few days later and service dept filled up the air and reset the tpms. Everything was fine up until few days ago. I started to see low tire pressure warning once again. And this time it was 70+ degree in the afternoon. I checked the tire pressure with actual tire pressure gauge, and it was reading at 25psi on front left tire. It leads me to think that front left tire have slow leak or defected. I ran my hands thru the tire and scan through the tread with my eyes and I was not able to find any nail or holes. I'm going to the dealership tomorrow for encore service where they install front license plate/car wash/fill up the gas for free. Now my question is can dealer see error code/warning through their system using a scan tool? If they can see that warning was there previously, I will ask them to replace a tire at their cost. If I have to pay for a replacement, I'll just ditch the run flat and move on to something better. F32 have been rock solid and while it's not comfortable as my previous F10 or nimble as E82, I found F32 is very well balanced car. Thanks for your help. |
04-12-2015, 07:21 PM | #2 |
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I'm guessing they will take care of you, especially since it was an issue to begin with.
Also. I too am not a big run flat fan, and would rather have a spare/jack. I just got my first bmw and will consider an alternative when these new P7 tires need replacing. It has however always seemed odd to me to run 1 tire different than the other side. I would do them in pairs at least, fronts or backs, if possible. But I doubt it's terrible not to. Good luck.
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04-12-2015, 09:28 PM | #3 | |
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04-12-2015, 11:33 PM | #4 |
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If theres an issue and it needs replacing, hopefully they'll provide you with a matching new tire, and you're good to go. What I meant is if you decide to "ditch the run-flat" I would not do just 1 tire but transition in pairs. Meaning I wouldn't want a run-flat front right with something totally different front left. Not saying you can't, but I'd avoid it.
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04-13-2015, 06:01 AM | #5 |
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Could just be a leaking valve stem seal.
A tire shop would put it in a water tank to see where the leak is from and how bad it is.
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04-13-2015, 08:37 PM | #6 |
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It turned out to be a nail stuck close to inner sidewall. Service dept replaced the tire without any question. After owning 4 BMW's, this is first time I'm actually impressed with their service dept.
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04-13-2015, 08:44 PM | #7 |
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You could have a bent rim if there isn't any puncture in the tire. Check the rim for any sign of damage.
If you can't "see" anything, have the dealership service department take the tire off the rim and test the rim for warping. If there is a sign of damage, you'll need to negotiate them either fixing or replacing it. |
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