front left tire temp higher than the rest?

pdramarocks · 03-17-2015, 06:04 PM

I've noticed that my front left tire consistently runs 10-20 degrees (f) higher than the others at operating temperature. Do you guys get the same results on your cars?

Trying to figure out if this is due to engine heat or a potential alignment issue (although the car drives fine and doesn't seem to pull).

Lus8aPilot · 03-17-2015, 09:58 PM

I was just about to ask the same question, although it looks like in Seattle we run a little cooler overall.

I don't think it's an alignment issue either. Probably just a cooling system effect. There are a ton of heat exchangers up front there and I think there's one on that side for the DCT?

Appeltje · 03-30-2015, 11:07 PM

Noticed the same with my tires....temp. difference is very minor, left front tire is 2 degrees more then the other three

SakhirM4 · 03-30-2015, 11:10 PM

Should make all the air pressures the same and check again.

Andrew115 · 03-30-2015, 11:52 PM

I noticed the same thing and bet most of us will.

Can't help but think this is due to the high temp water cooler being in front of this tire. I would think this could explain the difference assuming you have proper alignment.

oldkingdom · 03-31-2015, 02:52 AM

Same here and was wondering also... All pressures identical here. I've also done a reset and checked pressures again twice. Sensors say FL hotter. Between 4-12 degrees usually.

RowanBuds · 03-31-2015, 09:38 AM

I'm not well versed in the technological side of tire cause/effect things, but might have a lead on this one. In looking back at the weight threads for F8x's just yesterday, I noticed that when cars are on corner scales the FL tire is consistently the one bearing the heaviest load. I'm not meaning by 10-20 lbs, either. The metrics I recall were something like 100+ lbs on the FL corner compared with the FR, and both I seem to remember being about 40-50 lbs higher than rear tire loads.

Could be the cause of the higher temps.

JNoSol · 04-03-2015, 12:01 AM

Quote:

Originally Posted by pdramarocks

I've noticed that my front left tire consistently runs 10-20 degrees (f) higher than the others at operating temperature. Do you guys get the same results on your cars?

Trying to figure out if this is due to engine heat or a potential alignment issue (although the car drives fine and doesn't seem to pull).

If all else constant, the driver sits closest to the front left corner = more weight = higher temp. Just a guess.

Ghetto2315 · 06-12-2015, 08:39 PM

Just noticed this in my M4 a few nights ago and it's starting to bug me...

335iLondon · 06-24-2015, 07:05 AM

UK owner here, (rhd) same issue. Nothing to do with driver weight.
Assuming heat exchangers are the cause.

Any new info would be welcome.

Blackpearll · 05-04-2018, 06:28 AM

Hi all,

I also noticed this a few weeks ago in my F80 ZCP (MY2017; LH). I thought it was a tire-related issue but it's not, since I changed my winter wheels to the summer wheels and the issue was not solved. Temperature difference is approximately 3-4°C celsius. On the other hand, there is no significant difference in tire pressure. Hopefully more information soon.

Poiseuille · 05-04-2018, 07:20 AM

Quote:

Originally Posted by 335iLondon

UK owner here, (rhd) same issue. Nothing to do with driver weight.
Assuming heat exchangers are the cause.

Any new info would be welcome.

geez, what a relief: I thought i was just too fat (LHD), and yes, I have the same observation to the same degree as everyone else.

whoop_ass · 05-04-2018, 11:41 AM

Ye also been wondering about this..
but it my FL and RR that are higher temp.
lowered on MPerformance HAS.
RHD

Ian1973 · 05-04-2018, 08:04 PM

tolerance in electronics, maybe you were taking turns on the opposite side. Don't worry about a psi.

JamesGames · 05-05-2018, 12:55 PM

Quote:

Originally Posted by whoop_ass

Ye also been wondering about this..
but it my FL and RR that are higher temp.
lowered on MPerformance HAS.
RHD

LHD car here and same two tires that are always higher temp, with the FL being the hottest.

AgentBishop · 05-22-2018, 07:33 AM

Incase anyone in this thread hasn't seen the other thread that has found the answer...

http://f80.bimmerpost.com/forums/sho...1278907&page=3

03-17-2015, 06:04 PM	#1
pdramarocks Private 10 Rep 99 Posts Drives: 2015 M4 (SO/SO) Join Date: Jul 2014 Location: Houston iTrader: (0)	front left tire temp higher than the rest? I've noticed that my front left tire consistently runs 10-20 degrees (f) higher than the others at operating temperature. Do you guys get the same results on your cars? Trying to figure out if this is due to engine heat or a potential alignment issue (although the car drives fine and doesn't seem to pull).
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03-17-2015, 09:58 PM	#2
Lus8aPilot Private 38 Rep 69 Posts Drives: 2015 BMW M3 Join Date: Feb 2015 Location: Seattle, WA iTrader: (0)	I was just about to ask the same question, although it looks like in Seattle we run a little cooler overall. I don't think it's an alignment issue either. Probably just a cooling system effect. There are a ton of heat exchangers up front there and I think there's one on that side for the DCT? Attached Images
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03-30-2015, 11:07 PM	#3
Appeltje Private First Class 49 Rep 186 Posts Drives: M4 F82 Join Date: Jan 2013 Location: The Woodlands iTrader: (0)	Noticed the same with my tires....temp. difference is very minor, left front tire is 2 degrees more then the other three
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03-30-2015, 11:10 PM	#4
SakhirM4 Major General 10785 Rep 8,852 Posts Drives: '15 SO M4/'20 Z4 M40i Join Date: Jul 2014 Location: Austin, TX iTrader: (0) Garage List 2020 BMW Z4 M40i [10.00] 2015 BMW M4 [8.76]	Should make all the air pressures the same and check again. __________________ Tejas Chapter, BMW CCA, mem #23915, President 27 years, www.tejaschapter.org
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03-30-2015, 11:52 PM	#5
Andrew115 Major 328 Rep 1,450 Posts Drives: Silver Bullet Join Date: May 2013 Location: Charlotte NC iTrader: (0)	I noticed the same thing and bet most of us will. Can't help but think this is due to the high temp water cooler being in front of this tire. I would think this could explain the difference assuming you have proper alignment.
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03-31-2015, 02:52 AM	#6
oldkingdom Executive Producer 22 Rep 370 Posts Drives: '15 F82 M4 (YAS/Silverstone) Join Date: Jan 2006 Location: Los Angeles iTrader: (0) Garage List 2015 BMW M4 [0.00] 2012 BMW Z4 35is [8.00] 2007 e92 335i [0.00]	Same here and was wondering also... All pressures identical here. I've also done a reset and checked pressures again twice. Sensors say FL hotter. Between 4-12 degrees usually. __________________ J Ryan RETIRED: '86 e30 325e, '89 e30 M3, '02 330ci, '05 330ci ZHP, '07 e92 335i, '07 e92 335i, '12 e89 Z4 35is, '5 f82 M4 CURRENT: Porsche 911s
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03-31-2015, 09:38 AM	#7
RowanBuds Colonel 1707 Rep 2,053 Posts Drives: 3 pedal 718, G05, MkVII GTI Join Date: Dec 2008 Location: Bergen County, NJ iTrader: (0)	I'm not well versed in the technological side of tire cause/effect things, but might have a lead on this one. In looking back at the weight threads for F8x's just yesterday, I noticed that when cars are on corner scales the FL tire is consistently the one bearing the heaviest load. I'm not meaning by 10-20 lbs, either. The metrics I recall were something like 100+ lbs on the FL corner compared with the FR, and both I seem to remember being about 40-50 lbs higher than rear tire loads. Could be the cause of the higher temps. __________________ Moved to the darkside: '23 718 GT4; 11-10-2022. Le Mans Blue F80 - Munich 5-22-2015 / US 7-7-2015 / SOLD 9-17-2022 ED Recap Arctic Grey G05 - Spartanburg 8-29-2019 X5 PCD Recap
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06-12-2015, 08:39 PM	#9
Ghetto2315 Colonel 831 Rep 2,352 Posts Drives: 16' BMW i8 Join Date: Feb 2012 Location: The REAL Jersey Shore iTrader: (1) Garage List 2001 BMW M3 E46 CON ... [9.50] 2016 BMW i8 [10.00] 2003 JEEP GRAND CHE ... [0.00] 2000 540i SPORT E39 [10.00] 2007 TOYOTA TACOMA ... [0.00]	Just noticed this in my M4 a few nights ago and it's starting to bug me...
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06-24-2015, 07:05 AM	#10
335iLondon Captain 35 Rep 914 Posts Drives: 07' 335i Msport Join Date: Mar 2011 Location: London iTrader: (0)	UK owner here, (rhd) same issue. Nothing to do with driver weight. Assuming heat exchangers are the cause. Any new info would be welcome.
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05-04-2018, 06:28 AM	#11
Blackpearll New Member 10 Rep 16 Posts Drives: BMW 335D XDrive Join Date: Jan 2015 Location: Belgium iTrader: (0)	Hi all, I also noticed this a few weeks ago in my F80 ZCP (MY2017; LH). I thought it was a tire-related issue but it's not, since I changed my winter wheels to the summer wheels and the issue was not solved. Temperature difference is approximately 3-4°C celsius. On the other hand, there is no significant difference in tire pressure. Hopefully more information soon.
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05-04-2018, 11:41 AM	#13
whoop_ass Captain 355 Rep 719 Posts Drives: non Join Date: Apr 2013 Location: On Earth iTrader: (0)	Ye also been wondering about this.. but it my FL and RR that are higher temp. lowered on MPerformance HAS. RHD
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05-04-2018, 08:04 PM	#14
Ian1973 Colonel 736 Rep 2,134 Posts Drives: 15 M3 Join Date: Sep 2013 Location: Charlton, NY iTrader: (0)	tolerance in electronics, maybe you were taking turns on the opposite side. Don't worry about a psi.
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05-22-2018, 07:33 AM	#16
AgentBishop Enlisted Member 21 Rep 43 Posts Drives: 2013 135is Join Date: Sep 2017 Location: Virginia Beach iTrader: (0)	Incase anyone in this thread hasn't seen the other thread that has found the answer... http://f80.bimmerpost.com/forums/sho...1278907&page=3 __________________ 2013 BMW 135is Alpine White, DCT 2017 BMW M4 ZCP DCT (turned in) 2011 BMW 335i Manual (sold...enjoy kid!) 2006 BMW 330i Sedan Manual (Sold) 1992 BMW 325i Sedan (Sold)
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