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Infiniti M35/M45 Tires

188 messages,  Last post on Oct 27, 2009 at 9:20 PM

You are in the Infiniti M35/M45 Forum. Your Hosts are pat & karens

What is this discussion about? Infiniti M35, Infiniti M45, Tires, Sedan


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#106 of 188
Inside Tire Wear - Rear by rstalls
Feb 11, 2008 (5:54 pm)
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Anyone notice wear on the inside of the rear tires on your M35 Sport. Seems like I notice it when I rotate the tires and the wear is always on the inside of the rears. Could it be that the camber is out of adjustment.
#107 of 188
Tires for M35 by golfgod2
Mar 02, 2008 (6:23 am)
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Have an '07 M35 non-sport. Wanted better performance than the OEM RSA's and didn't want to pay a fortune. After doing a lot of research, purchased General Exclaim UHP's for $700 including balancing and alignment. So far, couldn't be happier. No difference in ride quality/noise but handle much better. Hopefully they'll hold up for the long term.
#108 of 188
Huge Improvement by capoany
Mar 12, 2008 (11:12 am)
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My '06 M35 Sport was a handful- the stock 19" Bridgestone summer tires were spent at 25K miles, and the car would track grooves in pavement, with the steering wheel jerking wildly. I'm 50, a competent driver, and have owned and driven many sports cars and high performance sedans- this was not normal behavior for any car.
 
The fact is that there are two issues here- the tires and the steering. The reported issue with this in this board and others is very real, but very fixable.
 
I had the steering rack replaced under warrantee, and while the dealer indicated the car was designed to have 'direct steering' it's clear that they are aware of the issue, and without provocation, volunteered to change the rack. And I installed Michelin Pilot Sport All Season tires, the ONLY A/S tire made for this car- $299 each at tire rack...ouch!. All I can say is that it's a different car now. It's still a direct steering, big rubber RWD sport sedan, but the ride, steering and noise are all dramatically improved. And I mean dramatically. Just wanted to share with the group.
#109 of 188
Re: Huge Improvement [capoany] by barryend
Mar 12, 2008 (11:26 am)
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Replying to: capoany (Mar 12, 2008 11:12 am)

I had the steering rack replaced under warranty and it reduced the slack. I also put on Conti Contacts; about $750.00 installed at Mavis Tire. Lease is up 1/2009 so Michelins would be an extravagance. I am very happy with the steering and tracking now. Much more tread depth for snow on an occasional ski trip. I might lease another one or the new FX if the improve the mileage with the 7-speed. My dog would prefer it. The FX on the Infiniti europe web site touts weight savings on the new FX. Aluminum bonnet (hood) and plastic tailgate among others.
 
2006 M35X 29,000 miles.
#110 of 188
Tire pressure for Eagle F-1's by alanpreston05
Mar 29, 2008 (3:07 am)
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I just replaced the OEM RSA's on my '06 M35x at 43,000 miles, with Eagle F-1's. What a difference. Surprisingly, the Infiniti dealer's price was right in line with several local tire specialty places, so I went with them. My question is this: What's the appropriate pressure for the F-1's? After installation, the dealer set the (nitrogen) pressure to 42 psi. I thought that seemed incredibly high, but the ride and handling were great.
 
I took the car back for some minor service a few weeks later and mentioned the tire pressure - and when I picked up the car they had lowered the pressure to 34 psi. The ride and handling are also excellent at this pressure; but I am wondering, what's correct and why did they put them at 42 first and now down to 34 What's the right pressure?
#111 of 188
good question ... by tsol
Mar 29, 2008 (5:30 am)
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My '06 M35x drove horrible and I always attributed it to the RSA's so when I replaced them with Bridgestone RE960s and it wasn't any better I was frustrated. Enter the '08 and my preference for the early body so I traded my early '06 on a late '07 to keep me in this body until a newer car comes out ... anyway the problem disappeared with the new car even though I was back on RSAs again.
 
Now, was it that the newer rack (I assume the '07 has been "fixed") was already on this car or the fact the tire were inflated to 40 PSI when I got it? I don't know, but I've kept the inflation up an have no outer-edge tire wear like I used to and it drive much better. I'd say if the ride comfort does not bother you, keep the pressure up and monitor the tires for excessive wear in the center from too much pressure.
 
What REALLY bothers me is the tire pressure monitors read 3 lbs. low across the board!!!
#112 of 188
2007 m35 Tires Good Year Rsa by bgiannantonio
Mar 31, 2008 (5:28 am)
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These tires are terrible as after 15000 miles they were worn to just about the tire wear bars. The tires were rotated at 7000 miles and 14000 miles with the tire preassure at 34-35 lbs the allignment was checked and was correct. The car was terrible as well as not safe in the rain. The car would wander all over the highway following the groves of the road I had contacted Infiniti as well as my dealer after reading all these other unhappy customers of this vechile to no get no help. I was very suprised at ther response for this high priced high end vechicle. After no responce from the dealer or Infiniti I went out and spent over $1200 on new Michlien Primacy's after about 600 miles car rides as new tracks straight as well as rides like a $50K vechicle not like a homemade go cart Very suprised this issue has not been adressed By Infiniti
#113 of 188
Re: 2007 m35 Tires Good Year Rsa [bgiannantonio] by barryend
Mar 31, 2008 (4:31 pm)
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Replying to: bgiannantonio (Mar 31, 2008 5:28 am)

You can file a complaint with the US Dept. of Transportation. Maybe a class action lawyer would be interested.
#114 of 188
Re: 2007 m35 Tires Good Year Rsa [bgiannantonio] by barryend
Mar 31, 2008 (4:36 pm)
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Replying to: bgiannantonio (Mar 31, 2008 5:28 am)

http://www-odi.nhtsa.dot.gov/ivoq/
D.O.T. complaint page.
I suggest calling though.
#115 of 188
Re: 2007 m35 Tires Good Year Rsa [bgiannantonio] by prophet
Apr 02, 2008 (11:26 am)
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Replying to: bgiannantonio (Mar 31, 2008 5:28 am)

Just replaced my Goodyear RSA's 19,000 miles with Goodyear Eagle F1's. No more sliding in the rain & corners great.

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