RFT to Non-RFT (2 rear tires only)

PINOY_E90 · 08-02-2012, 12:42 AM

Since i only get 25k on my michelin rft, i decided today when i replaced my bald rear tires with regular michelin pilot A/S (non-rft).

My 2 rft michelin in the fronts are still ok maybe 30% treadlife left.

Do i need to replaced the 2 rft fronts to non-rft too? Or i can wait few more months when it really needs replacement?

Please give me advice.

Thanks

giaolong · 08-02-2012, 12:48 AM

Not u can go a few months with it like that.
But for a world different, i would change the front too.

jon328i · 08-02-2012, 01:02 AM

tirerack recommends same brand, same model of tires on all four corners. goodluck

CrazyNole21 · 08-02-2012, 01:09 AM

I would change those two front run-flat tires to non run-flat. I thought about that myself b/c I too had some tread life in the front tires when my rears went bald. That's what you have to deal with b/c of a staggered setup, no tire rotations. Trust me, once you change out the fronts, you'll notice better handling and a more responsive steering wheel with lighter tires.

persian54 · 08-02-2012, 02:11 AM

how people get 25k miles out of tires... especially rears... is beyond me.

it's not recommended to mix and match tires

PINOY_E90 · 08-02-2012, 02:11 AM

With non rft at the back, it feels strange when running over 70mph, it seems like the steering wheel is too sensitive and the car is not planted on the road. Kind a like the car is a little out of control.

Im thinking ditching the rft tomorrow, i wnt to get more opinion.

Thanks

Gary@TireRack · 08-02-2012, 10:33 AM

Avoid mixing tires, especially run flats with non run flats. Search and find many members reporting problems when mixing the two.

omerfar23 · 08-02-2012, 11:29 AM

i am in the same boat as you but my research on this forum has indicated its a bad idea though for a short (temporary) basics it would be okay.

TwinTuning · 08-02-2012, 12:14 PM

I just brought pirelli all season rear new from Tire Rack, the front used from a member. The ride is much better. Does it mean TPMS wont work anymore? Code warning will never reset?

VMRWheels · 08-02-2012, 01:14 PM

Quote:

Originally Posted by Gary@TireRack

Avoid mixing tires, especially run flats with non run flats. Search and find many members reporting problems when mixing the two.

exactly. I wouldn't recommend mixing, car may feel imbalanced and unstable.

PINOY_E90 · 08-02-2012, 04:40 PM

Thanks for the advice guys! this morning i replaced the 2 old front rft this morning. now i am running michelin pilot sport A/S...

I can now tell... wowow! what a difference... ride is quieter.. even with smal bumps... handles the same or better and still planted over 80mph

Thanks

driverman · 08-02-2012, 11:32 PM

You made the right decision.

Having RFT in front and non-RFT in rear will cause your car to oversteer because the front tires are much stiffer than the rear. Making matters worse is that the non-RFT in the rear are new. Sounds like a dangerous setup to me.

08-02-2012, 12:42 AM	#1
PINOY_E90 Second Lieutenant 56 Rep 209 Posts Drives: 2008 E90 335i Join Date: Dec 2006 Location: Peachtree City, GA iTrader: (0)	RFT to Non-RFT (2 rear tires only) Since i only get 25k on my michelin rft, i decided today when i replaced my bald rear tires with regular michelin pilot A/S (non-rft). My 2 rft michelin in the fronts are still ok maybe 30% treadlife left. Do i need to replaced the 2 rft fronts to non-rft too? Or i can wait few more months when it really needs replacement? Please give me advice. Thanks __________________ 2008 E90 335i Jet Black, Black Leatherette, Aluminum, Automatic, Paddle, Sport Package, Ipod/USB, Formula One Pinnacle Tint 35%, Depo Blackline, M3 reps front bumper, Black Gloss Grille, Matte Black M359, V1
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08-02-2012, 12:48 AM	#2
giaolong Second Lieutenant 11 Rep 280 Posts Drives: E92 335xi, Genesis, IS300 Join Date: Jan 2012 Location: Virginia Beach, VA iTrader: (2)	Not u can go a few months with it like that. But for a world different, i would change the front too. __________________ 09 BMW 335xi e92 -KW-M6 Wheels-Toyo-Mtech-RSD-
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08-02-2012, 01:02 AM	#3
jon328i Wheelmaster 14 Rep 445 Posts Drives: F39, S209, VB-WRX Join Date: Sep 2010 Location: Los Angeles iTrader: (7)	tirerack recommends same brand, same model of tires on all four corners. goodluck
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08-02-2012, 01:09 AM	#4
CrazyNole21 Phizzle 15 Rep 317 Posts Drives: 07 BMW 335i Join Date: Jan 2012 Location: Florida iTrader: (15)	I would change those two front run-flat tires to non run-flat. I thought about that myself b/c I too had some tread life in the front tires when my rears went bald. That's what you have to deal with b/c of a staggered setup, no tire rotations. Trust me, once you change out the fronts, you'll notice better handling and a more responsive steering wheel with lighter tires.
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08-02-2012, 02:11 AM	#5
persian54 Lieutenant General 922 Rep 15,818 Posts Drives: M760/G83M4 Join Date: Jun 2009 Location: The Valley, SoCal iTrader: (298)	how people get 25k miles out of tires... especially rears... is beyond me. it's not recommended to mix and match tires __________________ From E93 335i to E89 Z4 to E93 M3/E89 Z4 to E350/SL550
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08-02-2012, 10:33 AM	#7
Gary@TireRack Moderator 369 Rep 4,745 Posts Drives: Formerly 1995 M3 Join Date: Oct 2006 Location: South Bend, IN, Tire Rack HQ iTrader: (2)	Avoid mixing tires, especially run flats with non run flats. Search and find many members reporting problems when mixing the two. __________________ Gary. Tire and Wheel Forum Moderator. Tire Rack Sales Rep Gary@Tirerack.com http://www.tirerack.com/a.jsp?a=AH8&url=index.jsp Please refer to 'Gary/E90 Post' as your previous contact when you order online to help support this forum.
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08-02-2012, 11:29 AM	#8
omerfar23 First Lieutenant 19 Rep 379 Posts Drives: 2011 E93 335i, 2008 335i e92 Join Date: May 2007 Location: Baltimore, MD iTrader: (0)	i am in the same boat as you but my research on this forum has indicated its a bad idea though for a short (temporary) basics it would be okay. __________________ ******** 2008 BMW 335i TT****
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08-02-2012, 12:14 PM	#9
TwinTuning Captain 19 Rep 712 Posts Drives: E90 335I Join Date: Aug 2011 Location: HERE iTrader: (7)	I just brought pirelli all season rear new from Tire Rack, the front used from a member. The ride is much better. Does it mean TPMS wont work anymore? Code warning will never reset?
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08-02-2012, 04:40 PM	#11
PINOY_E90 Second Lieutenant 56 Rep 209 Posts Drives: 2008 E90 335i Join Date: Dec 2006 Location: Peachtree City, GA iTrader: (0)	Thanks for the advice guys! this morning i replaced the 2 old front rft this morning. now i am running michelin pilot sport A/S... I can now tell... wowow! what a difference... ride is quieter.. even with smal bumps... handles the same or better and still planted over 80mph Thanks __________________ 2008 E90 335i Jet Black, Black Leatherette, Aluminum, Automatic, Paddle, Sport Package, Ipod/USB, Formula One Pinnacle Tint 35%, Depo Blackline, M3 reps front bumper, Black Gloss Grille, Matte Black M359, V1
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08-02-2012, 11:32 PM	#12
driverman Captain 38 Rep 715 Posts Drives: 2008 328i 6MT - SOLD Join Date: Nov 2008 Location: El Dorado Hills, CA iTrader: (0)	You made the right decision. Having RFT in front and non-RFT in rear will cause your car to oversteer because the front tires are much stiffer than the rear. Making matters worse is that the non-RFT in the rear are new. Sounds like a dangerous setup to me.
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