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Twitchy rear end...
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- Newbie
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Twitchy rear end...
Hi Guys,
So as of late, my zed’s handling hasn’t been inspiring the most amount of confidence, the car is feeling twitchy, finding every pothole or divot in the road and tram-lining at every given opportunity
I was just wondering if this a common trait with the dreaded run flats currently fitted to my car or if maybe a simple tyre pressure adjustment would help settle it a bit? (currently running the recommended 33 front, 40 rear, which seems a little high for uk roads imo)
So as of late, my zed’s handling hasn’t been inspiring the most amount of confidence, the car is feeling twitchy, finding every pothole or divot in the road and tram-lining at every given opportunity
I was just wondering if this a common trait with the dreaded run flats currently fitted to my car or if maybe a simple tyre pressure adjustment would help settle it a bit? (currently running the recommended 33 front, 40 rear, which seems a little high for uk roads imo)
E89 Z4 2.8i M Sport.
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Onlinebuzyg
- Legend
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- Location: Cornwall
Twitchy rear end...
Apparently they all d it. Ditch the run flats and enjoy .
Oh and less of those strong curries might help too.
Oh and less of those strong curries might help too.
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- Newbie
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Twitchy rear end...
Haha, ill steer clear of those curry's for now, Saturday nights will never be the same though..
Its weird, I have only just started noticing it and i have had the car over a year now . I will be ditching them as soon as I can for pilot sports but for now, I was just wondering if maybe a simple tyre change and some alignment might make things a bit more bearable you know
E89 Z4 2.8i M Sport.
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Twitchy rear end...
It will and not just "a bit more bearable", but very good.
Runflats on Z4s are the Devil's work.
Vidi, vici, veni
- R60BBA
- Senior Member
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Twitchy rear end...
40 rear is too high.
Too high a tyre pressure = darty/twitchy handling.
Drop the pressure down to 36 on the rears.
Too high a tyre pressure = darty/twitchy handling.
Drop the pressure down to 36 on the rears.
Current: 2002 E46 M3
Current: 2005 997 Carrera S
Gone: 2004 R53 Cooper S
Gone: 1998 E31 840Ci Sport
Gone: 2007 Z4 E86 3.0Si Sport
Gone: 2001 Z3 E36/7 2.2i San Remo Individual
Gone: 2015 F21 116d M Sport
Gone: 2012 A3 Sportback 1.2TFSI
Current: 2005 997 Carrera S
Gone: 2004 R53 Cooper S
Gone: 1998 E31 840Ci Sport
Gone: 2007 Z4 E86 3.0Si Sport
Gone: 2001 Z3 E36/7 2.2i San Remo Individual
Gone: 2015 F21 116d M Sport
Gone: 2012 A3 Sportback 1.2TFSI
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Twitchy rear end...
Yeah this. I had Runflats on for a couple of years, kicking myself for not swapping out to Pilot Sports earlier but the difference, well, it's like driving a different car with much improved handling and ride quality
2011 X3 30d MSport black, 8-speed auto, leather everything
2011 Bimmer Z4 35i diamond black, 6-speed manual, full caboodle (hibernating)
2011 Bimmer Z4 35i diamond black, 6-speed manual, full caboodle (hibernating)
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OnlinePhoenixboy
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Twitchy rear end...
So what pressures are you suggesting on run flats then?
E89 s drive 30i manual/gone
space grey
Carbon interior trim
19" Veeman FS 25`s
cruise control
m sport seats
stubby
led halo bulbs
z4 forum sticker, for added power.
OEM wind deflector
Gone, E85 Ruby Black.
space grey
Carbon interior trim
19" Veeman FS 25`s
cruise control
m sport seats
stubby
led halo bulbs
z4 forum sticker, for added power.
OEM wind deflector
Gone, E85 Ruby Black.
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- Senior Member
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Twitchy rear end...
On your 2002 BMW 3 SERIES M3, perhaps, but not necessarily on a Z4.
Vidi, vici, veni
- Player 1
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Twitchy rear end...
Exactly, BMW aren't stupid. If the recommended pressure was really as bad as the OP's describing, it wouldn't be the recommended pressure in the first place.
Sounds a lot like the alignment's taken a wander.
- MrPT
- Lifer
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Twitchy rear end...
Changing tyre pressures is free and easy. Try it.
2008 Z4MC: heavy wheels | crap suspension | skittish rear end | wobbly engine | not enough induction noise | underwhelming turn in | inconsistent braking | lardy battery | chubby steering wheel
2006 Z4 2.5si: gone
2006 Z4 2.5si: gone
- Silverzedtom
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- Newbie
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Twitchy rear end...
Thanks, guys, ill try dropping the rear pressures now and ill let you know if that helps. I'm hoping its not anything more serious than that but we all know how these things go..
E89 Z4 2.8i M Sport.
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Twitchy rear end...
syyzed, you ain't going to get a decent ride 'til you dump the runflats.
Vidi, vici, veni
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Twitchy rear end...
Montego blue 2006 BMW Z4 coupe 3.0si with black interior, ZHP, Whippy, 12mm front/16mm rear spacers on BBS 108's wrapped in Michelin PS4's. :driving:Brand new Pierburg water pump fitted at 101k after failure (should have done it at 100k)
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