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The BMW Range
5 Series
F10, F11, F07
Upsizing to 19inch non RFT
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<blockquote data-quote="SilverBullet" data-source="post: 727749" data-attributes="member: 11244"><p>Sharing my opinion:</p><p></p><p>1) I would get lightweight rims, yet strong enough to handle our malaysian pot holes - BBS or BC Forged would be good</p><p>2) Lightweight so as to reduce the rotational mass that will affect your car's performance, especially from stationary/low speed take offs (it doesn't matter if I have 1000Nm of torque but still I would like to retain every bit of that rather than lost it from the previous setup)</p><p>3) Handling would be better on a 19" given that the offsets are slightly more outwards than the previous setup. RFTs will also improve the handling due to the stiffer sidewalls</p><p>4) More prone to aqua-planing if wider rims+tyres are used, e.g 9.5jj or 10jj</p><p>5) 17"+RFT vs 19"+non RFT would be more less the same ride comfort I would say, but with 19" car looks much nicer but slightly higher risk of damaging the rims as the tyres are thinner to protect them...but it's really not that bad...</p><p></p><p>I have never used anything lower than 19" rims on all my current n previous rides...so far so good touchwood...just always need to keep a sharp eye on the road conditions and carry a tyre sealant kit (or a spare tyre kit) in the boot when travelling....my verdict, I would go for the 19" upgrade</p></blockquote><p></p>
[QUOTE="SilverBullet, post: 727749, member: 11244"] Sharing my opinion: 1) I would get lightweight rims, yet strong enough to handle our malaysian pot holes - BBS or BC Forged would be good 2) Lightweight so as to reduce the rotational mass that will affect your car's performance, especially from stationary/low speed take offs (it doesn't matter if I have 1000Nm of torque but still I would like to retain every bit of that rather than lost it from the previous setup) 3) Handling would be better on a 19" given that the offsets are slightly more outwards than the previous setup. RFTs will also improve the handling due to the stiffer sidewalls 4) More prone to aqua-planing if wider rims+tyres are used, e.g 9.5jj or 10jj 5) 17"+RFT vs 19"+non RFT would be more less the same ride comfort I would say, but with 19" car looks much nicer but slightly higher risk of damaging the rims as the tyres are thinner to protect them...but it's really not that bad... I have never used anything lower than 19" rims on all my current n previous rides...so far so good touchwood...just always need to keep a sharp eye on the road conditions and carry a tyre sealant kit (or a spare tyre kit) in the boot when travelling....my verdict, I would go for the 19" upgrade [/QUOTE]
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The BMW Range
5 Series
F10, F11, F07
Upsizing to 19inch non RFT
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