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How practical are run-flat tyres?
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<blockquote data-quote="shuksE90" data-source="post: 186439" data-attributes="member: 3956"><p>Only when I got my car that I began to understand why all the E87s in the world run on RFTs. No space - even for a wheel-barrow spare. Unlike the saloons (where the battery is placed at the sides), they don't have large enough space at either sides (even the First Aid Kit barely fits). Because of this, they supplied RFTs, and placed the battery in the centre well.</p><p></p><p>In my case, the car came with sports suspensions and 18" rims, so, fitting RFTs will only make the car heavier, and harder bumps (and possibly a few expensive visits to the chiropractor from all the backaches too! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" /> heheh) So they compensated this by fitting normal tyres (Michelin Pilot Sport Deux) and threw in a whopping RM550 Conti tyre patch kit for free. After all, the TPM will still indicate so that they're not damaged in case there's a loss of pressure (Cheh, sounds like the safety announcements in airplanes eh? Haha) Of course, the downside is that you'd still have to stop and get out of the car and run the patch kit. But according to the manual, using tyre patch kit lets you drive further up to 200kms at a max speed of 50mph or 80km/h (compared to a max distance of 150kms with the RFTs? if i'm not mistaken la). Good eh? Especially when you get caught in the London Orbital (M25), not realising that you've passed the same exit 3 times around <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" /></p><p></p><p>True enough, it rides superbly and tucks corners in as if the tyres are sticking to the tarmac! It's no wonder the M3s and M5s are never fitted with RFTs as standard (not yet, anyway).</p><p></p><p>Kind regards,</p><p></p><p>Shuks</p></blockquote><p></p>
[QUOTE="shuksE90, post: 186439, member: 3956"] Only when I got my car that I began to understand why all the E87s in the world run on RFTs. No space - even for a wheel-barrow spare. Unlike the saloons (where the battery is placed at the sides), they don't have large enough space at either sides (even the First Aid Kit barely fits). Because of this, they supplied RFTs, and placed the battery in the centre well. In my case, the car came with sports suspensions and 18" rims, so, fitting RFTs will only make the car heavier, and harder bumps (and possibly a few expensive visits to the chiropractor from all the backaches too! :P heheh) So they compensated this by fitting normal tyres (Michelin Pilot Sport Deux) and threw in a whopping RM550 Conti tyre patch kit for free. After all, the TPM will still indicate so that they're not damaged in case there's a loss of pressure (Cheh, sounds like the safety announcements in airplanes eh? Haha) Of course, the downside is that you'd still have to stop and get out of the car and run the patch kit. But according to the manual, using tyre patch kit lets you drive further up to 200kms at a max speed of 50mph or 80km/h (compared to a max distance of 150kms with the RFTs? if i'm not mistaken la). Good eh? Especially when you get caught in the London Orbital (M25), not realising that you've passed the same exit 3 times around :P True enough, it rides superbly and tucks corners in as if the tyres are sticking to the tarmac! It's no wonder the M3s and M5s are never fitted with RFTs as standard (not yet, anyway). Kind regards, Shuks [/QUOTE]
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