RAV4 Drivers Club Guide To The Toyota RAV4 Run-Flat (BSR) Tyre System

This guide is written to with any luck explain the BSR run flat machine equipped to the Toyota Rav4 T180 and SR180
Many proprietors have bought their cars barring understanding of this BSR machine so right here I will strive to give an explanation for what it is and the choices for replacing it..

What is the BSR system?

It’s a Run flat device that is exceptional from different kinds the place the sidewall of the tyres used is closely bolstered so if a puncture or deflation takes place the vehicle correctly rides on the sidewall

BSR (Bridgestone Safety Ring) is a machine that employs a ring that is fitted internal the tyre round the rim. This is what the auto rides on in the event of a deflation. The tyres are correctly a ordinary tyre. This is a improvement of a WW2 navy vehicle.

There is also a lubricant inside the tyre that lubes the tyre and the BSR ring in the event of a deflation. Without this the friction generated would wreck each elements.

System is backed up by using a TPMS (Tyre Pressure Monitoring System) that illuminates a warning mild on the sprint if a deflation takes place…

The pluses to this system..

It skill that no spare wheel wishes to be carried.. And… Err nicely it is about it really..

The minuses..

The tyres have to be removed by a exceptional and very expensive machine that solely Toyota Dealers and a few unbiased Tyre Dealers have.

Only one type of Bridgestone tyre can be used with the BSR system. No different make or model of tyre can be used.
This makes for expensive replacements come time for new tyres and can show very inconvenient in the match of a puncture.

Owners record very high-priced prices for replacement or repair!

The options…

Well Owners can genuinely stay with what they have and put up with the what is regarded large fees of substitute or repair.


Remove the present tyres and the BSR gadget completely. You can have the tyres removed through an Equipped Dealer as described above. Cost around œ45 per wheel OR genuinely cut the tyres of and eliminate the protection inner rings with the useful resource of an attitude grinder.

The TPMS machine can be retained or eliminated and switched to prevent the light flashing on the dash..

Once tyres and rings have been removed normal tyres can be outfitted on a everyday tyre machine by means of any Tyre Dealer and any manufacturer can be used.

Insurance implications…

You notify your insurance plan business enterprise if you eliminate the BSR device and suit normal tyres.

No extra top rate is possibly as the vehicle will be as the state-of-the-art specification SR Rav4. IE no BSR gadget and a tyre restore kit in the boot.

It is viable to have the tyres and the BSR ring removed then refits the tyres but this will invalidate your insurance because the tyres have a image on the tyre wall which designates them as Run flats. Which of course without the BSR rings internal they are not! This could mean that a Driver who does not understand this could run into problems if a deflation happens and he or she consists of on driving…

Ride Quality

The wheels with the more weight of the BSR device and lubricating gel is massive in evaluation to a wheel fitted with a normal tyre.

The suspension has two elements to contend with:

The sprung weight. This is the weight of the Vehicle, Its occupants, Cargo etc.
The unsprung weight. This is the weight of the Wheels, Tyres, Brakes etc.

Relieving the suspension of the unsprung weight enables it to get on with the job of controlling the sprung weight. This adds up to a a long way a long way smoother trip except the crashing and thumping that the elevated weight of the BSR geared up wheels give. Remember the tyre partitions are Not reinforced..
The experience nice is MASSIVELY IMPROVED when the BSR is removed!!!

A consideration…

If trading in a BSR outfitted RAV to a Toyota Dealer one of the first questions asked will be does it still have the run flats?? Because if it does now not the auto has in their eyes been radically altered and cannot be bought beneath the Toyota approved car scheme.

Other sellers may or may not ask relying if they recognize about the existence of the machine in the first place…

Hope this helps

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