BigLex11

Howdy,
I am looking to upgrade my 2IS 350 F Sport's suspension but am having difficulty figuring out what would actually be an upgrade as most posts appear to be for 250/350's. I'm looking at the BC BR coil overs, model number R-02-RA as an option but am concerned as to whether this would actually be an upgrade given that they advertise the F sport as already having upgraded suspension. Has anyone installed these on their F sport? any recommendations or experiences?

I use this for a daily road car so I don't need it slammed or anything, just looking for a bit of a better experience through corners.

Thanks

EDIT: Also looking at the HKS COILOVER SUSPENSION FULL KIT HIPERMAX IV GT which seams to be a further step up if anyone has views on this.

Tangerr

I ironically also have a 2IS 350 F Sport and have been looking at options for upgrading suspension. I have a similar use case to you BigLex11. I don't plan on doing any track days with the car but would like a more confident corning ability and the ability to adjust ride height. I had been hearing nothing but rave reviews of the KW V3 Coilovers but have no personal experience or any coilovers for that matter. But my experience from people who own cars other than the IS they say the BC BRs are great if you are okay with a stiffer ride for the most part. Depending on how they work with the IS platform and what level of ride comfort you consider livable they may be perfect or a little overkill for stiffness.

AMIRZA786

I have a 2010 IS350 Sport (before F-Sport) that has slightly stiffer suspension than the regular IS350. Since you already have F-Sport suspension, coilovers are just going to make the ride way to stiff in my opinion. What I did to get better handling is I upgraded my sway bars to F-Sport Sway bars front & rear (if you have an F-Sport, you already have the upgraded sway bars), RCF front Lower Control Arm Bushings (makes steering, cornering and braking much better), changed out the stock PS ecu for a 2011 ISF PS ecu (better steering control, and upgraded VDIM), and added the ISF Steering damper, which adds weight to the steering and keeps the steering straight when hitting bumps and imperfections in the road.

Next year I plan to upgrade my suspension to F-Sport suspension

redspencer

iTrader: (1)

The factory-trim 2011-2013 IS350 F-Sport suspension utilizes a different set of shocks, springs, and sway bars compared to the TRD F-Sport shocks, springs, and sway bars that were available as Lexus OEM accessory upgrades.

This video provides additional info:

AMIRZA786

Thanks for sharing that! Unfortunately some of the F-Sport accessories for the 2nd gen were discontinued. For example the F-Sport brake and rotor upgrade