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The throttle is limited to 47% open only and the overall engine load stays at 65~65%. The throttle could be 89% and engine load with 90%+ normally. This happened to an owner on the track day three times already. The previous lap hit 180kph on the straight line but the Supra can only fo 156kph...

For owner who would like to extend the speed meter scale over 263kph This is hidden one under Z4 menu. Z4 → Instrument cluster → Expert mode → 3000 Anzeige_Konfiguration → BC_V_KORREKTUR → onhe_korrektur

Does anyone know the OBD2 PIDs for the "steering angle" and "brake pressure" of A90 Supra? I'd like to have Harry laptimer to log the steering angle and brake pressure. Toyota GR race recorder has a pretty nice UI. I created new UI template for RaceRender3. It would be nice If the steering...

This is for better tracking purpose to have this on the MKV forum. Many nice guys have suggestion about it on FB. It happened twice. The photos are from the first time. And it's bent yesterday. There's a BMW recall for tie-rod. I wonder if updated part can prvent this or not. Suggestions...

Hi guys, Does anyone know about the OEM stock spring rates? I have lowering RSR spring. I'd like to tune the EDC to stiffer around 20~30%. I wonder the OEM spring rate compares with lowing spring rate to determine how stiffer the EDC should be tuned. Thanks ~

I have RSR TI200 down spring installed. It works well on the track with suspension in sport mode. But I don't feel like the feeling on the street use. Does anyone know there's a way to code the electronic damer's setting? Does Supra have dynamic-electronic-damper or just normal...

Hi folks, Posted this for friends about their track day experience. I've heard this happened on 4 BM3 stg1/2 , 1 MGFlasher tuned and a local tuned B58 Supra so far. The symptom is the acceleration becomes slow. The straight line can't over 170kph on the track. It seems been started during...

Several owners aware of this symptom. It can be reproduced. I took a clip of the behavior. I wonder if this is a bad driving style or something not right with the Supra's throttle sensor. This happens on both stock or tuned B58 Supra. * Sport mode and stay on 3rd gear @3000+ rpm(The higher rpm...

Hi Guy, There're many tuning Kit and tuners. I'm interested in the difference between the programming kit and tuners. Hardware Mods Programing Kit Tuner Revision DynoJet Mustang dyno 60~130 mph0 100-200 kph 1/4 mile (400m) Comment Catted 50cpsi DP K&N drop-in EcuTek Visconti custom tune 2...

Hi Guys, I installed the RSR Ti2000 Down for my 3.0 Supra. There's a noticeable squeak noise while turning the steering wheel right. Thanks // Hugo

I used to install a cable from the cabin to the back of my car to record the exhaust sound by Gopro in the cabin with the external microphone. It helps to record great sound for track day recording. Any idea to setup the cable from the cabin to the rear number plate light slot?

Does anyone use Harry's laptimer with your Supra yet? May I know which OBD2 that you are using have a decent OBD2 rates for Harry's? The Tonwon BLTE works well for my Porsche 981 and Mazda. But when attach it to Supra, the update rate is pretty low even stick to 0. I wonder which BLTE OBD2...

Does anyone try to enable the SportPlus option for Supra yet? I'm curious what difference will it be. My Friend paid for it in a workshop to get it on. He told me the significant from the exhaust sound and the pops become more aggressively in the sport plus mode.

I believe everyone read the 2021 Supra dyno result for the B58M30O1 It's around 388whp which is awesome. The 2020 Supra stage 1 is between 387~402whp by various tuners. I read the G20 M340i which has the same powertrain as 2021 supra B58M30O1, it mentioned the stock dyno result is 346whp of...

It's common to have 400hp/55+nm with ECU tuning for Supra. The question here is the maximum torque capability of ZF 8HP51. Isn't the maximum only 51Nm? I believe most of tunned MKVs have way more torque than 51NM tho. Does it mean the actual boundary is much higher than ZF claimed?

Hi folks, The mod db is awesome in the forum. Most of the items are fitted with US-spec Supra perfectly I believe. The problem is we have Euro spec with OPF version here. I'm looking for catted downpipe which works well with bootmod3 tune. Does any recommendation from Euro spec owner...