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BMW M240i Sonoma 1:52 lap - Speedsf Track Day
Track and Build

This amateur racing driver has 20 recorded laps across 5 vehicles on LapMeta, averaging 4 laps per car. This balanced ratio suggests methodical track day participation where each platform receives meaningful attention while maintaining diversity enabling comparative understanding. Over three laps per vehicle allows progression beyond initial familiarization—first lap establishes basic characteristics, middle laps build confidence approaching limits, final laps reveal nuanced behaviors.

The 5-vehicle portfolio with over three laps per car enables meaningful comparative assessment revealing genuine performance characteristics while maintaining manageable variety for comprehensive automotive education. With 20 laps across 5 vehicles averaging 4 laps each, this driver demonstrates balanced approach combining selective platform development with portfolio diversity supporting comprehensive comparative vehicle dynamics understanding through systematic evaluation.

Località:
United States
Livello:
Amateur
Track and Build
Data Giro : 27 Sep, 2021
1min 52.9sec (-3.6s)
Temperatura Esterna: 22 ° C
Sonoma Raceway (Long Pre 2024)
BMW M240i F22 2019 (w/RC-1)
Medio
Pneumatico: 100 Victra RC-1
Dimensione Pneumatico: ANTERIORE: 235/40/18, POSTERIORE: 265/35/18
Pubblicato il 21 Aug, 2022

Did three 1:52.9xx laps in the day. In one of those laps I passed a car from inside of T6 exit which could be a 0.5s loss. Also I did not do well in smooth throttle control which can be further improved to get better corner exit. 

Tires are Maxxis RC1 235/40R18 front + 265/35R18 rear (2nd day) 
-3.5 front camber and -2.2 rear camber. Tire wear pattern still showed a little bit lack of camber. I would like to think the suspension is not stiff enough for these tires. Front tires are too tall (being 40 ratio) so it still rubs the fender a little at T6. Will run 245/35R18 or 255/35R18 in the future. 

Ordered 900 lbs/in rear springs to replace the current 565 lbs/in ones. Also ordered bucket seat to free my gorrila steering wheel grip in corners:)

Car: 2018 BMW M240i 6MT RWD (F22) B58 Gen1 engine

Full mod list:

Suspension
* Bilstein B16 DampTronic coilovers
* Turner F22 front/rear sway bars
* SPL front/rear control arms
* Solid rear subframe/diff bushings
* Vorshlag camber plates
Drivetrain
* M performance LSD for M240i
* Bootmod3 stage2 ACN91 tune with DP
Brake
* Stoptech cryo-treated slotted rotors 
* PFC08 pads
Wheel&tire
* Apex EC7 wheels: 18x8.5ET35 front (3mm spacer), 18x9.5ET58 rear (5mm spacer)
* Maxxis RC1 tires (100TW) : 235/40R18 front, 265/35R18 rear

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