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Sonoma Raceway SpeedSF - Sep 20 2025 - BMW G20 M340i
chrispy
Location:
United States
Level:
Amateur
chrispy
Lap Date : 21 Sep, 2025
1min 48.891sec (-3.18s)
Outside Temp: 26 ° C
Sonoma Raceway (Long)
BMW M340i xDrive 2021 (chrispy/CRS)
Medium
Tire: 200 CR-S (CR-1)
Front Pad: CSG C21
Rear Pad : CSG C11
Tire Size: FRONT: 225/45/18, REAR: 255/40/18
Published on 21 Sep, 2025

Tires: CRS
Weather: Cool in the morning, got a bit toasty in the afternoon

Fun outing with the gang at norcal's best track. The spring problem from east a few weeks ago was the spring perch and coupler binding. The solution was to flip the stack so helpers are at the bottom where it can only bind with the preload collar. That one has a very short lip so there was no chance of binding. I was afraid I may have had to bow out of this event, but fortunately the replacement parts arrived on time. Skipped the first session due to instructor responsibilities, so I missed out on 1 of 2 supa cool sessions in the morning, but no big deal. I was driving a bit better as the day wore on, but overall grip was down. Still felt good though.

Harnesses (and halo) really shined here. I was way more in control and comfortable driving at the limit. I was more consistent and willing to use the exit rumble strips on the sketchier parts of the track. It felt great at east, but Sonoma really made them a game changer. Next event will likely be the 2-day event at east and west in October, so a bit of a break until then.

High 48s/Low 49s
12:42
16:12
21:46
41:25
43:16
45:05
46:55 should have been my fastest but bad throttle application on T11 exit ruined it

0:53 was that Roli's number that flew away? xD
2:17 it's rare that I get to pressure a c8
3:40 blue flag of shame
6:34 I had no choice
14:05 apexing T10 at almost 100 is a bit too much for me and my car
19:29 oh my 🙈 (backed off too late and too sudden)
21:04 fuel cut
24:44 another t7, another fuel cut
28:45 I had no choice
31:54 getting pressured by rcrew drivers is spooky
34:10 alright I just messed up here
36:55 could have made this way more fun but I was conscious of my wallet
48:32 I blame Joe and Tony for creeping up on me, causing me to slide the next few corners and ruining what would have been my best lap today :)

0:00 session 2
12:40 session 3
25:03 session 4
37:40 session 5

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