F30POST
F30POST
2012-2015 BMW 3-Series and 4-Series Forum
BMW Garage BMW Meets Register Search Today's Posts Mark Forums Read
BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > 2012-2019 BMW 3 and 4-Series Forums > Photo, Video, Media Gallery, Journals > TRKMODE F30 Journal
proTUNING Freaks
Post Reply
 
Thread Tools Search this Thread
      05-12-2021, 11:36 PM   #23
romemedrano
Second Lieutenant
83
Rep
252
Posts

Drives: BMW F30
Join Date: Oct 2019
Location: Bay Area

iTrader: (0)

Knocked out the F80 lower control arm (Delphi brand / rock auto $190 shipped with commifornia tax) today. First of , I highly suggest doing this with an alignment shop ready to roll! The toe gets completely fucked after changing the lower arm.

Install was easy but I do this for a living and have all the tools and equipment. Probably 30-40 minutes to knock it all out. Alignment spec attached, unfortunately I lost my last alignment spec so I'm not sure how much more camber it gave. Note, BMW KDS alignment machine reads in Degrees then Minutes. 60 minutes = 1 degree.

Alignment reading as is:

2015 335i RWD
Factory M Sport
6 speed Manual Transmission

Front:
-2.46(minutes) L
-2.33 (minutes) R
0.01 L
0.01 R

Rear:

-2.00 (minutes) L
-2.00 (minutes) R
0.01 L
0.01 R

Suspension: Feal coilovers 441 with 90% camber maxed out.

Before the balls busting happens on the big ass wing , I track this car. Still waiting on media from the event but below is best lap for the day:



Car understeers a bit still.... hopefully a bit more camber and more seat time I can get comfortable in the F30 again!
Attached Images
     
mgeller39.00
FaRKle!2386.50

      05-13-2021, 01:44 PM   #24
FaRKle!
Colonel
United_States
2387
Rep
2,642
Posts

Drives: '17 328d Wagon, '21 M2 Comp
Join Date: Sep 2016
Location: Bay Area, CA

iTrader: (2)

Garage List
Quote:
Originally Posted by romemedrano View Post
Car understeers a bit still.... hopefully a bit more camber
If you drop the front spring rate or increase the rear it'll improve the understeer nature. With the downforce from your wing I'd try upping the rear first if you like the support of a stiffer front.
__________________
-328d Wagon Build Log (with helpful reference links)
-My YouTube Channel for some of the best DIYs and in depth information

Please don't PM me for suspension recommendations unless interested in paid private consultations.
      05-13-2021, 05:28 PM   #25
saga boy
Enlisted Member
79
Rep
40
Posts

Drives: Melbourne red and Estrol Blue
Join Date: Oct 2017
Location: TN

iTrader: (0)

Sick build!
      05-14-2021, 08:34 AM   #26
romemedrano
Second Lieutenant
83
Rep
252
Posts

Drives: BMW F30
Join Date: Oct 2019
Location: Bay Area

iTrader: (0)

Quote:
Originally Posted by FaRKle! View Post
Quote:
Originally Posted by romemedrano View Post
Car understeers a bit still.... hopefully a bit more camber
If you drop the front spring rate or increase the rear it'll improve the understeer nature. With the downforce from your wing I'd try upping the rear first if you like the support of a stiffer front.
Quote:
Originally Posted by FaRKle! View Post
Quote:
Originally Posted by romemedrano View Post
Car understeers a bit still.... hopefully a bit more camber
If you drop the front spring rate or increase the rear it'll improve the understeer nature. With the downforce from your wing I'd try upping the rear first if you like the support of a stiffer front.

I think I need more spring on all 4 corners...

Waiting on the photos to come in but I'm on the ground a lot.... my splitter was scraping specially on turn2 😅
Attached Images
 
      05-14-2021, 09:38 AM   #27
FaRKle!
Colonel
United_States
2387
Rep
2,642
Posts

Drives: '17 328d Wagon, '21 M2 Comp
Join Date: Sep 2016
Location: Bay Area, CA

iTrader: (2)

Garage List
Quote:
Originally Posted by romemedrano View Post
I think I need more spring on all 4 corners...

Waiting on the photos to come in but I'm on the ground a lot.... my splitter was scraping specially on turn2 😅
Haha wow that's low! Why not just raise the front ride height a bit?
      05-15-2021, 08:43 AM   #28
romemedrano
Second Lieutenant
83
Rep
252
Posts

Drives: BMW F30
Join Date: Oct 2019
Location: Bay Area

iTrader: (0)

Photos came in! Car is really really heavy.... lol
Attached Images
   
mgeller39.00

Post Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -5. The time now is 04:36 PM.




f30post
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST