E90Post
 


GTB Performance
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Is It Necessary To Bleed Brakes After Replacing Brake Pads?



Reply
 
Thread Tools Search this Thread
      08-26-2009, 06:07 PM   #1
hl0m4n
Brigadier General
hl0m4n's Avatar
United_States
386
Rep
4,861
Posts

 
Drives: BMW
Join Date: Nov 2006
Location: NY

iTrader: (42)

Question Is It Necessary To Bleed Brakes After Replacing Brake Pads?

after replacing brake pads, is it needed to bleed the brakes/change brake fluid or do i just need to bed in the new brake pads and g2g? help much appreciated. thanks.
__________________
Cars: 07 335i ► 09 328i ► 11 328xi ► 13 M3
Reviews: 335i Supersprint Exhaust, C/F Trim Wrap, Alcantara Boots, VMR V710, Saikou Michi OCC, Royal Steering Wheel
For Sale:
Want To Buy:
Appreciate 0
      08-26-2009, 06:37 PM   #2
Bubbles
Brigadier General
Bubbles's Avatar
Cayman Islands
86
Rep
3,560
Posts

 
Drives: Green Bastard
Join Date: Jun 2007
Location: Bishop Bend

iTrader: (3)

Quote:
Originally Posted by hl0m4n View Post
after replacing brake pads, is it needed to bleed the brakes/change brake fluid or do i just need to bed in the new brake pads and g2g? help much appreciated. thanks.
No, but it's ideal to bleed especailly if the fluid hasn't been changed. The wheels are already off so why not. For tracking, I'd rather spend the time to bleed the brakes than get a soft pedal.
__________________
Appreciate 0
      08-26-2009, 07:29 PM   #3
VMRWheels
BimmerPost Supporting Vendor
VMRWheels's Avatar
267
Rep
16,178
Posts


 
Drives: BMW
Join Date: Jun 2007
Location: Anaheim, CA

iTrader: (4)

Garage List
2014 BMW F22  [0.00]
2013 BMW F06  [0.00]
2013 BMW F30  [0.00]
Quote:
Originally Posted by Bubbles View Post
No, but it's ideal to bleed especailly if the fluid hasn't been changed. The wheels are already off so why not. For tracking, I'd rather spend the time to bleed the brakes than get a soft pedal.
Ditto! I would rather have a nice firm pedal feel to accompany my new pads. Anyway, it doesn't take much time either.

-Charles@VMRWheels
__________________

VMR | Wheels - Mitch A. | p. 714-442-7916 extension 107 | e. Mitch@velocitymotoring.com | ** VMR Holiday Special! **
Appreciate 0
      08-26-2009, 07:47 PM   #4
FCP Euro
Lieutenant
FCP Euro's Avatar
United_States
4
Rep
464
Posts

 
Drives: Volvo 850 T5
Join Date: Aug 2009
Location: Old Saybrook, CT

iTrader: (0)

What they said. Just make sure that when you bleed them, you use a good quality power bleeder. Not only will it make life easier, there is no way to get air in the system.
__________________

sales@fcpeuro.com
FCP Euro - European Car Parts Specialists
Appreciate 0
      08-29-2009, 07:20 AM   #5
chaz58
Captain
chaz58's Avatar
10
Rep
701
Posts

 
Drives: 328iT
Join Date: Oct 2007
Location: Detroit Burbs

iTrader: (0)

You don't have to, but...

If you press the piston back in without opening the bleeder valve you are pushing gunk upstream in the system which isn't particularly good (its not the end of the world, just not optimum).

If you open the bleeder valve (when compressing the piston), you need to bleed. Its a good idea to change the fluid every two years anyway...
__________________
_________________________________________________

Appreciate 0
      08-30-2009, 07:46 PM   #6
Lowcruzr
Colonel
Lowcruzr's Avatar
United_States
26
Rep
2,653
Posts

 
Drives: '07 E92 335, '99 Civic Si, BUB
Join Date: Feb 2009
Location: Rochester, NY

iTrader: (1)

Quote:
Originally Posted by Bubbles View Post
No, but it's ideal to bleed especailly if the fluid hasn't been changed. The wheels are already off so why not. For tracking, I'd rather spend the time to bleed the brakes than get a soft pedal.
Amen! You're already in there, so just bleed them as you go. It's super simple and definitely helps prevent boiling while on track by purging old fluid that has soaked up water over time.
__________________
'07 E92 335i |Crimson Red|Saddle|ZSP|ZPP|PDC|Heated|Logic|Step|Paddles|

Mods |Painted Kidneys|Black Lower Mesh Grills|Rho-plate|7500 GP Fogs|JB3 2.0|LED Tag Lights|Rear Fogs|And maybe some day an M3 Rear Spoiler|
Appreciate 0
      09-06-2009, 11:44 PM   #7
Perfectus
Major
Perfectus's Avatar
15
Rep
1,240
Posts

 
Drives: e92 335i
Join Date: Jun 2009
Location: NOVA/MD

iTrader: (10)

Anyone have a recommendation on a good power bleeder?
__________________
2007 e92 335i - Monaco Blue
ZPP, ZSP, iDrive, Comfort Access

Injen DCI w/ Cyba Scoop - M-Tech Rear - ///M3 Rear Lip Spoiler - ///M5 SMG Shift Knob & iDrive Knob - BMW Performance Hand Brake - BMWCCA Member
Appreciate 0
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
Forum Jump


All times are GMT -5. The time now is 02:22 AM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
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