3rd Gen FAQs 3rd Gen Common Questions & Answers!

Powerflex Engine Support Bushing Install

Thread Tools
 
Search this Thread
 
  #1  
Old 03-08-2018, 08:36 AM
Mini_Vinnie's Avatar
Mini_Vinnie
Mini_Vinnie is offline
Moderator
Thread Starter
iTrader: (1)
Join Date: Feb 2016
Location: Minneapolis, MN
Posts: 1,571
Received 265 Likes on 209 Posts
Powerflex Engine Support Bushing Install

I will try my best to remember the steps to replace this engine mount bushing. Its been a while

Overall, on a scale of 10 (10 being the hardest), Id rank the install a 4. Its a very simple install but could take you 5 minutes or 50. The stock bushing is stubborn to get out!

The purpose of the Powerflex engine support bushing is to help reduce the deflection the engine makes, especially when shifting. Basically, a stiffer bushing = crisper shifts ..... but the potential for increased cabin noise and vibration.

I detailed that here - Powerflex Bushing - Race vs. Sport Review

We are going after bushing #20 on the diagram:




Steps to replace the engine bushing:

- Raise Mini - I got all 4 wheels off the ground but you can easily get by with just the front up. Lift it pretty high because you are going to be around the middle of the car for the bushing

- Remove skid plate - Once you get it off, the bushing is really easy to get to. It's basically right behind the engine and will look something like this:



- Remove star bolt - I apologize but I cant remember the size of the head for the bolt. Once it unscrews, pull it completely out. (This picture is with the PF bushing in, but gives you an idea of the star bolt)



Now, the fun part, getting the stock bushing out..........

- Patience - Like I said, this part could take 5mins or 50. Now that the bolt is out, I pulled on the support and rotated it down then braced it with a screwdriver so I could get to the bushing. There are holes on the stock bushing so I put another screwdriver in the hole and literally started pulling.

The stock bushing is very flimsy so I was able to get it to pull through a little at a time but it is really in there. I tried WD-40, PB Blaster, and good old-fashioned muscle. Finally, after close to giving up hope, I got the stock bushing out! (Mine took about 30mins)

You arent going to reuse this bushing so basically, do what you need to do to get it out; heat, cut, pound etc...



- Installing New Bushing - After the devil made OEM bushing is out, the hard part is done! Installing the new bushing is simple. Grease the bushing with the supplied grease, insert one side with the silver sleeve, insert the other side and squeeze them together. The more grease, the easier it will be to install.





Run the star bolt through and tighten. Reinstall the skid plate, lower the Mini and drive!

DONE

Optional part - The new bushing comes with a black insert that will increase the stiffness so you can put it in or not. It will also add to the potential vibration though. I installed mine and didnt regret it.

Questions, let me know!


 

Last edited by Mini_Vinnie; 03-08-2018 at 09:22 AM.
The following 8 users liked this post by Mini_Vinnie:
aubcar (03-08-2018), CallMeRacerB (08-07-2018), dannieh42 (01-17-2022), ECSTuning (05-16-2019), jpbpe (09-25-2018), Minibeagle (03-08-2018), Nishantrivedi (07-10-2019), Zix (10-21-2018) and 3 others liked this post. (Show less...)
  #2  
Old 03-08-2018, 08:56 AM
vetsvette's Avatar
vetsvette
vetsvette is offline
Moderator
iTrader: (5)
Join Date: Oct 2013
Location: South Central Virginia
Posts: 3,896
Received 450 Likes on 343 Posts
Great writeup Vinnie!
 
The following users liked this post:
Mini_Vinnie (03-08-2018)
  #3  
Old 03-08-2018, 09:05 AM
WayMotorWorks's Avatar
WayMotorWorks
WayMotorWorks is offline
Vendor
iTrader: (10)
Join Date: Jul 2006
Location: Atlanta, GA
Posts: 10,557
Received 755 Likes on 617 Posts
Thanks we have installed many of them so we keep them in stock as they really make a nice improvement.
 
__________________


HOTCHKIS | DDM | CRAVEN | AKRAPOVIC | NM ENGINEERING | MEGAN | FORGE | IE | OS GIKEN | POWERFLEX and more
  #4  
Old 03-08-2018, 08:21 PM
GPMini's Avatar
GPMini
GPMini is offline
2nd Gear
Join Date: Jan 2014
Location: Newberg, OR
Posts: 146
Received 11 Likes on 10 Posts
Nice! Got bushings in waiting for both our cars. Always good to have an idea of what to look forward to first. Thanks!
 
  #5  
Old 03-09-2018, 05:50 AM
Mini_Vinnie's Avatar
Mini_Vinnie
Mini_Vinnie is offline
Moderator
Thread Starter
iTrader: (1)
Join Date: Feb 2016
Location: Minneapolis, MN
Posts: 1,571
Received 265 Likes on 209 Posts
Originally Posted by GPMini
Nice! Got bushings in waiting for both our cars. Always good to have an idea of what to look forward to first. Thanks!
You will be a master by the 2nd car
 
  #6  
Old 07-28-2018, 09:06 AM
cmdycrzr's Avatar
cmdycrzr
cmdycrzr is offline
2nd Gear
Join Date: Oct 2007
Posts: 133
Received 11 Likes on 5 Posts
Is it recommended to replace all bushings with polyurethane at the same time? I have an F56S with a torn engine mount and was thinking of replacing it with a polyurethane one rather than OEM...thoughts?
 
  #7  
Old 07-29-2018, 04:43 AM
Mini_Vinnie's Avatar
Mini_Vinnie
Mini_Vinnie is offline
Moderator
Thread Starter
iTrader: (1)
Join Date: Feb 2016
Location: Minneapolis, MN
Posts: 1,571
Received 265 Likes on 209 Posts
Originally Posted by cmdycrzr
Is it recommended to replace all bushings with polyurethane at the same time? I have an F56S with a torn engine mount and was thinking of replacing it with a polyurethane one rather than OEM...thoughts?
If I was in your situation I would definitely use aftermarket ones. They will be a lot better than stock ones, and considering your stock one already ripped, it might be a good indication how flimsy stock parts are
 
  #8  
Old 07-30-2018, 04:56 AM
Clutch Wotan's Avatar
Clutch Wotan
Clutch Wotan is offline
5th Gear
Join Date: Sep 2014
Location: Germany Hamburg
Posts: 654
Received 157 Likes on 120 Posts
the best about it, it takes 1o minutes.

I just changed to power flex back, its a difference, however you have accept some vibrations
 
  #9  
Old 08-06-2018, 06:24 AM
spotted's Avatar
spotted
spotted is offline
2nd Gear
Join Date: May 2016
Posts: 77
Received 18 Likes on 12 Posts
I get the vibrations from installing this but has anyone been getting the shakes? I had my front wheels balanced thinking that was causing the shakes but it didn't stop the shakes. Next I'm going to get a front wheel alignment. I noticed these shakes since its been worse since it's been warmer out.
Just trying to pin point the problem. Been hearing to get your tires balanced, get a wheel alignment, get new front tires. Got the tires back in March of last year (2017). Was told the tires look brand new but they have at least 20K miles on them.
 
  #10  
Old 08-07-2018, 06:10 AM
Mini_Vinnie's Avatar
Mini_Vinnie
Mini_Vinnie is offline
Moderator
Thread Starter
iTrader: (1)
Join Date: Feb 2016
Location: Minneapolis, MN
Posts: 1,571
Received 265 Likes on 209 Posts
Originally Posted by spotted
I get the vibrations from installing this but has anyone been getting the shakes? I had my front wheels balanced thinking that was causing the shakes but it didn't stop the shakes. Next I'm going to get a front wheel alignment. I noticed these shakes since its been worse since it's been warmer out.
Just trying to pin point the problem. Been hearing to get your tires balanced, get a wheel alignment, get new front tires. Got the tires back in March of last year (2017). Was told the tires look brand new but they have at least 20K miles on them.
Nope, no shakes by any means.
 
  #11  
Old 08-07-2018, 07:23 PM
spotted's Avatar
spotted
spotted is offline
2nd Gear
Join Date: May 2016
Posts: 77
Received 18 Likes on 12 Posts
Originally Posted by Mini_Vinnie
Nope, no shakes by any means.
Cool. Just trying to pin-point where and what the problem is.
 
  #12  
Old 08-08-2018, 05:27 PM
WayMotorWorks's Avatar
WayMotorWorks
WayMotorWorks is offline
Vendor
iTrader: (10)
Join Date: Jul 2006
Location: Atlanta, GA
Posts: 10,557
Received 755 Likes on 617 Posts
Originally Posted by cmdycrzr
Is it recommended to replace all bushings with polyurethane at the same time? I have an F56S with a torn engine mount and was thinking of replacing it with a polyurethane one rather than OEM...thoughts?
For sure if you tore the stock ones go with the powerflex so you don't have to worry about it again
https://www.waymotorworks.com/powerf...g-f55-f56.html
 
__________________


HOTCHKIS | DDM | CRAVEN | AKRAPOVIC | NM ENGINEERING | MEGAN | FORGE | IE | OS GIKEN | POWERFLEX and more
  #13  
Old 08-10-2018, 02:17 PM
nclorax's Avatar
nclorax
nclorax is offline
2nd Gear
Join Date: Feb 2006
Posts: 60
Received 11 Likes on 10 Posts
One other thing about Powerflex is they are a very responsive company. Sent a request for product decals to vendors of products I have on my car and within a day Powerflex responded and within a week I had the decals.
 
The following users liked this post:
WayMotorWorks (09-26-2018)
  #14  
Old 08-14-2018, 06:23 PM
spotted's Avatar
spotted
spotted is offline
2nd Gear
Join Date: May 2016
Posts: 77
Received 18 Likes on 12 Posts
Originally Posted by Mini_Vinnie
Nope, no shakes by any means.
Found out what the shaking was. I had the green Slime from that flat tire repair system in the tire. It gooped all up and became hard causing an improper balance in the car.
 
  #15  
Old 08-15-2018, 05:49 AM
Mini_Vinnie's Avatar
Mini_Vinnie
Mini_Vinnie is offline
Moderator
Thread Starter
iTrader: (1)
Join Date: Feb 2016
Location: Minneapolis, MN
Posts: 1,571
Received 265 Likes on 209 Posts
Originally Posted by spotted
Found out what the shaking was. I had the green Slime from that flat tire repair system in the tire. It gooped all up and became hard causing an improper balance in the car.
Wow, crazy!
 
  #16  
Old 09-25-2018, 12:13 PM
jpbpe's Avatar
jpbpe
jpbpe is offline
1st Gear
Join Date: Sep 2018
Posts: 20
Received 1 Like on 1 Post
Thanks Vinnie for that Outstanding post on the bushing install. Might just do it today...jim
 
The following users liked this post:
Mini_Vinnie (09-25-2018)
  #17  
Old 09-26-2018, 10:35 AM
J_L's Avatar
J_L
J_L is offline
5th Gear
iTrader: (1)
Join Date: May 2014
Location: Los Angeles
Posts: 644
Received 114 Likes on 86 Posts
My short tips on this install...

Don't try to use a regular 6 or 12 sided socket on that star bolt. Get a star set, OR something like the crescent x6 socket set.

I got the OEM bushing out easily on a bench vise. Found some hard objects of the right size to support either side, and just squeezed... popped out pretty easily.
 
  #18  
Old 09-26-2018, 01:48 PM
jpbpe's Avatar
jpbpe
jpbpe is offline
1st Gear
Join Date: Sep 2018
Posts: 20
Received 1 Like on 1 Post
Thanks J_L I have a star set...I like the vise idea.
 
  #19  
Old 05-16-2019, 10:32 AM
G26okie's Avatar
G26okie
G26okie is offline
2nd Gear
iTrader: (1)
Join Date: Jul 2018
Posts: 113
Received 45 Likes on 25 Posts
Sorry to bump an old thread, but does anyone know the torque specs for the rear motor mount? Going to be installing the powerflex bushing soon.

Thanks.
 
  #20  
Old 05-16-2019, 11:22 AM
Mini_Vinnie's Avatar
Mini_Vinnie
Mini_Vinnie is offline
Moderator
Thread Starter
iTrader: (1)
Join Date: Feb 2016
Location: Minneapolis, MN
Posts: 1,571
Received 265 Likes on 209 Posts
I "think" it was 50ft lbs
 
  #21  
Old 05-16-2019, 11:40 AM
ECSTuning's Avatar
ECSTuning
ECSTuning is online now
Platinum Sponsor
Join Date: Jan 2013
Location: Wadsworth, Ohio
Posts: 34,787
Received 1,965 Likes on 1,765 Posts
Just saw this, nice job Vinnie!
 
__________________

MINI Guru/ MINI Owner Since 2004 | NEW Lifetime Part Replacement | Local Pickup
Milltek | Genuine MINI | Forge Motorsport | NM Engineering | ECS Performance | M7 Speed
Customer Service Hours: 8am-8pm EST|Sales Team Hours: 8am-11pm | SAT 10am-7pm 800.924.5172
The following users liked this post:
Mini_Vinnie (05-17-2019)
  #22  
Old 05-16-2019, 07:21 PM
N0B0DY's Avatar
N0B0DY
N0B0DY is offline
4th Gear
Join Date: Sep 2018
Posts: 395
Received 104 Likes on 78 Posts
74 LB FT or 100 NM
 
  #23  
Old 05-16-2019, 08:53 PM
vetsvette's Avatar
vetsvette
vetsvette is offline
Moderator
iTrader: (5)
Join Date: Oct 2013
Location: South Central Virginia
Posts: 3,896
Received 450 Likes on 343 Posts
Crank on it 'til it strips, then back off a quarter turn...
No. Don't do that.
 
  #24  
Old 02-16-2020, 04:07 PM
DunkM's Avatar
DunkM
DunkM is offline
4th Gear
Join Date: Nov 2015
Location: Pittsburgh, PA
Posts: 351
Received 60 Likes on 51 Posts
Installed this today, all 3 bolts mounting the engine support are e16s, the nut doesn’t come off.

Also, pulling the whole thing out and using a gear puller to push out the bushing worked perfectly.
 
The following users liked this post:
ECSTuning (02-25-2020)
  #25  
Old 03-06-2020, 07:08 AM
Warren2185's Avatar
Warren2185
Warren2185 is offline
3rd Gear
Join Date: Oct 2018
Location: Central Florida
Posts: 163
Received 35 Likes on 29 Posts
Originally Posted by DunkM
Installed this today, all 3 bolts mounting the engine support are e16s, the nut doesn’t come off. Also, pulling the whole thing out and using a gear puller to push out the bushing worked perfectly.
Glad I read your post before doing mine yesterday. I put my wrench on the nut and said..."Wait, this is the one that doesn't come off" so I moved on to the torx part. I also removed it entirely and used a gear puller too.

Vibration: For me, with the two black inserts, the vibration was too much. It only showed up as I decelerated to a stop. So I pulled them out and I feel zero additional vibration from factory.
 


Quick Reply: Powerflex Engine Support Bushing Install



All times are GMT -7. The time now is 04:35 PM.