R56 Hateful little devil car... Any tips on front strut installation?
#1
Hateful little devil car... Any tips on front strut installation?
I am so over the engineering on these cars. It seems like every time I go to do a basic repair job, my '11 Hardtop fights me the entire time. Brakes? 2 days. Suspension? Don't know, I'm not finished yet. After finally getting an incomplete order fixed (a month later) from an unnamed forum sponsor, I started doing some suspension work this weekend. I've had the car since December, and apparently the previous owner wasn't big on routine maintenance. I fixed the worn out pads and rotors, but noticed that I had some pretty bad cupping on the rear tires. I took it in for an alignment and diagnostic check at a reputable Euro service shop in the area. They advised me to replace the struts, bump stops, etc. as they appeared to be worn out (at 60k miles). I ordered a set of Bilstein OEM type replacements (I know everyone recommends FSDs, but frankly it's a commuter car, and at this point I am so over it that I don't care). I figured while I was in there, I would do rear control arms as well, since that gets most of the moving parts on the rear that would affect alignment.
Started at the rear on Saturday. The struts weren't bad, but the subframe bolts on those control arms are something else! I'm not sure what good the cutout on the subframe is, when the fuel tank is just a couple of mm away! Finally got the rear done on Sunday night. No problemo, I thought. I'll get the front struts on Monday night, then off to the tire shop for new treads and and alignment. The car had other plans. I'm not sure which genius in Deutschland had the brilliant idea to design the front suspension in that manner, but it sucks! The how-to on Pelican Parts suggests unbolting the ball joint, but the wheel assembly flops around so much that it's nearly impossible to wrestle into place for assembly. I fought the wheel spindle assembly for over an hour, trying to get it to seat on the strut. I finally sanded the powdercoat slightly, and greased the snot out of it, which convinced it to mate up. I don't think that I should have needed to sand the powdercoating, but at 2am you just want to be finished. 4 hours in the garage last night, and I got one strut assembly installed. Had to call the shop this morning and reschedule tire installation and alignment for (hopefully) tomorrow...
That's the background, now here's the questions: Does anyone have any tips and tricks that you've found make front strut installation go a bit smoother? I think I figured out a few last night, but I'm curious to see what others have done. Is it necessary to unbolt the ball joint, or can I manage it without?
Thanks for any assistance. I wouldn't be asking, but I had literally zero inquiries when it was for sale for 2 months, and my wife says I can't light it on fire. Worst automotive decision ever.
-Chris
Started at the rear on Saturday. The struts weren't bad, but the subframe bolts on those control arms are something else! I'm not sure what good the cutout on the subframe is, when the fuel tank is just a couple of mm away! Finally got the rear done on Sunday night. No problemo, I thought. I'll get the front struts on Monday night, then off to the tire shop for new treads and and alignment. The car had other plans. I'm not sure which genius in Deutschland had the brilliant idea to design the front suspension in that manner, but it sucks! The how-to on Pelican Parts suggests unbolting the ball joint, but the wheel assembly flops around so much that it's nearly impossible to wrestle into place for assembly. I fought the wheel spindle assembly for over an hour, trying to get it to seat on the strut. I finally sanded the powdercoat slightly, and greased the snot out of it, which convinced it to mate up. I don't think that I should have needed to sand the powdercoating, but at 2am you just want to be finished. 4 hours in the garage last night, and I got one strut assembly installed. Had to call the shop this morning and reschedule tire installation and alignment for (hopefully) tomorrow...
That's the background, now here's the questions: Does anyone have any tips and tricks that you've found make front strut installation go a bit smoother? I think I figured out a few last night, but I'm curious to see what others have done. Is it necessary to unbolt the ball joint, or can I manage it without?
Thanks for any assistance. I wouldn't be asking, but I had literally zero inquiries when it was for sale for 2 months, and my wife says I can't light it on fire. Worst automotive decision ever.
-Chris
Last edited by I_am_not_the_stig; 07-17-2018 at 07:33 AM. Reason: Paragraphs!
#2
#3
Should I use a screwdriver or small pry bar to slightly (and gently) open up the gap in the spindle? That might give it a couple of extra thousandths clearance. The pinch bolt will draw it back in when I torque it. Speaking of, does anyone have the torque spec (for the pinch bolt)? I couldn’t find it last night, but did find it for Gen 1. It looks like the spec on the Gen 1 cars is 60 lb/ft. Did that remain the same on the Gen 2 cars?
#4
#5
Thanks, Walnuts. I will give it a shot tonight when I get back on it. Hoping to get into bed before 2am tonight. Work is a little rough today!
#6
#7
That's for sure! I've been working on my own junk for about 20 years (including several Volvos, a Mercedes, trucks, Dodge Magnum, 1965 Nova, 1964 Chevy C10, a Honda and more), and this is the steepest learning curve I've ever encountered. I think that the timing belt on our old Volvo S60 was easier than the suspension on my Mini. You are right about working from stands/on your back. The older I get (I'm only 36) the worse it sucks! A nice shop with a lift is on the agenda, but I haven't quite gotten there yet. I'm also guessing that Mini has a ton of specialty tools, that I just don't have access to. I'm pretty well equipped, and generally have any tool I need, but man! I think I need to make friends with a little person, just so I can borrow their hands to reach into some of the places on this car (connectors for the brake pad wear sensors!).
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#8
You had trouble seating the strut into the hub? Mine was a little stuck, so I just put a jack under the hub assembly and lifted the car and wiggled the strut around till it popped on. Make sure the little tab on the strut is aligned with the slot or it will stop on that. Not sure if gen 2 is the same, but I have a gen 1.
To remove it, I sprayed a penetrating lube around the strut the night before and mine came right off. Not sure if they were stuck to start with or not. I only have 50k miles, but my struts had also failed.
BTW a spring compressor helped a lot. I didnt need it when I put the megans ON, but I needed it for getting the OEM assemblies off and the FSD's on which were stock height.
To remove it, I sprayed a penetrating lube around the strut the night before and mine came right off. Not sure if they were stuck to start with or not. I only have 50k miles, but my struts had also failed.
BTW a spring compressor helped a lot. I didnt need it when I put the megans ON, but I needed it for getting the OEM assemblies off and the FSD's on which were stock height.
#9
You had trouble seating the strut into the hub? Mine was a little stuck, so I just put a jack under the hub assembly and lifted the car and wiggled the strut around till it popped on. Make sure the little tab on the strut is aligned with the slot or it will stop on that. Not sure if gen 2 is the same, but I have a gen 1.
To remove it, I sprayed a penetrating lube around the strut the night before and mine came right off. Not sure if they were stuck to start with or not. I only have 50k miles, but my struts had also failed.
BTW a spring compressor helped a lot. I didnt need it when I put the megans ON, but I needed it for getting the OEM assemblies off and the FSD's on which were stock height.
To remove it, I sprayed a penetrating lube around the strut the night before and mine came right off. Not sure if they were stuck to start with or not. I only have 50k miles, but my struts had also failed.
BTW a spring compressor helped a lot. I didnt need it when I put the megans ON, but I needed it for getting the OEM assemblies off and the FSD's on which were stock height.
#11
Thanks all for the replies and tips. I just finished torquing the ball joint back to spec. Just gotta throw the wheels back on it, get it on the ground, and take a freakin shower. It’s like 110% humidity in NC right now. Second one had the exact same trouble with seating the strut. Where the wheel hub was scraping the powder coating away, I could feel a good sized ridge with my fingernail. Sanded the powder coating down, greased it up, and got it on. Much faster this time around, but I’m really wondering if Bilstein didn’t go too heavy on the coating. It is plastic, and will add a couple of thousandths or more, depending on how thick it is. The strut is pretty much an interference fit, so I’m wondering what kind of impact that might have. Thanks again, and have a great night!
#15
sounds like you needed one of these: https://www.ecstuning.com/b-schwaben...-tool/scw3435/
-Chris
#17
BTW - I'll add my own tip in here. If you have gotten the wheel hub to slip over the strut, but find that the tab that goes into the slot has rotated a few mm to one side or another, a little love tap with a deadblow hammer will rotate the strut just enough to cause it to drop in. Next time I'm at a dealership, one of the questions will be, "Does it have upper control arms?"
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