H&R springs and 12/10 spacers installed - BMW M5 Forum and M6 Forums
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post #1 of 13 Old 11th March 2007, 01:43 AM Thread Starter
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H&R springs and 12/10 spacers installed

I decided to tackle the install using my friend's shop yesterday. Fortunately, he has a lift and a full set of tools, especially some specialty tools. Having done suspensions on E46 M3s and E39 M5s before, I figure I would have a pretty good idea of what to do and would be able to finish the job in a few hours.

Bad assumption. There were new obstacles that I hadn't encountered before, but luckily for me I had access to the TIS and was able to research the repair instructions as well as all tightening torques. In all, I probably spent 6 hours on the install. The first three were on the first corner alone!

Now that I have done the install, I think I can probably complete it in <4 hours, which seems to be the norm. I learned the tricks along the way to make life easier the second time around. It is always the longest the first time you tackle a job like this.

warning: If you don't have the tools and a lift, I would not recommend the install. Based on my experience (suspensions, brakes, clutch/flywheel, engine swaps), I would rate this with a 5 difficulty on a 10 scale. Not tricky, but time consuming. It is also necessary to have the tightening torques, as some bolts are stretch bolts and require an additional process.

The one process that I did and is not done by most installers is to jack each corner up to the intended ride height and then torque down the bushings. This way the bushings will not be preloaded when the car is lowered. You would be amazed at how much tension those bushings are capable of holding.

I also decided to use spacers: 12mm front and 10mm rear. They really push the OEM wheels out and fill the arches nicely.

Now onto what you've all been waiting for...... the pictures. Here are a few that I took today. The lighting wasn't the greatest, it was overcast and the sun was beginning to set. Enjoy!

'08 E90 M3

Last edited by HaroldC; 11th March 2007 at 01:45 AM.
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post #2 of 13 Old 11th March 2007, 01:52 AM
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damn harold !! looks real aggressive !!

i know your trying to get it all done before the meet but to do the install yourself..i would never ever...

im impressed !!

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Last edited by LI-M5; 11th March 2007 at 01:53 AM.
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post #3 of 13 Old 11th March 2007, 03:25 AM
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post #4 of 13 Old 11th March 2007, 04:56 AM
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Looks great Harold. Way more agressive. Did you get an alignment done yet? I am sure you know how important that is for tire longevity.


06 E60 M5 Black Sapphire Metallic/Black Leather/Carbon Fiber Trim

21" Hartge Classic II's, Yokohama Advan Sport 255/30 295/25, H&R Springs, Hartge Front Splitter & Rear Diffuser, SuperSprint X-pipe & Race Exhaust, AA ECU, BMC Air Filters, Dinan 3.91 Rear Differential, EvoSport Power Pulley System, LED Taillights, Carbon Fiber Kidney Grills, Carbon Fiber Side Grills, Carbon Fiber Lower Mirror Covers, Hartge Carbon Fiber Interior Trim, Hartge Carbon Fiber Steering Wheel, Hartge E-Brake Cover, Revozport Carbon Fiber Steering Wheel Insert, Revozport Carbon Fiber SMG Gearknob, Carbon Fiber Pedals, Hartge Floormats, AngelIBrights v2.0, 12% Tint, Hardwired V1, Nav-TV with DVD Player.
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post #5 of 13 Old 11th March 2007, 06:31 AM
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The car looks great and has such a more menacing stance now with the springs. Congratulations!

'01 Brushed Steel M5
AC Schnitzer:DFC suspension, anti-sway bars, pedals
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post #6 of 13 Old 11th March 2007, 09:27 AM
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Thanks for your post. I was just thinking about spacers--I love the factory wheels but I'm looking for that "stuffed fender" look without looking too aftermarket. Your pics put me over the edge. Order placed!

One comment I disagree with: I don't think you need a lift to install springs. I installed my Dinan springs in my garage, comfortably, with the car on jack stands. The job doesn't require any special tools beyond a spring compressor, so to anyone who has moderate experience working on cars and has a complete set of tools, it's not challenging.

But, I absolutely agree, it's critical to torque any suspension mounting point with a rubber bushing only once the car is at "empty weight" and level on the ground. If your installer does not do this you'll be back in six months for new bushings!

'07 M5 SMG
'97 993tt 2wd
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post #7 of 13 Old 11th March 2007, 12:37 PM
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. very nice job, I always envy you US-customers for not having to wear a front-plate, makes a huge difference imho


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post #8 of 13 Old 11th March 2007, 02:51 PM
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Originally Posted by HaroldC
Now onto what you've all been waiting for...... the pictures. Here are a few that I took today. The lighting wasn't the greatest, it was overcast and the sun was beginning to set.

And this is the only line I will take issue with. That is PERFECT lighting Car looks great (and your pics are better than 98% of the ones posted on here)

And not all US customers have the front plate deleted. I'm in NY too, and I have the front (we're supposed to). I didn't have it on my M3 and had way too many cop related headaches. They're annoying enough as it is without inviting them to ticket you further.

Last edited by glowrider; 11th March 2007 at 02:54 PM.
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post #9 of 13 Old 11th March 2007, 07:29 PM
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Very, very nice. Thanks for the pics. How is the ride, noticeably different or about the same?

06 M5 Black Sapphire/Black/Aluminum all options except rear door airbags and rear heated seats

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post #10 of 13 Old 11th March 2007, 08:20 PM
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Beautiful job! I have to say, I think the H&R springs and spacers as you've done them give the car the absolute best, most aggressive look of any spring/spacer combination. What your pic's show especially well is how the H&R springs even out the front and rear wheel well spacings, and make the car look more balanced front-to-back. Also the spacers fill out the wheel wells perfectly.

I'm really pleased with the ride and handling as well - good choice!

You will need to remove a tiny bit of material from the flange in the rear wheel wells ($100 at a good body shop) if you want to avoid rubbing with a full load.

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