How to Install AST Lowering Springs PART 1 | BMW G80 M3

We are finally lowering my G80 M3! In this video, I show you how to install AST lowering springs. This video is for the front only. The video for the rear is next, so stay tuned!
For the wheel well rivets, you'll need to buy the follow part number: 51-75-5-A38-3B7 blind compression rivets.
www.ecstuning.com/b-genuine-bmw-parts/blind-compression-rivet/51755a383b7/
Looking for a set of AST springs? Check out the Kies Motorsports link below!
www.kiesmotorsports.com/products/ast-suspension-lowering-springs-21-bmw-g80-m3-1
#AcceleratedMotion
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[@Datfoooo2541]

Thank you for doing this video. I was never able to find one in this detail.

[@accelerated_motion]

Glad I could help! I couldnt find an in depth video either, so that's why I decided to grab the camera!

[@michaelwear6565]

I panicked when my axle came out of the boot a bit. Glad to see you had the same issue. I thought about removing the nut to allow it a bit out in what I assume was splines, which might be a better way of doing it.

[@accelerated_motion]

It definitely feels weird if its your first time pulling an axel out. Fortunately, Ive experienced it before on previous cars, so I know how it feels and how to put it back into place. I thought about removing the nut you're referring to, but from everything I read, it was not necessary and seemed like one extra step. If I can avoid removing things, thats better in my opinion.

[@tonyt106]

Thanks for Another great and helpful video!!

[@accelerated_motion]

My pleasure!

[@proudsuperior]

I see you used the electric jack under the front rotor. What was keeping it from rotating, the emergency brake?

[@accelerated_motion]

The emergency brake is for the rear brakes. Technically nothing was keeping the rotor from rotating - the air jack was in the right spot so it wasnt going to move on me.

[@CarlosGonzalez-od5mf]

Curious, what did you use the strut spreader for if you never removed the strut itself? Did I miss that? Thanks for the content.

[@accelerated_motion]

I did not use the spindle spreader during my install since I did not remove the strut itself. I did mention it in the video just in case you wanted to remove the strut and do the work off the car. But if you do it the way I did it, then you dont need the spreader :)

[@rickycabanillas5253]

Was it actually necessary to remove the top hat? Couldn’t you just have removed the center nut and it would have brought the whole assembly down? Great video might tackle this on my x3. I assume it’s similar

[@accelerated_motion]

Not completely necessary to remove the top hat. The center nut is what matters the most. I removed just in case I needed more clearance when swinging the entire assembly out. But since I removed the plastic wheel wells, it was plenty of room. Imagine the X3 will be a similar process, so I would leave the top hat in place. Not a big deal to remove though, only 4 external torx bolts.

[@rickycabanillas5253]

@@accelerated_motionthank you for the quick response. Would you happen to have the torque specs handy? Many thanks in advance

[@accelerated_motion]

@@rickycabanillas5253 I don’t. I’d have to look them up but they would likely be different for your x3 anyway. I would check a forum for torque specs. That’s what I usually do.

[@BradB-jx8px]

Thanks for posting. How does this compare to the KW HAS in your opinion?

[@accelerated_motion]

I like the stance better on the AST springs, as they go lower than the KW HAS. However, I think the KW HAS feels better. A little less jarring than the AST. But both are great options. AST springs are obviously a cheaper option, so there are multiple factors at play.

[@yoe.garcia]

Any reason going ast springs only as HAS option like on the previous g80? AST are know for making some wierd noise.

[@accelerated_motion]

Just wanted to try something different on this car. Im trying to not build the same car as the previous blue G80. Also, the KW HAS did not go as low as I would have liked. The ASTs have been decent so far, but I am encountering some front drivers side noise. But I think its from the strut hardware, so I am going to replace those and see if it goes away. Otherwise, happy with the AST - the drop is perfect.

[@18zips80]

the early batches made noises cuz of the spring isolaters. they revised it and theyre noise free.