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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > Jack-point blocks DIY



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  Jack-point blocks DIY
c3uo
11-11-2006
I'll admit this is pretty lame, but I made some custom jack point blocks for my e90.

The blocks measure 2.25" x 1.25" to fit inside the jack points and are made of oak plywood (strong and won't crack).

I then cut some circular blocks to fit in my old floor...
  #22  
By txusa03 on 11-21-2006, 12:16 PM
Quote:
Originally Posted by obLu
Yah, I was going to say that's just a replacement jack point block. That doesn't actually fit inside the jack block, it *is* the jack block.
that is what it looks like to me to. +1
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  #23  
By Josh49 on 11-21-2006, 01:03 PM
Wanted to add the last missing dimension for anyone who wants to do this DIY. The height of the rectangular block I made was .75". It is just under .60, so if you're car is slammed and you're pushing the limits of getting a jack under, you could probably go .63. I had plenty of clearance (that jack goes down to just over 3.75), so I went for .75 to ensure I was resting metal on metal and not plastic on metal..

J49
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  #24  
By cm3rc on 11-21-2006, 02:14 PM
haha i did the same thing!!
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  #25  
By obLu on 11-21-2006, 02:39 PM
Quote:
Originally Posted by Josh49
Wanted to add the last missing dimension for anyone who wants to do this DIY. The height of the rectangular block I made was .75". It is just under .60, so if you're car is slammed and you're pushing the limits of getting a jack under, you could probably go .63. I had plenty of clearance (that jack goes down to just over 3.75), so I went for .75 to ensure I was resting metal on metal and not plastic on metal..

J49
Again, you need to make a couple of these up and sell them to e90post members. I've got a ghetto block of wood that I cut, but an aluminum adapter would be way nicer.
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  #26  
By taichimaster on 11-21-2006, 03:06 PM
Quote:
Originally Posted by obLu
Again, you need to make a couple of these up and sell them to e90post members. I've got a ghetto block of wood that I cut, but an aluminum adapter would be way nicer.
+1!
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  #27  
By treublue on 11-21-2006, 10:36 PM
what do you cut the hockey puck with?
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  #28  
By rkg on 11-22-2006, 01:07 PM
You guys have too much time on your hands. The baseball glove trick was told to me by a Sr. BMW tech, and I saw a lot of guys at the Porsche/BMW track days doing the same.
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  #29  
By txusa03 on 11-22-2006, 02:12 PM
I don't want to trust a BB gloves with my life. The gloves can slide. just my opinion.
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  #30  
By jrbmw on 11-22-2006, 02:27 PM
Quote:
Originally Posted by treublue
what do you cut the hockey puck with?
Preferably a powered band saw or a jig saw.
I had neither so I traced the dimensions on the puck and used a little muscle and a hack saw. Effective but it does require some time, patience and endurance as the rubber in the pucks is very dense (good thing for holding a car). If use the the jig saw or hacksaw method, make sure you have the puck well clamped on a table.
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  #31  
By Ghunger on 11-22-2006, 02:52 PM
Quote:
Originally Posted by txusa03
I don't want to trust a BB gloves with my life. The gloves can slide. just my opinion.
Not sure if I follow. If you're getting underneath your car you should have it on jackstands or rhino ramps not a jack. I'm pretty sure everyone was just talking about jacking up the car prior to doing any work on it.
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  #32  
By obLu on 11-22-2006, 03:01 PM
I've seen all manner of wacko things used at track days ... and I doubt very highly that the glove would slip at all. If anything I'm worried that these little jigs we're using are going to put strain on the crappy plastic jack block causing them to break and the car to slip that way.

But using a bb glove assumes that we've got an old bb glove to use. I'm not going out to buy one just to jack up my car. Too much work explaining it to the wife ....
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  #33  
By rkg on 11-23-2006, 05:15 PM
The glove is just nice because it becomes a think piece of leather that will not damage the jack point on the car and disperse the weight by using the exiting floor jack cup.

Head to any thrift store and you can pick up any glove for less then five bucks.
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  #34  
By Chuck_IV on 12-05-2006, 05:10 PM
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  #35  
By s4iscool on 12-06-2006, 08:47 PM
just bought the BMW ones for $5.75 each at Circle BMW
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  #36  
By tiga901 on 12-07-2006, 09:05 AM
Quote:
Originally Posted by s4iscool
just bought the BMW ones for $5.75 each at Circle BMW
part number please...
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  #37  
By s4iscool on 12-07-2006, 10:35 PM
this is what i got from some threads here: SUPPORT LIFTING PLATFORM 4 51717123311 When I gave that to the Circle parts guy, they just said ok, and said they had two left. Ill get them tomorrow and if there is a problem Ill post up.,
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  #38  
By Titania on 12-08-2006, 08:04 AM
Quote:
Originally Posted by s4iscool
this is what i got from some threads here: SUPPORT LIFTING PLATFORM 4 51717123311 When I gave that to the Circle parts guy, they just said ok, and said they had two left. Ill get them tomorrow and if there is a problem Ill post up.,
Please take some photos when you get them.

After looking at a parts diagram for the car, I'm fairly certain the part number you ordered is actually the plastic piece that's on the car, not something that will fit in it. But I'd loved to be proven wrong, as I'm also looking for something that will fit. http://www.realoem.com/bmw/showparts...65&hg=51&fg=80
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  #39  
By txusa03 on 12-08-2006, 08:47 AM
Titania, I think you are correct on that...
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  #40  
By s4iscool on 12-08-2006, 10:27 AM
lol, that will be crappy if that is the case. i will report back today!
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  #41  
By triton. on 12-08-2006, 07:42 PM
I posted this already on another thread but this is what you want. It's being sold at bavauto.com

51 71 8 268 885

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  #42  
By taichimaster on 12-09-2006, 01:08 AM
Quote:
Originally Posted by triton.
I posted this already on another thread but this is what you want. It's being sold at bavauto.com

51 71 8 268 885

Hi triton,

Can you confirm that the part as shown does indeed fit INSIDE the jack point block and NOT being jack block itself?

Thanks.
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  #43  
By s4iscool on 12-09-2006, 02:16 AM
confirmed that the parts I got are simply the jack points already on the car. So much for blindly following some posts btw, the car jacks up just fine with a std jack, te mount points just get deformed a tad. At least now I have some to replace with if needed.
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