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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Where do you place the Jack Stands?



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      09-01-2010, 01:21 AM   #67
Chriztofor
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See post 11 http://www.e90post.com/forums/showth...ght=jack+stand
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      11-17-2010, 02:18 PM   #68
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i've ran into this problem myself. i need to replace my rear rotors and pads and tried lifting the car with my hydraulic jack (pictured) by putting the jack under the jack point, well the jackpoint turned out to be plastic and hollow and you can see how the jack was damaging the plastic (pictured).

is the solution then to place the jack under the rear diff crossbar and then put the stands under these jack points (which i think will further damage them) or to place the jack stands as another member pictured here:
http://www.e90post.com/forums/showpo...4&postcount=53

any help would be really appreciated. i need to figure this thing out in the next day or two at the max since my pads really need to be swapped.

thank you all for contribution.
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      11-17-2010, 11:32 PM   #69
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Look in the DIY section. Search under "trolly" and you'll find the BMW TIS recommended lifting procedure for the E9x. I posted it there over a year ago.
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      11-18-2010, 01:37 PM   #70
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At one point someone on here was making the "hockey puck" that fits into the jack point and then sits in the top of your floor jack. I got one a few years ago, and it works great. The plastic jack point is replaceable, IIRC.
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      11-18-2010, 01:59 PM   #71
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Lots of solutions, I've used a block of wood in the past, although thats probably not the best. You can buy a fancy pants one from ECS for $25

You can replace them too if they get wrecked. BavAuto has em for $14 a piece
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      11-18-2010, 02:56 PM   #72
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thanks guys. i'll be trying a few different things this weekend and post the results.
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      11-18-2010, 03:40 PM   #73
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I have used my hydraulic floor jack on the plastic jack points without any problems. However, my jack has a rubber covering that may soften the contact a little, as opposed to the all metal one above.

I also try to raise it gently, as I often worry about cranking it up too fast and damaging the plastic jack points.
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      11-19-2010, 07:04 AM   #74
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I think the damage from using a floor jack on the lifting points (plastic block on the rocker panel) is caused by the jack not properly rolling under the jack point once you start lifting the car. Floor jacks are supposed to roll forward as the lifting plate (cup) moves upwards (because the arm actually swings in a very shallow arc). If the jack doesn't roll forward then the jack is actually pulling on the lifting point, which is a force the lifting point was not designed to take. The lifting point is meant to take force from the bottom and not the side. Floor jacks are really meant to be used on smooth garage floor concrete and they don't roll easily on other surfaces such as a roughed up driveway, or asphalt. One thing people ignor is floor jack maintenance. It's a good idea to lube the wheels with grease every so often so they roll easier.

Last edited by ENINTY; 11-20-2010 at 08:00 AM.
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