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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > How to drop the subframe?



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      04-26-2011, 10:48 PM   #1
blankstar43
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How to drop the subframe?

is there a DIY for how to drop our subframe in the front to install DPs?
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      04-29-2011, 08:42 PM   #2
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Quote:
Originally Posted by blankstar43 View Post
is there a DIY for how to drop our subframe in the front to install DPs?
It would have been nice to have one when I did mine last month. The basics are: get the front tires up on ramps; remove the shields underneath; unbolt the engine mount bolts; support the bottom of the engine; place jacks on both the left and front sides of the subframe; loosen and remove the four rear most subframe bolts; loosen but try not to completely remove the front two subframe bolts, lower the rear portion of the subframe as much as needed to work with the DPs. It is an extreme PITA to realign the subframe if you don't keep the two front bolts in. The engine mount bolts are also a PITA, because unlike engine mounts with built in studs, our engine mounts have a built in thread. The only thing aligning the engine mounts to the subframe are the bolts you end up removing.
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      05-01-2011, 01:17 AM   #3
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the whole process sounds pretty terrible without a lift lol
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