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      02-19-2013, 08:57 PM   #1
robc1976
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Drives: E90 335i
Join Date: Mar 2012
Location: Illinois

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DEFIV Differential Lock-Down DIY

Note: Not responsible for any damage to you or your car,

this worked on my car so will work on yours. Thi kit as been tested over and over countless hours by

Rick@DEFIV. If it doesnt fit you did something wrong.

***This tutorial assumes you know how to get your car secured on jack

stands, if in doubt do NOT attempt this DIY!

Suggestions:

Do NOT use a torch to remove bushings, it is not needed and can deform subframe amd make install of bushing

appear off...they are with in .001" tolerance. They fit PERFECTLY.

Notes:

*I assume you know how to take exhaust, panels ect off.
**The design off this product is the copyrighted by Rick@DEFIV.
***You can use a hole saw to pull out bushings instead of pipe if needed.

Here is the work of art, this kit really impressed me with how close everything fit....I can't imagine the testing

involved to get this to spec. Rick Has some of the best customer service in this bussiness period!



[/B]Removal of differential (I had mine out for wavetrac so I took as many pics as I could):[/B]










Removal of "Front" (smaller)bushings:








Removal of "Rear" (larger) bushing











Installing bushings


















Installing Diffetrential/half shafts and driveshaft back in car, some steps are left out since it is basically

reverse order:
















Note on driveshaft installation: Tighten in order below!
A. Insert nut
B. Guibo
C. Center support bearing








4th link bushing installation:











I hope this is of help to you guys!
__________________
JB4 G5, Stage 3 LPFP, Stage 2 MOTIV PI, VM 6466 ST, Custom OCC W/ SS lines, ER FMIC, ER CP W/HKS BOV, M3 control arms, M3 guide rods, M3 upper links, M3 front & rear sway-bars, HPA rear toe arms, Wavetrac LSD, HPF Gen 2, DEFIV kit, KW clubsport, Delrin solid SF bushings, stoptech rotors, Rogue Tranny Mounts, 1M bumper, M3 CF hood, M3 fenders, M3 OEM sideskirts, Mtech rear bumper, CSL trunk, MORR VS8.2 rims 245/295
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