DIY: Shocks install
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Joined: May 2004
Posts: 2,863
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From: SoCal San Diego
My Ride: 545i Sport
Model Year: 2004
Engine: N62
Tip: Found on Motortrend,R&T, C&D magazines.
Electric Impact Wrench $29.99 (Same as the Kawasaki model sold in Pepboys for $70+)
1.5T Aluminum Jack $59.00 Same as Pepboys Torin 1.5T aluminum jack.
I bought the Roller Cabinet too
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Electric Impact Wrench $29.99 (Same as the Kawasaki model sold in Pepboys for $70+)
1.5T Aluminum Jack $59.00 Same as Pepboys Torin 1.5T aluminum jack.
I bought the Roller Cabinet too
.
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Joined: Nov 2008
Posts: 112
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From: Norcal
Awesome DIY! It's great to see more and more writeups for working on these cars as they get a bit older.
Springs and shocks should be matched to each other for correct handling, so if you're going to stiffer (or softer) shocks, then you usually need to change the springs to match.
If you're just replacing a worn-out set of shocks with new shocks of the same type, you don't need to change springs. Springs don't really wear out, other than causing the ride height to drop slightly as they compress over the years. If they actually break you will know it.
Originally Posted by bmdavid79' post='1005686' date='Sep 12 2009, 12:19 PM
Is it always a good idea to replace the springs to, when replacing the shocks. I have a 2004 545, how do you know when to replace the springs. thanks
If you're just replacing a worn-out set of shocks with new shocks of the same type, you don't need to change springs. Springs don't really wear out, other than causing the ride height to drop slightly as they compress over the years. If they actually break you will know it.
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Joined: Feb 2009
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From: Irvine, CA
My Ride: Titanium Gray 550i, Cold Weather Package, Premium Sound Package, Sport Package, Shadowline trim, Parking Distance Conrol, Xenon, Adaptive Headlight Control, Navigation System, Satellite
Great DIY, Pare 
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Joined: Mar 2008
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From: Pearland, Texas
My Ride: 530I Silver gray with gray leather with Premium Package, Logic 7 Premium sound system with Ipod interface, xenon adaptive headlights, Active steering, Power retractable rear sunshade, Comfort seats, Cold weather package and M5 OEM 166 wheels, Sprintbooster. Ceramic Tint all around, Bilstein Sports shocks with Eibach springs, Brake performance Rotors and Axxis ceramic pads.
Originally Posted by Frank5er' post='1005746' date='Sep 12 2009, 04:01 PM
Great DIY, Pare