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View Full Version : Installing an E39 M5 trunk lip spoiler


Elvis530i
02-02-2007, 09:32 PM
Aha, you say, this needs a DIY? You'd think not, but more than one person in the E39 forum has done it only to report later that it somehow came off. So, since I did mine recently, and it's still there, I figured I'd post a how-to.

First, you need a trunk:

http://www.bimmerfest.com/photos/data/500/medium/trunklip0.jpg

It needs to be clean but not sterile. Typical quick detailing spray should be enough, unless you've waxed recently, in which case you should use a spray cleaner like Windex that will remove the wax. DON'T GET CARRIED AWAY WITH THIS. The use of petroleum distillates like acetone or turpentine is not a good idea, as they are notorious for leaving a residue that will attack the adhesive on the tape, and your spoiler will likely fly off at some point while you're barreling down the freeway. :mad:

Next, using some packing tape, position the spoiler on your trunk. Tape it down on the front only (you'll see why in a moment).

http://www.bimmerfest.com/photos/data/500/medium/trunklip1.jpg

Be as anal as you possibly can with this to be sure you've got it the way you want it. Run your fingers along the edges to be sure it's not sticking out anywhere it shouldn't be. Check it out from several angles to make sure it all looks straight. Then go get someone else to see what they think.

When you're satisfied, lift up one end and peel off the very end of the tape covering. Some of these spoilers have two strips of tape. If you've got one of those, as I did, peel off only one at a time, and start with the front one (if you start with the rear one, you won't be able to get at the tape in the front without pulling up all the packing tape).

http://www.bimmerfest.com/photos/data/500/medium/trunklip2.jpg

Then, keeping the spoiler down on the deck, slowly pull it back (not up) from under the spoiler.

http://www.bimmerfest.com/photos/data/500/medium/trunklip3.jpg

The tape will adhere instantly, so do it slowly and make sure it's not getting out of position. If there is a second strip of tape, lift up the end again and peel that one off too.

Press down firmly across the whole length of the spoiler to be sure you've got a good seal.

You're done. Enjoy! :thumbup:

http://www.bimmerfest.com/photos/data/500/medium/trunklip4.jpg

PropellerHead
02-02-2007, 09:38 PM
First, you need a trunk::rofl:

jnusser
02-16-2007, 02:27 PM
Nice :thumbup:

I would also add that you should only try this in temperatures above 60 degrees and make sure your car is parked in the sun to heat up the trunk before you start.

Also, after I installed mine, I taped the corners down for a few hours to make sure there was good adhesion.

rikwynn
03-23-2007, 03:05 PM
Is there a spolier like this for the E92 coupe yet? Like the look.

Elvis530i
03-23-2007, 04:26 PM
Is there a spolier like this for the E92 coupe yet? Like the look.

I'd check eBay. Xenonspecialist was the vendor I got it from.

Ågent99
10-13-2007, 08:33 PM
bump