[ASV731]

Hey guys, my carbon fiber rear trunk spoiler from Bimmian.com came in last week and I just got around to installing it. It was a relatively easy install and just required a few basic materials (hairdryer, tape, sharp knife or scissors) and some patience.

1. First thing you should do is wash the end of your trunk with soap and water to get rid of any dirt or debris to ensure a better bond. Dry with a microfiber cloth, shammy towel, etc.

2. The next step is to take isopropyl alcohol, the higher the alcohol percentage, the better. Take a clean microfiber cloth and apply some alcohol to it and wipe down the edge of your trunk where the actual spoiler will sit. This removes any existing wax so the double-sided tape will stick better.

3. Next, you need to apply the double sided tape to the spoiler itself. I used 3M automotive tape, but any quality double sided tape from 3M should work. Generally, the acceptable tapes have a red backing.






Apply the tape to the areas of the spoiler where it comes in direct contact with the trunk, it is important to make sure the edges are well taped. Keep in mind that some spoilers may come in contact with the trunk at different places.







4. Place the spoiler on the trunk in the correct location. For my specific spoiler, there was a grove molded into it that fit flush with the corner of my trunk lid.

After placing the spoiler where you want it, place several pieces of masking tape around the spoiler to mark its location. Make sure that there is an even gap between the edge of the trunk and the edge of the spoiler on both sides.

After placing the tape, place a couple of pieces of tape connecting the front of the spoiler directly onto the trunk, then draw a line with a pen or marker going down the length of the tape. Then separate it where the tape meets the spoiler. When you install the spoiler, you will use these markings to line up the spoiler accordingly





5. After getting the placement correct, take a hair dryer (or if you're careful a heat gun would work) and warm up the surface of the trunk edge. It does not have to be hot, just warm to the touch. Next use the hair dryer on high heat to heat up the tape, the acrylic based tape will heat up quickly. This step makes the tape more pliable as well as more adhesive.

6. Next, take off the red backing of the double sided tape and CAREFULLY line up one side of the spoiler to your marked placement on the trunk. ONCE THE TAPE MAKES CONTACT WITH THE TRUNK, IT IS EXTREMELY DIFFICULT TO LIFT BACK UP OR REPOSITION. After you have one side down, slowly make your way down the length of the spoiler by carefully pressing down.

7. After, the spoiler is installed, an additional step would be to use masking tape to apply pressure onto the spoiler overnight. This allows the tape to reach its maximum adhesion strength. Note that it is critical that you do not tape from the center lip of the spoiler to the back of the trunk, you want the front edge of the spoiler to stay as planted to the trunk as possible.







8. After the tape has had time to settle, gently remove the remaining masking tape and stand back to admire your work. I will post some more pictures of the spoiler when the weather clears up.

[steveMizdaman]

Looks great...nice job and great write up. I just received my M performance rear spoiler, I went with flat black though and got a really good deal and was able to use a promo code on the item. I am not sure how I feel about leaving the tape on the finished produ t after its installed mainly due to it being flat black I dont want to have all glue stains from the tape. Thanks again!

[ASV731]

Originally Posted by steveMizdaman

Looks great...nice job and great write up. I just received my M performance rear spoiler, I went with flat black though and got a really good deal and was able to use a promo code on the item. I am not sure how I feel about leaving the tape on the finished produ t after its installed mainly due to it being flat black I dont want to have all glue stains from the tape. Thanks again!

The masking tape didn't seem to leave any glue residue, but that was on clear- coated carbon fiber. I'm not sure if the flat black will be any different. The step was not really necessary anyways, some people do it, others don't.

[steveMizdaman]

Yea it's def bc the cf has the clear coat over it.


I may place a light drop cloth over it then taken the entire thing down.

[euro-r]

Nice, do you have any installed pictures?

[EHDEN]

looks good! great write up!

[Busa1]

The spoiler looks great. I'm thinking of getting this for my 435 instead of an M3 lip. How was the quality and fit on the car. Did you get the twill (2x2) Was Bimmian good to deal with?

[ASV731]

Originally Posted by TP71

The spoiler looks great. I'm thinking of getting this for my 435 instead of an M3 lip. How was the quality and fit on the car. Did you get the twill (2x2) Was Bimmian good to deal with?

The fit was fantastic, you could definitely tell that the spoiler was molded to fit the F30 trunk lid perfectly. It's kinda hard to describe, but there is a groove in the spoiler that fits in nicely with the edge of the trunk. The quality of the actual carbon fiber was quite good, much better than the cheaper Chinese brands, and I did end up going with the twill 2x2 pattern because in my opinion it looks better and has more depth to it, I believe its also glossier than the 1x1 as well. And this was my first order with Bimmian and I felt as if they did a great job in processing the order as well as shipping it quickly, and I also managed to order when the spoiler was on sale, so I saved 25% and got it at a fantastic price.

[X2 Monstah]

Great write-up. I'll be installing mine on Sunday. Thanks.

[AgentCircus]

Is the real M Performance Carbon Fiber also a 2x2 weave?

[ASV731]

Originally Posted by AgentCircus

Is the real M Performance Carbon Fiber also a 2x2 weave?

I believe that it is, I was told that this spoiler is nearly identical to the M Performance one in terms of looks and fit.

[daMANiack]

Hi,

The hinge method is easiest way to place spoler perfectly.

Cheerz

[FellowM3]

Where is everyone getting their spoilers / lips from now?