DoubleDare

I installed the Rennline front bumper screens on my 18 911 GTS Cabrio yesterday. Below are some pics and tips for anyone looking into it.

First, many thanks to fellow Rennlister bkrantz, whose excellent thread on 991.2 front bumper removal was by far the best resource I found: https://rennlist.com/forums/991/1023...tallation.html

Here's the finished product:



From this pic, it looks as though the screens might not cover the whole openings left and right - not to worry, they do.

I painted the radiators black before replacing the bumper cover. It looks a lot better than having silver radiators peeking out from the black screens.



Here's what you need to paint the radiators: Eastwood makes a rattle-can paint specific to radiators. It gets mixed reviews online, but I thought it did the job well. They recommend scuffing the surface with scuff pads before painting. You'll want to re-vacuum the radiators after doing that and before painting. I used a nylon upholstery brush vac attachment, which got 99% of the bugs, etc. off the radiators. Then re-vacuumed to remove the scuff pad fibers and dust.




Here are a few tips on the process:

- Removing the bumper cover will be a whole lot easier if you remove the front wheels first. If you don't want to do that (e.g. because Centerlock wheels), grab a long, narrow flathead screwdriver to get in and release the electrical connectors. Unless your arms are ballerina thin, you probably won't be getting them all the way in to the connector releases with the wheels still on.



- Many of the fasteners you'll remove look similar but aren't alike. I dropped them in a ziplock for each section I disassembled, and scrawled a quick label on the ziplock. Then everything went back where it came from.



- You'll be releasing a lot of windshield washer fluid when you disconnect the feeder line behind the fender. As the video on Rennline's site shows, you'll want a bucket to collect that. However, note that the lines in the front bumper cover retain quite a lot of fluid, even after you drain the reservoir. You may have to disconnect lines on the bumper cover itself to drill where Rennline tells you to (I did). So be ready for a flow from any exposed line when you do that. Mine poured soapy solution into the back of one of the big electrical connectors (ug) and all over the bumper cover and floor.

- Overall, it's not a difficult process, but if your kit requires drilling (apparently some do, some don't), you'll need to be slow and precise to avoid doing anything that will mar the visible part of the bumper cover. So, budget some time. ..

CSK 911 C4S

Looks great.

Scottykenneth

arter

Just got to do something about that flat plastic center area. That bugs me on this model.

I put a center rediator in ( although I didnt do it for the looks , but it does look much better---- functional)

Hurricane

Adaptive Cruise Control fills mine up LOL.

Rennline

Very nice!!

DoubleDare

True that - it would look better with a center radiator and screen.

How involved was your radiator install? Looks like you'd need the radiator and a mounting bracket - anything else?

mikex25

arter

Behind a Zunsport grill I adapted
Radiator is full width, flash just didnt catch it all.

mikex25

LavaGTS

Arter, did you purchase the 3rd radiator separately? Who did the install and how much?

_RS_

The center screen is just $25 extra, it doesn't need a radiator to look matched.
Thanks for the write up OP.

LavaGTS

Different tastes I guess.. My center grill is sitting in the house collecting dust. Not a fan of the pointy edges/fitment. It looks like it was lazily put together + you have to screw into your bumper. No thanks!

arter

Radiator from Suncoast ( they sell a kit now).
Install at Vision. 2 hours labor ( bumper off and on plus getting the air out of all the wet circuits).

I track my car only reason why I added this.
Was 104F at Big Willow and I ran with my A/C on the last two sessions. Oil temp only 248F. Comfy

///M3THOD

Yeah, not my taste either.


I have been contemplating doing some of these grills. I think Im going to hold off since I love the look the exposed silver side radiators. I just have to get in there periodically with a pick and straighten the fins. PITA, but its a labor of love.