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Last edited by stuffedgus; 06-18-2023 at 10:10 PM.
Hello,
Each can be replaced separately.
Your cowl looks deteriorated where it meets the window.
The rubber trim you list seals the underside of the hood to the cowl itself.
FYI, I removed the trim on mine to improve the removal of under hood heat.
04R 3l 6 sp VF SC, custom ducting, alphaN, 2.62 pulley, multiport WMI,Severn Tuning(Pokeybritches), Tial BPV,Ceramic header, magnaflow section 1, SS race muffler/y-pipe, megan mounts,42 design catch can, CDV delete ,custom strut bar,3.91 LSD, H&R bars, Hotchkis links.Eibach Pro Kit,Koni Yellows.Megan camber arms. Carbon interior,SSK,UUC lines.CF aero. Poly bushings.
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Last edited by stuffedgus; 06-18-2023 at 10:10 PM.
I just went thru this exercise this past week. I replaced the whole plastic cowling which looked just like yours, leaving the rubber underneath undisturbed. Not a hard job at all other than getting the d#mn wiper blades off their shafts. Go on youtube for some videos of different methods. I tried them all including buying the puller (which didn't work). Finally used the tapping on the nut partially replaced on the shaft to avoid damage to the threads method. It worked. The rest of the job took about 15 minutes. If you damage or lose some of the plastic retainers, just use the plain old American push in retainers available at all parts stores. They work better than the German ones and much easier to install. Improves the looks a lot.
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Last edited by stuffedgus; 06-18-2023 at 10:10 PM.
Good luck. You'll be happy with the results as it really cleans up the area which 'just didn't look right'.
Time to replace the rotted cowl on my 2003 Z4. Did you need to replace the windshield Cowl Gasket? I'm not sure where that is, but I'm thinking I probably need it as my cowl is beyond corroded.
Here's a link to the part: https://www.ecstuning.com/b-genuine-...t/51717016192/
I replaced the whole part. I wasn't aware that you could just replace the flexible trim. A couple of hundred dollars a few years ago. I bought a windshield arm puller that works ok. My so bought me a cowling for a newer Z4 that is the wrong one for mine. They want more to ship it back to the dealer than he paid for it. I still have it. I might put it up for local sale.
I just replaced the cowl. Is there a special tool to screw in the 4 plastic rivets? Philips screwdriver doesn't quite work as the rivets are flimsy and strip easily.
Last edited by jeff11214; 08-29-2022 at 11:43 AM.
When I replaced my complete cowl, I applied a generous amount of protectant on the plastic, hopefully, to slow down the weathering on it even though my 03 stays in a garage.
From my experience with those fasteners, the threaded pin is for easy removal. Insertion is by pressure.
04R 3l 6 sp VF SC, custom ducting, alphaN, 2.62 pulley, multiport WMI,Severn Tuning(Pokeybritches), Tial BPV,Ceramic header, magnaflow section 1, SS race muffler/y-pipe, megan mounts,42 design catch can, CDV delete ,custom strut bar,3.91 LSD, H&R bars, Hotchkis links.Eibach Pro Kit,Koni Yellows.Megan camber arms. Carbon interior,SSK,UUC lines.CF aero. Poly bushings.
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