Just wondering how many have a front fender extender on their late-model K series bike say 2018 up on the GT and GTL.? Any info on brand preference or issues with rubbing on any part of the bike and the price you would pay for one?
I have noted a few brands including one from China and I dare say most would be produced someplace in Asia in any case. Love to hear your thoughts thanks.

I put a Wunderlich one on my bike. Not the cheapest, but it fits properly without fouling on anything and includes an additional bracket to support the mudguard from the brake pipe union.

I installed the Wunderlich fender extender. Works great

I also have installed the Wunderlich fender extender and am happy that it is keeping more road debris out of the radiator. Pricey, but doesn’t rub on the tire and doesn’t contact anything. BMW should have made a longer front fender to begin with.

I recently bought the Wunderlich to install as a winter project along with the shock change.

Wunderlich here also. Does it's job well.

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I'm not sure there's any difference between early and late model fenders and radiators. Though I'm out of spec for the years you're looking for information, my 14 GTL/E has the Wunderlich Fender Extender. It's more then just the ABS piece that glues/rivets into position, it has an ancillary bracket that keeps the extender from rubbing on the tire by keeping it up and away from the tire. The bracket is attached to the fender via a two new holes you'll have to make into the fender. Here's the US website for it. Fender Extender K1600 (#32211002) Wunderlich Editions 32211002 | BMW Wunderlich America

This accessory is expensive compared to the other extenders and that's due to capitalism and the extra bracket. I had the less expensive one and it rubbed against the tire at higher speeds which caused it to be noisy. I replaced it with the Wunderlich. It has been doing its job without issue. My fender is much less beat up now with dirt, and the radiator is not getting nearly as dirty as it was previously. Honestly both the Wunderlich and non-Wunderlich extenders are about the same size, but that bracket makes all the difference.

If you've the resources to fabricate a bracket for the Chinese brand, I seriously doubt you'd see any difference between that and the Wunderlich. You can see what that bracket is and how it mounts from their website (http://www.wunderlichamerica.com/ins...s/32211002.pdf)

The only thing you'll need to remember is to tell who ever is changing your front tire that the bracket is there. That's because the front fender typically comes off with the 4 Torx screws before they can remove the tire from the bike. The fender extender is now attached to the bike while normally it isn't. While not required, I ask the tech who's reassembling my fender to put some type of non-permanent thread-locker on the one screw that is needed to be removed for disassembly (picture #9 in the instructions) of the bracket that mounts to the bike (leave the two screws that attach to the fender alone). Here in the US Loctite® Threadlocker Blue 242® is commonly (but not exclusively) used https://www.loctiteproducts.com/en/p...erblue242.html

Good luck.

Same here...,Wunderlich and a RadGuard with no issues at all.

Juan

Me too, one of the first things I did when I got the bike after reading the forums here and taking the advice.

Seems to be working fine so far.

+1 on the Wunderlich fender extender and the RadGuard radiator guard...