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Thanks for all comments. BlakeJ, I saw something somewhere that the problematic carbon plate Titan's may have gone as late as 2018. Caterham told me they have race cars using the sintered plate Titans for years without problems. Not exactly hard data. I guess they are noisier as well. How long ago did Tracsport do that work for you? Was that the Ultra Sierra 7" LSD? I shot them an email but no response as of yet.

BlakeJ, thanks. Are the Tracsport LSDs lasting longer than the newer Titans with sintered plates? Caterham claims the new Titans are holding up but I have no mileage reference points. Are there any other advantages to the Tracsports?

Thanks for the informative response Croc. Option 1 would not work out for me since I will not and likely could not do the work. Still working on who will do the work. I will check out your other options.

Hello. My not long ago purchased 2014 360 seems to have a a failed LSD. This is based on louder and louder knocking noises and when I spin the wheels elevated on jack they do not spin together. The other does not move at all. I'm not looking for diagnosis support but what to do next. I've attached an article that states the 2010-2015s were cursed with this LSD. Caterham offers a Titan replacement but I don't want the same unit and the same problems in a few thousand miles. I'd rather replace with something better. I'd appreciate any assistance or knowledge particularly with those who have experienced this issue. Thanks. BMW Limited Slip Differential - A Titan(ic) Problem?.pdf

Thanks for the info. Unfortunately I can't answer your questions because I haven't done anything yet except acquire a number of bottles of Motul Auto Cool Optimal red coolant which I will use when the time comes. Let us know how the car runs before and after and if you have any issues.

Thank you!

Communicating with him now actually. Thanks.

The attached photo shows a coolant hose identified by a black arrow and labeled Caterham Motorsport. It has a slow leak at the bottom. I've been searching online for a replacement but have found nothing similar yet including it appears Caterham Parts and Beachman. The hose has two significant bends including a 180 under the plastic box and then up and to the left. The car is a 2014. If anyone has an idea of another seller of these please let me know. Much appreciated.

Regarding the referenced plug it IS at the bottom of the sump left side. No external oil tank however. I'm happy it is a wet sump. I don't need or want the extra complication. But it did take a LOT of oil. On the MV8 oil type post, your own chart shows 5W-50 as one of the Duratec oils. Photo of my manual page below and another manual I found online show the same. To say the Duratec is not designed to run that viscosity is your statement but makes no sense to me. 5W-30 is for the Sigma. As long as the car continues to perform well with this oil I will continue to use it. Manual 2.pdf

I think it's seating okay but who really knows. I went in very slow with the new oil adding and measuring. It took what it took. I was pleased to see that it measured the same after a spirited drive. On the old oil it burned some. One thing I'm finding out very quickly is there a a million combos and quirks with these cars. Makes it interesting I guess.

Thanks. Yes I figured this setup might allow a dry sump but is not currently one. On the oil I did indeed as recommended. Check the manual.

What model years does this fix apply? My 2014's gauge reads more fuel than what is actually in the tank.

The oil change went off fine. Used the black plug. Put in 5W-50 per the manual. My paper manual says the 360 wet sump would take 4.5 liters and the one I found on-line said 5.5. It actually took 6.5, closer to what a dry sump would take. As of the first drive the engine temp is running slightly warmer and the idle oil pressure slightly higher which I was hoping for. Engine temp still drops the harder I drive the car however. What an amazing car in the corners.

Yeah it wasn't the best but the car seems to be behaving the same before and after the incident. We have a local car club where I have done cars and coffee with my Porsche. The problem is there are probably not two models the same that show up except Corvettes. And even on boards like this and others there are many opinions for the same issue. On the coolant I realize the system would need to be very well flushed to avoid any negative interacting with a switch from green to red. More research is needed here. Next is an oil change. I am running too low a pressure at hot idle and believe it is probably the lower weight oil used at most oil change shops from previous owner. Going to bring it up to manual spec.