Punctured engine block

DSilk a écrit

Exact. Le V10 de la M5 a été initialement développé pour être utilisé dans la voiture de course F1 de l’équipe Sauber-BMW, et le V8 qui alimente nos M3 avait 2 cylindres coupés pour des considérations de taille et de poids. La rentabilité faisait-elle partie de l'équation? Il ne fait aucun doute que cela coûte moins cher de couper 2 cylindres d'un moteur de course bien développé que de produire un V8 propre répondant aux exigences de BMW M. L'inline 6 de l'e46 M3 produisait autant d'énergie qu'il pouvait en produire sans FI, et la division M était axée sur des régimes élevés et une puissance spécifique élevée à l'extrémité supérieure, ce qui signifiait que plus de cylindres étaient nécessaires.

Vous faites sonner comme bmw a pris un sawzall à tous les v10 préfabriqués. Les dessins de conception ont probablement été modifiés et ils ont probablement commencé avec un bloc plus petit.

r0cketm0nkey wrote

I wouldn't say 100%...there are some whose bearings still look very good at six digit miles. But my opinion is, if you're going to keep the car for that long anyway, just do it and go to sleep better for it.

Rajmun340 wrote

Indeed you'll sleep better only if you believe that. There is no way to fix it, if there were no blown engines that had their bearings replaced it would not be false. But there are.

carenthuziast wrote

You make it sound like bmw took a sawzall to all premanufactured v10s. Design drawings were probably changed and they probably started with a smaller block.

k3silk wrote

Known issue with our cars 2008-2013 get the red bearing fix costing anywhere from 2000-3000 and you are all set. Unfortunately for you it destroyed the engine before you got a chance to take care of this. Hopefully BMW NA can Goodwill or help out with some of the cost.

shimmy23 wrote

^ 2008 with 100k+ miles. I don’t see bmw doing a damn thing about this

r0cketm0nkey wrote

Isn't there a 30 day warranty from your dealership at least? They practically sold you a time bomb on wheels. You might want to defer to a lawyer to weigh your options.

yeah_knee wrote

We have a 50-50 warranty (I cover half he covers half)... so yes if we put a used engine we pay half half .. but I wanna reverse the deal to be honest

r0cketm0nkey wrote

yeah_knee wrote

We have a 50-50 warranty (I cover half he covers half)... so yes if we put a used engine we pay half half .. but I wanna reverse the deal to be honest

I'm no lawyer, but if the 50/50 warranty is in writing, it might be difficult on your side to argue for reversing the transaction. Usually that's reserved for cars returned within 3 days (yours was 4), or if it's a lemon. Again, I'd defer to a lawyer for your best course of action.

You could alternatively drop in a used engine, but by then you might as well replace the rod bearings before you drop it in, and enjoy it for a while...or just sell it for what you paid for it. I imagine you would lose out some cash on the latter. Good luck either way.

BOOF-M3 wrote

Would you care to tell us how they came up with the % of responsibility?

yeah_knee wrote

Initially I signed a warranty for 50-50 for the first month... but due to this situation they're giving me a 33-66 deal for the job that needs to be done.

decimation1 wrote

Isn't a new short block from BMW around $20K (if you can find one) + labor to swap all components and install?

Duk996 wrote

I priced out a short block last week and they said 8300, long block was 20ish I recall. I'm going to have to cross a similar bridge soon. Main bearing totally destroyed with worn rod bearings...

They=bmw

decimation1 wrote

Duk996 wrote

I priced out a short block last week and they said 8300, long block was 20ish I recall. I'm going to have to cross a similar bridge soon. Main bearing totally destroyed with worn rod bearings...

They=bmw

Short block is including just the block, crank, pistons, oil pan and pump? Or does that come with the heads and timed too?

DSilk wrote

yeah_knee wrote

Initially I signed a warranty for 50-50 for the first month... but due to this situation they're giving me a 33-66 deal for the job that needs to be done.

That seems fair.