[2001S15]

Anyone have thoughts on this?

About 4 years ago I lemon'ed my F10 550i with various "Fuel System Malfunction" issues that were unfixable by the dealer within the mandated window. Later, I learn this is pretty prevalent with this engine. My local dealer even said he thought this was one of the worst engines BMW had made in recent times & actively recommended against it. He said the M5 engine was "different" but Wikipedia tells me it's a derivative. I'm curious if these were just teething issues & have been resolved now, or if there are just fundamental design issues. Regardless, I'd be leasing... but being without a car for weeks and weeks wasn't that great.

[mr_djurgarden]

Fuel System Malfunction = it means that the fuel is different quality. I have had same problemen when travelled from country to country.

[visualguy]

Originally Posted by 2001S15

Anyone have thoughts on this?

About 4 years ago I lemon'ed my F10 550i with various "Fuel System Malfunction" issues that were unfixable by the dealer within the mandated window. Later, I learn this is pretty prevalent with this engine. My local dealer even said he thought this was one of the worst engines BMW had made in recent times & actively recommended against it. He said the M5 engine was "different" but Wikipedia tells me it's a derivative. I'm curious if these were just teething issues & have been resolved now, or if there are just fundamental design issues. Regardless, I'd be leasing... but being without a car for weeks and weeks wasn't that great.

There's a very good chance you'll be fine if you're leasing. There aren't too many reports of serious issues with recent versions of the N63 and S63 engines within the first 3 years of ownership/leasing.

[TheRealOrosie]

I had a '13 550i M Sport....that ran Dinan Stage 3 software from 1k on.....not one issue. Rock solid motor.

[CaboM4]

Originally Posted by 2001S15

Anyone have thoughts on this?

About 4 years ago I lemon'ed my F10 550i with various "Fuel System Malfunction" issues that were unfixable by the dealer within the mandated window. Later, I learn this is pretty prevalent with this engine. My local dealer even said he thought this was one of the worst engines BMW had made in recent times & actively recommended against it. He said the M5 engine was "different" but Wikipedia tells me it's a derivative. I'm curious if these were just teething issues & have been resolved now, or if there are just fundamental design issues. Regardless, I'd be leasing... but being without a car for weeks and weeks wasn't that great.

I never had a problem with the N63 in my '14 550xi or the S63 in my '16 X5M .... took the N63 into 65k miles and I don't drive the S63 much, its only at 11k in 2 years ... but i drive it hard when i do