E60 M5 Rod Bearing Failure! - Advice Really Appreciated
Discussion
I think Mondial does some level of checking on the service history when a new policy (as opposed to a renewal or transfer from the AUC warranty) is applied for. They have access to the BMW service data.
But as I said earlier if the car has had the requisite number of oil changes at the right points the fact that a plug change or gearbox/diff oil change was missed is surely not relevant. It strikes me they're trying to wriggle out on a technicality. Sort of like your home insurance not covering a house fire claim due to a faulty washing machine because you forgot to lock the front door.
But as I said earlier if the car has had the requisite number of oil changes at the right points the fact that a plug change or gearbox/diff oil change was missed is surely not relevant. It strikes me they're trying to wriggle out on a technicality. Sort of like your home insurance not covering a house fire claim due to a faulty washing machine because you forgot to lock the front door.
Showed this thread to my brother in law who is a tech at a sports car place, his first thoughts were that the wear shown in the op's first picture looks to him like premature wear rather than an oil related issue. Obviously without having the car and bits infront of him it is difficult to give a 100% diagnosis.
nick1275 said:
Showed this thread to my brother in law who is a tech at a sports car place, his first thoughts were that the wear shown in the op's first picture looks to him like premature wear rather than an oil related issue. Obviously without having the car and bits infront of him it is difficult to give a 100% diagnosis.
The 175+ rebuilt S85 engines that have been sold in the US in last two years from a single source were all due to premature wear, but yeah, I can see how the tech who refused OP's claim would know better. 
Just opened an S85 I replaced the rod bearings on 15k miles ago and was extremely surprised at what I found. Significant wear on all bearings despite absolutely religious engine warm-up routing before going over 3k RPM.
Car has not been driven harshly or mistreated since.
I had very little doubt that the new 702/703 bearings BMW released after the end of S85 production would improve things, this sort of underscores that. I'll post pics once I get them all out if anyone desires.
Car has not been driven harshly or mistreated since.
I had very little doubt that the new 702/703 bearings BMW released after the end of S85 production would improve things, this sort of underscores that. I'll post pics once I get them all out if anyone desires.
jcolley said:
Just opened an S85 I replaced the rod bearings on 15k miles ago and was extremely surprised at what I found. Significant wear on all bearings despite absolutely religious engine warm-up routing before going over 3k RPM.
Car has not been driven harshly or mistreated since.
I had very little doubt that the new 702/703 bearings BMW released after the end of S85 production would improve things, this sort of underscores that. I'll post pics once I get them all out if anyone desires.
Hmmm so what's the conclusion here then? This particular car will eat through its bearings? The wear looks worse than it really is?Car has not been driven harshly or mistreated since.
I had very little doubt that the new 702/703 bearings BMW released after the end of S85 production would improve things, this sort of underscores that. I'll post pics once I get them all out if anyone desires.
Shaoxter said:
jcolley said:
Just opened an S85 I replaced the rod bearings on 15k miles ago and was extremely surprised at what I found. Significant wear on all bearings despite absolutely religious engine warm-up routing before going over 3k RPM.
Car has not been driven harshly or mistreated since.
I had very little doubt that the new 702/703 bearings BMW released after the end of S85 production would improve things, this sort of underscores that. I'll post pics once I get them all out if anyone desires.
Hmmm so what's the conclusion here then? This particular car will eat through its bearings? The wear looks worse than it really is?Car has not been driven harshly or mistreated since.
I had very little doubt that the new 702/703 bearings BMW released after the end of S85 production would improve things, this sort of underscores that. I'll post pics once I get them all out if anyone desires.
It seems that almost every set that is replaced as a preventitive measure look terrible even at relatively low miles, but concurrent oil analysis shows no problem. There is some suggestion that most of the wear occurrs early in the life of the shells, then it settles down, which fits with this 15k miler.
Lots of pics of ropey shells for the OP over there, which may help his case that his car was not mistreated.
For the rest of us, perhaps the appearance doesn't always equate to imminent failure?
I am of the opinion that maybe 10w60 is not neccesarily the correct oil for this car anymore. The TWS recipe is quite an old one and the lubricant game has moved on significantly since it was first introduced. Indeed, Castrol are not even BMWs preferred supplier anymore!
Maybe switch to a lighter oil such as Mobil1 0w40 oil which would be lighter on the internal parts rather than the heavier 10w60 stuff? It would also lubricate the pistons quicker and help the engine warm up quicker too.
Infact, the newer BMW M cars use 0w spec engine oil too and not the 10w60 of the past 15 or so years.....
Just a thought.......
Maybe switch to a lighter oil such as Mobil1 0w40 oil which would be lighter on the internal parts rather than the heavier 10w60 stuff? It would also lubricate the pistons quicker and help the engine warm up quicker too.
Infact, the newer BMW M cars use 0w spec engine oil too and not the 10w60 of the past 15 or so years.....
Just a thought.......
Schermerhorn said:
I am of the opinion that maybe 10w60 is not neccesarily the correct oil for this car anymore. The TWS recipe is quite an old one and the lubricant game has moved on significantly since it was first introduced. Indeed, Castrol are not even BMWs preferred supplier anymore!
Maybe switch to a lighter oil such as Mobil1 0w40 oil which would be lighter on the internal parts rather than the heavier 10w60 stuff? It would also lubricate the pistons quicker and help the engine warm up quicker too.
Infact, the newer BMW M cars use 0w spec engine oil too and not the 10w60 of the past 15 or so years.....
Just a thought.......
Some E39 owners use 0w40, others stick with 10w60. I know of a 200k mile E39 that ran 10w60 for all of its life and the engine wasnt the reason it was taken off the road.Maybe switch to a lighter oil such as Mobil1 0w40 oil which would be lighter on the internal parts rather than the heavier 10w60 stuff? It would also lubricate the pistons quicker and help the engine warm up quicker too.
Infact, the newer BMW M cars use 0w spec engine oil too and not the 10w60 of the past 15 or so years.....
Just a thought.......
Luck of the draw this lark.
Beedub said:
i fear OP may have given up due to the fight that was needed..... REAL shame.
I suspect he's called "lazy" for a reason
and just wants to put the whole sorry saga behind him, and write off the loss as "one of those things"It's a shame if that's the case, but not everyone is up for a long drawn out fight......unfortunately the dealers, and manufacturers know this, and that's why they take the stance they do....
I wonder what the low oil warnings mean exactly?
According to the manual you don't top-up until it gets low anyway and it tells you to do it within 125 miles in the check control:
"Do not add oil until a value slightly above the
minimum of 0.0 US quarts/liters is displayed by
the oil level measurement. In this area a message
is also shown on the Control Display.
Add oil within the next 125 miles/200 km,
otherwise the engine could be damaged.
Add a maximum of 1 US quart/1 liter of oil, otherwise
the engine may be damaged by adding
too much oil"
I hope the OP hasn't given up, I wouldn't accept the garages "opinion" this should be fact based.
How would the purchaser know if something has been missed in the CBS service schedule? You just have a stamp in the book, you can't tell what the iDrive menu was saying should be served after the dealer has reset it can you? Does this mean it's been miss-sold?
What constitutes hard driving and where do BMW define this?
When you start up the rev limiter is still set very high so in theory can you just get in an hit the limiter? I had a quick scan in the manual and I didn't see anything about how to warm up the car. I'm sure we all know you drive gently until fully warmed up and M cars have oil temp gauges as well which is useful but unless what you can/can't do is defined somewhere in the manual or warranty I don't understand how this garages opinion would stand up, am I wrong?
According to the manual you don't top-up until it gets low anyway and it tells you to do it within 125 miles in the check control:
"Do not add oil until a value slightly above the
minimum of 0.0 US quarts/liters is displayed by
the oil level measurement. In this area a message
is also shown on the Control Display.
Add oil within the next 125 miles/200 km,
otherwise the engine could be damaged.
Add a maximum of 1 US quart/1 liter of oil, otherwise
the engine may be damaged by adding
too much oil"
I hope the OP hasn't given up, I wouldn't accept the garages "opinion" this should be fact based.
How would the purchaser know if something has been missed in the CBS service schedule? You just have a stamp in the book, you can't tell what the iDrive menu was saying should be served after the dealer has reset it can you? Does this mean it's been miss-sold?
What constitutes hard driving and where do BMW define this?
When you start up the rev limiter is still set very high so in theory can you just get in an hit the limiter? I had a quick scan in the manual and I didn't see anything about how to warm up the car. I'm sure we all know you drive gently until fully warmed up and M cars have oil temp gauges as well which is useful but unless what you can/can't do is defined somewhere in the manual or warranty I don't understand how this garages opinion would stand up, am I wrong?
Gassing Station | M Power | Top of Page | What's New | My Stuff