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      05-08-2012, 12:54 PM   #1
singularity
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Question Known F10 M5 issues, problems and solutions

Here's a list of known problems and solutions by owners, hope it's helpful for current and future M5 F10 buyers.
  1. Problem: Clunking / loose noise from rear on bad roads
    Reason: Confirmed factory defect spring coils.
    Solution: BMW releasing replacement spring coils in December 2012
    Reported by: singularity

  2. Problem: Wind rattle/fan rattle sound when car is under throttle
    Reason: Loose pipe clip on induction system
    Reported by: burns all, singularity

  3. Problem: Brakes pedal becomes very soft after a few minutes of stress driving. Beware of increased brake distance.
    Reason: Bad factory brakes. Choose ceramic brakes or don't race for longer than a few minutes.
    Reported by: singularity

  4. Problem: "Drivetrain error. Maximum power not available"
    Reason: Legacy flaw in fuel pressure sensor / high pressure fuel pump.
    Solution: Possibly fixed on cars produced after February 2012.
    Reported by: phish_100, singularity

  5. Problem: Brake system failure/Tyre pressure sensor failure/Driving Stability Control failure
    Reason: Brake pad sensor failure
    Reported by: phish_100, singularity

Sorry for my bad english, gonne edit topic as more people report solutions. Hope it helps.

Last edited by singularity; 05-08-2012 at 05:18 PM.
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      05-08-2012, 04:13 PM   #2
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Good list. Thanks. Any recalls or TSB/SIB bulletins published on any of these? Hope the US cars will have these cured already when they are built in July.
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      05-08-2012, 04:18 PM   #3
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Quote:
Originally Posted by 09BlkSapphire View Post
Good list. Thanks. Any recalls or TSB/SIB bulletins published on any of these? Hope the US cars will have these cured already when they are built in July.
No idea, I just made them up from my own and other owners' experience on forum boards.
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      05-08-2012, 04:29 PM   #4
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Quote:
Originally Posted by singularity View Post
[*]Problem: "Drivetrain error. Maximum power not available"
Reason: Legacy flaw in fuel pressure sensor / high pressure fuel pump
Reported by: phish_100, singularity

.

Fuel rail was changed from February 2012 production, possibly solving issue
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      05-08-2012, 04:54 PM   #5
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A soft brake pedal after a few minutes of hard driving implicates the brake FLUID, not the pads or rotors. Inadequate pads or rotors (in which case carbon ceramic would be the fix) would be indicated by increased stopping distance at maximum braking pressure after a while compared to a baseline stopping distance at maximum pressure -- but that's impossible to confirm if the brake fluid boils first, because that reduces maximum possible pressure that can be transmitted to the pads at all, in which case increased stopping distance could be caused solely by the reduced pressure being transmitted to the pads, not necessarily the pads and rotors being overheated.

I'd be curious to know what would happen just swapping some Castrol SRF in there. If you do that and THEN you get brake fade, then that's the point where you either need carbon ceramic or an aftermarket BBK. But if the fluid is boiling first, then considering upgraded fluid is a pretty cheap and quick fix, I'd be interested to see how the brakes hold up after that upgrade is in place.
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Last edited by jphughan; 05-08-2012 at 05:19 PM.
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      05-08-2012, 05:22 PM   #6
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Quote:
Originally Posted by jphughan View Post
A soft brake pedal after a few minutes of hard driving implicates the brake FLUID, not the pads or rotors. Inadequate pads or rotors (in which case carbon ceramic would be the fix) would be indicated by increased stopping distance at maximum braking pressure after a while compared to a baseline stopping distance at maximum pressure -- but that's impossible to confirm if the brake fluid boils first, because boiled brake fluid lowers the amount of pressure that can be transmitted to the pads in the first place, in which case increased stopping distance could be caused solely by the reduced pressure being transmitted to the pads, not necessarily the pads and rotors being overheated.

I'd be curious to know what would happen just swapping some Castrol SRF in there. If you do that and THEN you get brake fade, then that's the point where you either need carbon ceramic or an aftermarket BBK. But if the fluid is boiling first, then considering upgraded fluid is a pretty cheap and quick fix, I'd be interested to see how the brakes hold up after that upgrade is in place.
I replaced brake pads because they burned and started squeaking quite early, but still had 90% beef on them. They were mildly squeaking when braking at about 25 km/h and high-pitch heavy screeching sound when braking from 5 km/h to 0 km/h and even when turning off the car.

About brake fluid for heavy driving, I'll see about changing brake fluid and definitely report results once I do. Will probably take a couple of weeks though. Thanks for the recommendation.
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      05-08-2012, 05:24 PM   #7
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Quote:
Originally Posted by E90Fleet View Post
Fuel rail was changed from February 2012 production, possibly solving issue
Updated the topic, thanks.
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      05-09-2012, 01:07 AM   #8
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Yesterday left mine for a 2000km service. Service noticed an oil leak - had to add 1l at 2000 and when I brought car for a service with 2500km it required to 3/4l to be added again.
Now driving a loaner car 320i
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      02-14-2013, 04:46 PM   #9
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My fuel pump and pressure sensor both failed. So the issues has not been addressed by BMW.
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      08-28-2013, 04:22 PM   #10
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Known F10 M5 issues, problems

Well, I have a 2012 M5 Black Sapphire with Eisenman exhaust system, the car is a beast but I have always complained that it consumes too much oil and the noise over irregular pavement in the rear suspension is annoying. But about a month ago, with 18,000 km in the odo, the car gave me a warning that it was low on coolant, I check and indeed it was low so I proceeded to fill it. About a week later the car started sounding weird and it posted a message that said that the engine had limited power so I took the car back to BMW and they found out that the hoses that supply coolant to the inter-coolers for the turbos were leaking. They proceeded to change them (don't understand how a US$ 100,000.00 + car can have such a design flaw) the head mechanic informed me that the hoses failed because they endured very high temperatures and that in his opinion it was a design flaw. I had the car for 48 hours when the A/C stopped working, it felt that it was missing some gas; they confirmed that the a/c system needed refrigerant and proceeded to fill it up. A week after that the car started asking for more coolant so now we are waiting for new hoses from the factory (2 weeks) and the A/C stopped working again.

I have become very disappointed with this car, I have owned 5 911's and I don't think I'll ever by another BMW (this is my 3rd and last); when I compare this car even to a Maserati QP that i owned in 2007 (which never gave me problems) and with the Porches I have owned I think this car is sub-par quality wise.

I just hope I don't get any more trouble so that I can safely get rid of it come May of next year, I can't fathom spending this amount of money on a car and having to send the car for repairs in less than two years of ownership, I seriously think BMW rushed this car into the market.
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      08-28-2013, 11:21 PM   #11
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My car is a 4/2013 build and none of the problems described occur. Maybe I got lucky with this one.
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      08-29-2013, 08:34 PM   #12
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Quote:
Originally Posted by greentrbo95gst
My car is a 4/2013 build and none of the problems described occur. Maybe I got lucky with this one.
It pays not to be an early adopter.
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      08-29-2013, 09:43 PM   #13
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It pays not to be an early adopter.
I should have knocked on wood before I said it....
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      08-31-2013, 08:39 AM   #14
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i was pushing my car really hard last night and guess what i got on a screen today in the morning when i started the car

Quote:
Problem: "Drivetrain error. Maximum power not available"
Reason: Legacy flaw in fuel pressure sensor / high pressure fuel pump.
Solution: Possibly fixed on cars produced after February 2012.
i turned off the engine and ignition, started again and it went away

shall i not be bothered with checking it as long as it its just a pressure sensor?
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      09-14-2013, 01:28 PM   #15
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Quote:
Originally Posted by singularity View Post
  1. Problem: Clunking / loose noise from rear on bad roads
    Reason: Confirmed factory defect spring coils.
    Solution: BMW releasing replacement spring coils in December 2012
    Reported by: singularity
Took mine in a few days ago for this. Took the two days to figure it out even though I showed them this post. They are ordering new spring coils and bump stops. I'm guessing bump stops are bushings?
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      09-14-2013, 04:25 PM   #16
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wheel bearings click! for those that replaced these, did the problem come back?
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      09-14-2013, 04:43 PM   #17
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drivetrain error fixed by software update.

brakes not an issue for me, learn how to drive on a track!
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      09-14-2013, 10:48 PM   #18
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Quote:
Originally Posted by crazy08
Quote:
Originally Posted by singularity View Post
  1. Problem: Clunking / loose noise from rear on bad roads
    Reason: Confirmed factory defect spring coils.
    Solution: BMW releasing replacement spring coils in December 2012
    Reported by: singularity
Took mine in a few days ago for this. Took the two days to figure it out even though I showed them this post. They are ordering new spring coils and bump stops. I'm guessing bump stops are bushings?
I am pretty sure it is more than that. I posted the entire list of parts they replaced on mine to solve the same issue. Lit is both front and rear, even though the noise comes from the rear. If you search you will be able to find the parts list I posted.
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      09-15-2013, 06:16 AM   #19
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Just had mine repaired two weeks ago and today, I heard couple of clicks during the max wheel turning in the parking lot, other than that, I feel it's just matter of time before I have to go back and have it re-done.


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wheel bearings click! for those that replaced these, did the problem come back?
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      09-15-2013, 04:01 PM   #20
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Just had mine repaired two weeks ago and today, I heard couple of clicks during the max wheel turning in the parking lot, other than that, I feel it's just matter of time before I have to go back and have it re-done.

damn. That's not even worth driving to the dealership to drop it off. lol
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      09-15-2013, 04:20 PM   #21
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Have LCI and "Never heard of any of it".
Car runs a treat.
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      09-15-2013, 09:07 PM   #22
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Quote:
Originally Posted by Neil McRae View Post
drivetrain error fixed by software update.

brakes not an issue for me, learn how to drive on a track!
You must be driving in glammy Forza 4 green-line tracks and controlled environments, try real and regular street races in a brutal reality and see your 2 ton bath tub soften up fast before AMGs, Porsches and even metrosexual maseratis. Breaks in this car are an issue for those who push it to the limits, which =/= "spirited driving" on designed curves in a "how to drive to avoid a brake fade" fashion. Brake fade is alien to E60 and E63, which in turn don't have a fraction of the brake fade problem that F10 is suffering from - on exact same situations, parallel street racing in numerous occasions so please keep irrelevant track talk for proper track cars pursuing track times.

Last edited by singularity; 09-15-2013 at 09:14 PM.
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