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  #1  
Old 11-02-2019, 04:31 PM
bornleo369 bornleo369 is offline
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2011 BMW X5 Xdrive50i "Engine Malfunction: Reduced power mode"

Hello Bimmers,
First time bimmer here and I am in horrible situation.
I bought car exactly a month(sep 2019) ago and a week ago I was driving on highway and all of sudden check engine light came on with a message "Engine Malfunction: Reduced power mode".
Immediately I took it to BMW north of milwaukee dealership, they did the diagnosis and said vanos solenoid exhaust bank 1 and 2 have gone bad. So I changed bank 1 & bank 2 for both EXHAUST as well as INTAKE.
After changing and spending like $1500 still the message is there and now they are saying that they found metal debris in new solenoids too which were just installed by them. I told them change the engine oil. They did it but still debris was there.
Now, they are saying that timing chain may have been stretched and said i need to change that and are quoting $5500 more. They are just guessing and each time they say we are not sure if this could fix the problem.

PS:Spark plugs and all 8 fuel injectors were changed in Dec 2017 but since then only 10,000 miles have been added in last 2 years.
Codes coming: P0015; P0305; P0304; P0305;

I am shattered. I am baffled.
Can anyone help me and suggest me fixing this issue? I will be highly grateful to you.
Car is till in the shop.

Regards,
AL
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  #2  
Old 11-02-2019, 09:45 PM
paramedic1079 paramedic1079 is offline
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Trade or sell the car ASAP. Sorry you had such bad luck in a short period of time. That engine is known to cause big problems anyway.
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  #3  
Old 11-03-2019, 01:08 AM
deroy deroy is offline
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Selling might be an idea to keep in mind, but a second opinion from a bmw knowledgable indy and for this forum: at least a list of the bmw specific fault codes would be fist on my to do list.

You seem to blindly believe what the SA at bmw says. For example; did you see the metal in the oil yourself? Did you speak to the guy that actually got his hands dirty? Based on what you report, you appear to them as the perfect customer to make money from. And thatís not a good starting point. Reading up (there is a lot on the n63 engine) and a second opinion moves you away from that position.


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  #4  
Old 11-03-2019, 10:07 AM
bornleo369 bornleo369 is offline
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Codes coming: P0015; P0305; P0304; P0305;
No I didn't saw metal parts myself. BMW doesn't allow you to see, thats their weird policy. They dont allow to talk to technician. Since check engine light is on and engine has reduced power, I got no option but to trust them.

Current miles on car 120,455 and things which have been replaced in the car at 110,000 (2 years ago) are as followed:

Replaced all crankcase & vent tube and hoses.
Fuel injection cleaning and fuel optimizer services performed.
Replaced all leaking turbo coolant lines and hoses.
Put in brand new battery.
Fuel pump replaced as part of BMW recall.
Replaced all 8 fuel injectors and all 8 sparkplugs.

I paid $4595 for all this in BMW dealership on 6th Dec 2017.

After putting so much money and driving only 10,000 miles since then I am facing this many issues.
Technician is looking at it and says he will try to diagnose. Cost I have spent since last week since it is in the shop $700.

They (BMW dealership) hasn't listed COILS being replaced when the spark plugs were changed.


Question to you: Would they change coils too by default when changing the spark plugs? because in invoice i do not see changing coils just spark plugs.
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  #5  
Old 11-03-2019, 10:38 AM
deroy deroy is offline
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Mein Auto: X5 e70 4.8
2011 BMW X5 Xdrive50i "Engine Malfunction: Reduced power mode"

Double post


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Last edited by deroy; 11-03-2019 at 11:04 AM.
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  #6  
Old 11-03-2019, 11:04 AM
deroy deroy is offline
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No you cannot trust them. ďTrust is good, control is betterĒ The SA has two tasks; to sell you service (or cover up bad service) and to keep you from talking to a tech.

The least you can do is (courtesy of Ard) demand a listing of all fault codes, the test plans they ran and the results of those and how their suggested work will solve those. In brief; full diagnostics. Oh, and that they have no permission to proceed with any repairs unless above is supplied. This should be in writing on the work order.

Maybe its time to find a new workshop.

Bmw wonít give you 8 coils for free. If theyíre not on the bill, they havenít been replaced.



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  #7  
Old 11-03-2019, 04:38 PM
bornleo369 bornleo369 is offline
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Any more advice's please
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  #8  
Old 11-03-2019, 04:59 PM
Gary214 Gary214 is offline
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Originally Posted by bornleo369 View Post
Any more advice's please
Find another BMW dealer
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  #9  
Old 11-03-2019, 11:01 PM
deroy deroy is offline
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Hereís more advice:

https://www.behavioraleconomics.com/...-cost-fallacy/


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  #10  
Old 11-04-2019, 02:07 AM
FredoinSF FredoinSF is offline
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Quote:
Originally Posted by bornleo369 View Post
Hello Bimmers,
First time bimmer here and I am in horrible situation.
I bought car exactly a month(sep 2019) ago and a week ago I was driving on highway and all of sudden check engine light came on with a message "Engine Malfunction: Reduced power mode".
Immediately I took it to BMW north of milwaukee dealership, they did the diagnosis and said vanos solenoid exhaust bank 1 and 2 have gone bad. So I changed bank 1 & bank 2 for both EXHAUST as well as INTAKE.
After changing and spending like $1500 still the message is there and now they are saying that they found metal debris in new solenoids too which were just installed by them. I told them change the engine oil. They did it but still debris was there.
Now, they are saying that timing chain may have been stretched and said i need to change that and are quoting $5500 more. They are just guessing and each time they say we are not sure if this could fix the problem.

PS:Spark plugs and all 8 fuel injectors were changed in Dec 2017 but since then only 10,000 miles have been added in last 2 years.
Codes coming: P0015; P0305; P0304; P0305;

I am shattered. I am baffled.
Can anyone help me and suggest me fixing this issue? I will be highly grateful to you.
Car is till in the shop.

Regards,
AL
Quote:
Originally Posted by bornleo369 View Post
Codes coming: P0015; P0305; P0304; P0305;
No I didn't saw metal parts myself. BMW doesn't allow you to see, thats their weird policy. They dont allow to talk to technician. Since check engine light is on and engine has reduced power, I got no option but to trust them.

Current miles on car 120,455 and things which have been replaced in the car at 110,000 (2 years ago) are as followed:

Replaced all crankcase & vent tube and hoses.
Fuel injection cleaning and fuel optimizer services performed.
Replaced all leaking turbo coolant lines and hoses.
Put in brand new battery.
Fuel pump replaced as part of BMW recall.
Replaced all 8 fuel injectors and all 8 sparkplugs.

I paid $4595 for all this in BMW dealership on 6th Dec 2017.

After putting so much money and driving only 10,000 miles since then I am facing this many issues.
Technician is looking at it and says he will try to diagnose. Cost I have spent since last week since it is in the shop $700.

They (BMW dealership) hasn't listed COILS being replaced when the spark plugs were changed.


Question to you: Would they change coils too by default when changing the spark plugs? because in invoice i do not see changing coils just spark plugs.

The dates on the two above quoted posts don't jive. Post 1 says you bought it a few weeks ago in Sept of this year, the newer post says you spent several thousand dollars in Dec 2-17, so????

This car benefited from the BMW CCP (customer Care Program) that touched the timing chain and guides from what i recall. Do you have any history on what was done as part of this?

Regardless, I have a policy of avoiding the dealer at all cost once out of warranty, using a bit of a mix of DIY for easier stuff and independent for more complex or time consuming things. I think it is time for you to get a second opinion from a qualified BMW or European independent shop, confirm what exactly is wrong with the car, explore options.

Regarding changing coils at same time as spark plugs, some do it, but it seems excessive to me unless getting codes pointing to misfires. If it was done at dealer and it's not on the invoice, they did not do it. Why they changed the injectors would be interesting to know because that seems rather unusual.
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  #11  
Old 11-04-2019, 10:16 AM
deroy deroy is offline
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Mein Auto: X5 e70 4.8
2011 BMW X5 Xdrive50i "Engine Malfunction: Reduced power mode"

Quote:
Originally Posted by FredoinSF View Post
Why they changed the injectors would be interesting to know because that seems rather unusual.

Not really from what Iíve read; injector imbalance leading to a rich mix in one cylinder, leading to oil dilution with fuel, leading to accelerated engine wear, leading to metal flakes in the oil.



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  #12  
Old 11-04-2019, 10:39 AM
Gary214 Gary214 is offline
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Mein Auto: 2011 X5 50i M-Sport
Quote:
Originally Posted by deroy View Post
Not really from what I've read; injector imbalance leading to a rich mix in one cylinder, leading to oil dilution with fuel, leading to accelerated engine wear, leading to metal flakes in the oil.




After two "leading to " , I gave up
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  #13  
Old 11-04-2019, 01:30 PM
deroy deroy is offline
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Mein Auto: X5 e70 4.8
Quote:
Originally Posted by Gary214 View Post


After two "leading to " , I gave up
OP should not. Let me continue;

.. leading to previous owner giving up and trading in the car, leading to car being bought by OP without decent PPI, leading to OP posting "metal debris in new solenoids".
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  #14  
Old 11-04-2019, 01:54 PM
FredoinSF FredoinSF is offline
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Quote:
Originally Posted by deroy View Post
Not really from what Iíve read; injector imbalance leading to a rich mix in one cylinder, leading to oil dilution with fuel, leading to accelerated engine wear, leading to metal flakes in the oil.



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Hmmm. Agreed to the domino effect of failed injectors, but Injector replacement was not something I had put in memory bank as something to be concerned of on the V8's. Like there isn't enough already. Is there info saying it's common?

Interested not only for existing N62 V8 in the house but increasingly thinking of a 2020+ M550i to replace the X5 in year or three. I feel I need to enjoy one more daily driver V8 before they become extinct. Or I become extinct, whichever comes first.
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  #15  
Old 11-04-2019, 02:47 PM
deroy deroy is offline
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2011 50i should be an n63. That prolly explains.


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  #16  
Old 11-04-2019, 08:54 PM
B4_685 B4_685 is offline
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2011 BMW X5 Xdrive50i "Engine Malfunction: Reduced power mode"

Start with the easier stuff.... check and clean the maf sensors in the air cleaner duct with some contact cleaner

Verify the coil packs are correctly seated - Iíve installed them incorrectly after replacing plugs by not pushing them down all the way - drove a little while and it randomly misfired.

Verify coil by individually swapping with a known good coil and monitoring for the cylinder misfire on the good cylinder you moved it to.

Check all intercooler piping and induction piping is not leaking anywhere - no damage to front end?

I would also be weary of the BMW dealer - see an independant BMW service technician for a second opinion

Edit: just saw the codes you listed - did they change all 4 vanos solenoids and are they genuine parts? Google vanos test - you can verify the new ones arent faulty straight from the box



Good luck!



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Last edited by B4_685; 11-04-2019 at 08:59 PM.
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  #17  
Old 11-05-2019, 10:05 PM
bornleo369 bornleo369 is offline
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Mein Auto:
Thanks all for the suggestions.
The problem has been rectified. Turns out that bank 1 exhaust and bank 2 intake solenoids were bad. Changed and replaced.
No metal present in oil filter and technician said there are no metal shavings in oil.

Now no fault codes are coming . no check engine light on.

CAR RUNS LIKE A MOFO BEAST.

Thanks once again.
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