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      10-14-2021, 07:24 PM   #1
Foecartel
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I cant find any info on the issue im having with my M6.
So about 2 weeks ago a bought a 2016 M6 F06 with 61k miles. It has a full inspection done but something still feels off. Have driven it over 1k miles since i got it, Drives like a rocket on the highway, no CEL but Its not as fast as it should be on a standstill or low speeds. its not delivering all the power as it should. I don't intend to but i cant even burn rubber, flooring it in first gear from a standstill or low speeds should do a burn out with dsc off sport+ everything. I cant get it to activate launch control and when im in M mode sport+ everything dsc off foot on the break and press the accelerator it doesn't rev past 1Rpm when it just stops. I know it was a mistake of mines but a friend plugged his carly obd2 and it had tons of faultcodes it was having overall badd reports, and we cleared/deleted the codes but the most memorable ones said something about engine power loss.. any ideas what this could be? I have 60day dealership warranty and also extended but wouldn't want to keep a bad car lol
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      10-14-2021, 09:06 PM   #2
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Without the codes it would be very difficult to put a finger on what the source of the problem(s) are. If you do want to keep the car I would take to an indy bmw/euro mechanic and ask them to road test and exam it. Really all cars are bad cars but that doesn't mean the problem(s) can't be corrected. Now is the time to find out if it is something the warranty coverage will push back on and if it is take it back to the dealer.

In the interim if you can capture the codes again take note to what they are and post them.
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      10-14-2021, 11:15 PM   #3
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Probably has a boost leak somewhere. My charge pipe couplers were so warped from heat over the years they were like plastic almost when I took them off. Made a huge difference performance wise when I first got my car.
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      10-15-2021, 09:53 AM   #4
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Maybe it was tuned and Boost by gear reduction or torque limit is activated since it drive like a rocket on a highway which means you have already passed the 3rd gear. Check that out before everything.
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      10-15-2021, 12:04 PM   #5
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Originally Posted by M6Roar View Post
Maybe it was tuned and Boost by gear reduction or torque limit is activated since it drive like a rocket on a highway which means you have already passed the 3rd gear. Check that out before everything.
First i want to say thank you to everyone who has taken time to give their opinion I really appreciate it. As for the possible tune, i was thinking of taking it to bmw tomorrow to take a look? I did noticed after i took it home it does have a modded exaust atleast the tips and its missing the box looking like thing thats with the tips (iknow i sounded like such a noob lol) but it doesn't sound any louder. And iknow this has nothing to do with my possible boost problems but the car came with 2 devices one thats connected by the radio its small blue and says radar laser (i have an idea of what it might be) and one that I believe its a small speaker that says escort and has an optical cable, its located where you place your left foot.
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      10-15-2021, 01:22 PM   #6
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I highly recommend taking it to an Indy Bmw shop to at least pull the codes. You can look for boost leaks by running a smoke test, I would also verify that the wastegates are opening and closing properly.
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      10-15-2021, 03:13 PM   #7
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Originally Posted by project///mmotors View Post
I highly recommend taking it to an Indy Bmw shop to at least pull the codes. You can look for boost leaks by running a smoke test, I would also verify that the wastegates are opening and closing properly.
Thanks I appreciate the input, and actually an indy bmw tech called me since i had requested help and we scheduled to take my car in after icome back from vacation on the 27th. He's going to take a look at it and see whats wrong, he also mentioned what i think he said was a carbon tune that does that would push it to 700+hp 700+tq but it was just something he mentioned he did. This is their site for reference. https://bmwservicect.com/
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      10-15-2021, 07:26 PM   #8
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Originally Posted by project///mmotors View Post
I highly recommend taking it to an Indy Bmw shop to at least pull the codes. You can look for boost leaks by running a smoke test, I would also verify that the wastegates are opening and closing properly.

Sage advice and welcome to the Forum. Are you in IG as well?
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      10-15-2021, 07:35 PM   #9
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Originally Posted by Foecartel View Post
Thanks I appreciate the input, and actually an indy bmw tech called me since i had requested help and we scheduled to take my car in after icome back from vacation on the 27th. He's going to take a look at it and see whats wrong, he also mentioned what i think he said was a carbon tune that does that would push it to 700+hp 700+tq but it was just something he mentioned he did. This is their site for reference. https://bmwservicect.com/

Glad to hear you are taking it to and indy and enjoy the vacation. If the exhaust tips and muffler have been changed then there is a really good chance it has other mods. Sad to say but the prev owner may have removed some items in haste and in that action not closed things up properly.

In regards to the escort hardware left behind did you happen to notice any additional sensors likely in the center area of the front/rear bumpers? Sounds like it might be a concealed install escort radar detector w/ laser shift.
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      10-16-2021, 03:15 PM   #10
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Originally Posted by TinCanSailor View Post
Quote:
Originally Posted by Foecartel View Post
Thanks I appreciate the input, and actually an indy bmw tech called me since i had requested help and we scheduled to take my car in after icome back from vacation on the 27th. He's going to take a look at it and see whats wrong, he also mentioned what i think he said was a carbon tune that does that would push it to 700+hp 700+tq but it was just something he mentioned he did. This is their site for reference. https://bmwservicect.com/

Glad to hear you are taking it to and indy and enjoy the vacation. If the exhaust tips and muffler have been changed then there is a really good chance it has other mods. Sad to say but the prev owner may have removed some items in haste and in that action not closed things up properly.

In regards to the escort hardware left behind did you happen to notice any additional sensors likely in the center area of the front/rear bumpers? Sounds like it might be a concealed install escort radar detector w/ laser shift.
Thanks for the input and for the vacation wishes.
And even though I haven't posted any pictures yet my ig is @foecartel ill follow back lol

And that makes a lot of sense that an exhaust mod would be the only mod done to it. Hopefully it's nothing major since its only that issue when im at a full stop trying to launch control but can't rev past 1rpm. Once the car gets going it becomes a rocket on land, idk if this is normal on the stock m6 but i hit the limiter 155 in 5th gear easy.
But now i have a little theory, lets say this car was tuned/modded and it was brought back to normal as much as possible before they traded it in at the dealer i got it from. The dealer offered me vehicle service contract aka extended warranty and i took it, correct me if im wrong but modding/tuning a car voids extended warranty even if it's brought back to normal? So in theory if my car was tuned before me then my car voids warranty but i still have it. God forbid but lets say i tune it again and something happens that requires major expensive repairs, would i be covered? I am not trying to entice anything illegal but would an indy bmw tech specially the one who would tune my car look the other way and fix the car and not report any tunes to the dealership i got it from who would be paying for the repairs?

And about the laser escort thing i get it now i did some research the previous owner did have a whole set up with lasers in the bumpers and all, more than just a radar for LE lol
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      10-16-2021, 03:18 PM   #11
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Im also wondering out of curiosity, why do you guys recommend an indy BMW tech vs and official BMW dealership tech?
I mean i get why i would prefer an indy tech for mods and tunes vs the official guys but any other reason?
Do you guys also recommend going indy for regular maintenance?
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      10-16-2021, 03:35 PM   #12
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Foecartel they probably recommended Indy simply due to cost and sometimes transparency. Unfortunately some dealers are quick to throw in the towel and say they can't figure it out / are unexperienced with remedying problems caused by aftermarket tunes or components. I am a BIG fan of indy shops in general, and I would certainly recommend indy for maintenance or dealer. There's lots of good shops out there with great reputations.
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      10-16-2021, 05:01 PM   #13
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Originally Posted by JDMSteven View Post
Foecartel they probably recommended Indy simply due to cost and sometimes transparency. Unfortunately some dealers are quick to throw in the towel and say they can't figure it out / are unexperienced with remedying problems caused by aftermarket tunes or components. I am a BIG fan of indy shops in general, and I would certainly recommend indy for maintenance or dealer. There's lots of good shops out there with great reputations.
100% agreed.
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      10-16-2021, 05:09 PM   #14
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Originally Posted by Foecartel View Post
Im also wondering out of curiosity, why do you guys recommend an indy BMW tech vs and official BMW dealership tech?
I mean i get why i would prefer an indy tech for mods and tunes vs the official guys but any other reason?
Do you guys also recommend going indy for regular maintenance?
My experience with indy shops is that they are looking for a long term customer and will be much more transparent with you. Add to that pricing is usually better and almost all of them will advocate for you with the extended warranty coverage.

If you go to a dealer with warranty work there is a manuf rate of time/pay that gets paid to the dealer service shop. If you go to that same dealer with out of warranty work that same job is going to cost you more as the real/public time/rate is higher. Most of the indy shops out there do flat rate pay but a majority of the techs are really good at what they do and can therefore make more money. Typically there is a realized savings for the customer from the indy shops.

I had my engine rebuilt after rod bearing problem. BMW quoted me 54k dollars I got it done for a lot less by an indy shop that specializes in my car.
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      10-16-2021, 05:14 PM   #15
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Originally Posted by Foecartel View Post
Thanks for the input and for the vacation wishes.
And even though I haven't posted any pictures yet my ig is @foecartel ill follow back lol

And that makes a lot of sense that an exhaust mod would be the only mod done to it. Hopefully it's nothing major since its only that issue when im at a full stop trying to launch control but can't rev past 1rpm. Once the car gets going it becomes a rocket on land, idk if this is normal on the stock m6 but i hit the limiter 155 in 5th gear easy.
But now i have a little theory, lets say this car was tuned/modded and it was brought back to normal as much as possible before they traded it in at the dealer i got it from. The dealer offered me vehicle service contract aka extended warranty and i took it, correct me if im wrong but modding/tuning a car voids extended warranty even if it's brought back to normal? So in theory if my car was tuned before me then my car voids warranty but i still have it. God forbid but lets say i tune it again and something happens that requires major expensive repairs, would i be covered? I am not trying to entice anything illegal but would an indy bmw tech specially the one who would tune my car look the other way and fix the car and not report any tunes to the dealership i got it from who would be paying for the repairs?

And about the laser escort thing i get it now i did some research the previous owner did have a whole set up with lasers in the bumpers and all, more than just a radar for LE lol
Yeah I suggested the indy shop because they may have more incentive to advocate for you/the customer. The whole modded car and warranty paradox is a weird issue. How could you as the customer know the car was modded or even the dealer you bought it from esp if that dealer is outside the whole bmw eco system. For that I would suggest seeking advice from an attorney that specializes in such matters or cold call the warranty company from an unattributable number and ask those questions.
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      10-17-2021, 12:40 PM   #16
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Sooo now i have a new problem, literally 5 minutes ago as im driving home from work cruising on the highway i start to hear sort of a rattling noise coming from under the car and it's getting louder as i drive and start to lose power then all of a sudden, it really loses power on the highway and the low oil pressure light comes on the idrive screen telling me to pull over, then the drivetrain warning comes on. By the time im able to get off the highway and into the nearest gas station the rattling noise is very loud and i notice it comes on when i press the accelerator. I just ordered an uber about to go home n see what i can do now. Im assuming icant drive it anymore right now so i must tow it, if thats the case then id like to see if i can have it sent to the guys who are going to take a look at it anyways when i get back from vacation. What do you guys think the problem is now? Thankfully im still under the 60day warranty from the dealer.
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      10-17-2021, 01:42 PM   #17
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Quote:
Originally Posted by Foecartel View Post
Sooo now i have a new problem, literally 5 minutes ago as im driving home from work cruising on the highway i start to hear sort of a rattling noise coming from under the car and it's getting louder as i drive and start to lose power then all of a sudden, it really loses power on the highway and the low oil pressure light comes on the idrive screen telling me to pull over, then the drivetrain warning comes on. By the time im able to get off the highway and into the nearest gas station the rattling noise is very loud and i notice it comes on when i press the accelerator. I just ordered an uber about to go home n see what i can do now. Im assuming icant drive it anymore right now so i must tow it, if thats the case then id like to see if i can have it sent to the guys who are going to take a look at it anyways when i get back from vacation. What do you guys think the problem is now? Thankfully im still under the 60day warranty from the dealer.
Judging from my own experience it sounds like the rod bearings. Did you see any smoke or oil under the car? Same thing happened to me taking my wife out for a birthday dinner with friends right before the Rona showed up.

If your warranty will cover it then I'd have it rebuilt or buy a rebuilt from @RKAutowerks and drive on in confidence. I have an absolutely mint car now and couldn't be happier.
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      10-17-2021, 02:02 PM   #18
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As always im very appreciative of your inputs it means a lot. As for the dealership warranty depending on the miles it covers im atleast covered in days they gave me 60 days and im just under 2k miles but worst case scenario the extended warranty covers it. I've only read very bad news when it comes to rod bearings most of the time owners don't have warranty and they just give up on fixing the car. If this is the case where it requires rebuilding the engine i assume the dealer will cover it either under their 60day or my extended. As for the oil leak and smoke I didn't see any but it could very well have been. I did see what i thought was water dripping under near the front by the tires as i was leaving. I contacted some lemon lawyers they're going to return my call to go over what happened ill also mention the confirmed modded exaust and possible tune.
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      10-17-2021, 02:54 PM   #19
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Glad to be able to help but sorry to hear that your experience has started off like this so quickly; I had a similar start with my M6 but I am in a much better position with it now. Sadly my expenses were out of pocket.

The water you saw was likely from the Air Conditioner condensation line. If it just turns out to be a rod bearing issue stay engaged on what sort of repairs they do if they decide to handle it themselves. On the surface it would seem like a simple exchange of bearings would do the but there could be bent rods, metal bits in the lubrication system etc. So if the job is not done properly it could raise its ugly head again.

It may be different state by state but usually lemon laws apply to new cars that have been to the dealer for service of a failed car 3 or more times. Let us know what you hear on that front though.

I sincerely wish you much success with this car as they are great automobiles.
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      10-17-2021, 11:11 PM   #20
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Right now we pretty much know for sure that your car threw a rod. I think itís better that you should contact the dealer you bought it from n have them tow it. It should be free and let them sort it out themselves since youíre still under warranty. Donít touch/mess with anything just in case they may blame it on you. Oh, if you can check the oil level, make sure it is not low just so the dealer doesnít have a reason to blame it on you. Best of luck man.

Last edited by Kamate; 10-17-2021 at 11:17 PM..
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      10-18-2021, 12:34 AM   #21
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Yeah good points on sending it to the dealer and oil. But trying to get it to start and to running temp might be a tough task at this point.
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      10-18-2021, 05:42 PM   #22
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Scary I wounder if the oil pump failed especially if the low oil pressure light came on. Or possibly what you thought was water dripping was a very bad oil leak. Definitely want to see the diagnosis on this one.
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