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Resources for the Repair and Maintenance of your BMW M6

BMW M6 Models:

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BMW M6 Problems

Drive Train -- Verified

During tight, slow speed turning, a rubbing noise can sometimes be heard from the rear of the car. This noise is likely coming from the clutches in the limited slip differential. If the noise persists, the differential fluid can be replaced with a special oil available from BMW. On higher mileage vehicles, this noise may never be eliminated unless the differential is replaced.

BMW M6 Recalls (Recent)

Electrical & Lights, March 23, 2012

RepairPal Expert Overview:

The insulated connector for the positive battery cable may have been incorrectly attached to the trunk floor panel, which can lead to a loosening of the bolt connection. Loosening of the connection can cause an increase in electrical resistance and overheating of the cable connection, which could lead to a fire, even when the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been completed. Dealers will secure the battery bolt cable connection as necessary to correct this concern.

 

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Engine, September 28, 2012

RepairPal Expert Overview:

Due to a manufacturing process error, the oil pump driveshaft could separate from the pump rotor. Separation of the pump's rotor could lead to a sudden loss of oil pressure causing the possibility of complete engine failure, resulting in an engine stall-like condition, increasing the risk of a vehicle crash. Dealers will replace the engine oil pump to correct this concern.

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BMW M6 Questions and Answers

m6carguy, 2007 BMW M6, Wexford, PA

I have a distinct clunking noise from the rear differential especially in the drive mode of the smg. After coming to a complete stop, the transmission is slow to engage first gear upon acceleration...

victor247, 2007 BMW M6, Chicopee, MA

I was just driving the car the other day with no issues. Long story short, my electrical parts such as the ecu and trans computer got wet, so did the passenger floor. I don't really want to go...

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BMW M6 Reviews

My M6 for the most part is my favorite car of all time, and ive had over 100+ vehicles. I`ve had it doing 160 MPH before having to slow down for traffic on the thruway, which showed how awesome the brakes are, on that car. I thought 160 was pretty good for only using 6 of the 7 gears in the trans. I too hear a noise when i turn sharply to the right in the rear end of the car though. Reading reviews i guess its something to do with the differential. Then recently it hasnt been shifting quite right. Last time i took it in for a check up on some issues i was having with the oil cooler mysteriously getting a hole in it. They also replaced the positive cable for the recall( which was done incorrectly)Anyhow i wanted tem to check the trans. and im not sure if they did, cuz when your at a complete stop, sometimes when re-engaging the clutches, it engages hard, which i dont like. Im pissed that BMW of Rochester NY did a piss poor job at replacing the poitive cable and not checking the transmission out. That was 1700 dollars well spent. So anyone dealing with BMW of Rochester be weary. Lets recap what happened. I went to a movie and i knew i was low on gas, but i figured id fill up after the movie. I came out and the car did nothing. Thinking there was a switch not allowing it to start because it was so low on fuel i went and bought a gas can and some high test, and put it in. Still nothing when i tried to start it. I popped the hood and checked the cable that was just replaced and it pulled right out of the junction box. Not having any tools,I found a dime to act as a shim and wedged that and the cable into the junction box. I got in the car and hit the start button and low and behold it started. I then drove straight home and spent an hour repairing BMW of Rochesters F--- Up. I was not a happy camper. I tried emailing them but both emails bounced right back to me. So does anyone know a reputable dealer who treats customers like they should be treated?

I have experienced the exact same issue with my 07 m6. I too had the flange and lube bulletin performed without any improvement or success.
I have had two dealers look at this issue and they are non responsive. I am going to have one more dealer evaluate this issue and then file a civil compliant against BMW this month. For a vehicle with an MSRP of $109000 BMW has to correct this issue or face the consequences.

I purchased this vehicle used with 23,000. I have a problem with a rear diff clunking noise when shifting. Other than this isssue the vehicle is perfect. BMW has a bulliten and fix for this problem but I just had this done and BMW's (new flange and lube replace) fix did not correct the problem. I believe that all M5's and M6's have this problem and BMW needs to address or face a class action law suit which I will be happy to initiate.

this car is the shiz

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