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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 7 Series / 8 Series > 7 Series - E65 / E66 (2002 - 2008)

7 Series - E65 / E66 (2002 - 2008)
Discussion of BMW's 4th generation E65/E66 7 Series flagship. The E65 generated much controversy, due to its radical styling and iDrive user difficulties. Nonetheless, the E65 broke records to become the best-selling 7-series iteration ever, especially after its 2005 facelift.

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  #1  
Old 09-24-2014, 12:57 PM
Monaco&Barbera Monaco&Barbera is offline
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Dealership visit #4 in 2 months

If you all have seen my previous posts you already know the situation.

2 months ago started passenger airbag fault - replaced

Next visit the transmission and guibo flex disk replaced

Next visit the water pump failed and was replaced also angel eye replaced.

Driving back from class on cruise at 70 mph the car dash lights up with the dynamic drive symbol - park brake malfunction signal - ABS warning symbol says brake drive malfunction drive moderately - park brake malfunction emergency braking not available - stationary park brake available.

Does anyone have an experience with this? I drove straight to the dealer and they got me in immediately. Just took the car back to read codes. Thank God for a solid service manager and service advisor.
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  #2  
Old 09-24-2014, 02:51 PM
Monaco&Barbera Monaco&Barbera is offline
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update... Even after restarting the car in the service line with the service advisor multiple times and having the lights still on apparently the service tech got in the car and they were off. test drove and no lights. Found memory of the faults but nothing else. Said it may be speed sensor and sent me on my way? 2 Hours waiting for nothing.
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  #3  
Old 09-24-2014, 03:33 PM
Silent_dog Silent_dog is offline
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Battery voltage might be low. If it is not charged up by the alternator, you will get a stream of errors.

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2003 745Li. Water pump, AGA pipe, valley pan cover, reservoir. Water cooled alternator bracket gasket. MAF. Vanos solenoid seals. Cam's position sensor seals. Removed and physically checked guibo, as new. Transmission oil pan, sleeves, adapter. Oil sensor, Oil pressure switch. Used RightStuff silicon to seal the following: upper timing cover, vacuum pump inner seal, lower oil pan. MacGyver style without parts: hood open cable, boot hydraulic system.

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  #4  
Old 09-24-2014, 04:26 PM
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First_745Li First_745Li is offline
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Man, I think those bastards at the stealership are wrecking your car. Fix one thing break two others.


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  #5  
Old 09-24-2014, 05:51 PM
Monaco&Barbera Monaco&Barbera is offline
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Quote:
Originally Posted by First_745Li View Post
Man, I think those bastards at the stealership are wrecking your car. Fix one thing break two others.


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I must say it is getting quite frustrating...
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  #6  
Old 09-24-2014, 07:01 PM
meangreen94z meangreen94z is offline
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None of those things have anything to do with each other, and are all common failure points. I would have to see the fault codes for the latest issue to get an idea. The car is basically 5 cars in 1 rolling down the road.With 60+ control units and thousands of sensors,solenoids, and actuators, there's alot of places for something to fail. It's not for everybody, but if you can accept things can break, and sometimes in spurts, its a nice car.
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  #7  
Old 09-24-2014, 07:47 PM
Monaco&Barbera Monaco&Barbera is offline
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Quote:
Originally Posted by meangreen94z View Post
None of those things have anything to do with each other, and are all common failure points. I would have to see the fault codes for the latest issue to get an idea. The car is basically 5 cars in 1 rolling down the road.With 60+ control units and thousands of sensors,solenoids, and actuators, there's alot of places for something to fail. It's not for everybody, but if you can accept things can break, and sometimes in spurts, its a nice car.
Lol I can certainly accept things break in the car and take it promptly to the dealership every-time and also the car is meticulously maintained by my BMW dealer. I have developed quite the relationship with my service manager and advisor. Here is the cars history in the last year to year and a half... All repaired

Trunk failure - hydraulic leak
Leather fold up on rear shades - leather re-done
Front seat extension failure - actuator replaced
Rear left door handle convenient access failure - handle replaced
3 actuators for soft close replaced
Car overheated briefly due to fan failure causing coolant receiver to burst - replaced
Engine Light - 02 sensor failure - replaced
Engine light again - thermostat replaced
Passenger restraint system fault - seat pad sensor replaced
Hard shift 2-3 - Transmission replaced - guibo flex disk replaced
Odd Noise - Water pump failure
Found oil leaking - Oil leak repaired (This happened 2x in different places 3 months apart)
Now the errors found today which are now miraculously gone.

(Thank God for CPO otherwise my repairs would total most likely close to what the car is worth now)

Service advisor said maybe speed sensor or brief disconnect in signal in electrical system. How can all of those errors come up at the same time if they are separate failures then all be gone at the same time as well?
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Last edited by Monaco&Barbera; 09-24-2014 at 07:50 PM.
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  #8  
Old 09-24-2014, 08:43 PM
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745on22s 745on22s is offline
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Dealership visit #4 in 2 months

Makes you think what you gonna do when your warranty runs out?
By the way had the same issues a couple of times then my Alternator went out guess it was working off/on making my Battery go low before it finnaly died


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  #9  
Old 09-24-2014, 09:56 PM
Monaco&Barbera Monaco&Barbera is offline
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Quote:
Originally Posted by 745on22s View Post
Makes you think what you gonna do when your warranty runs out?
By the way had the same issues a couple of times then my Alternator went out guess it was working off/on making my Battery go low before it finnaly died


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Yeah it will be time to move on when warranty is done I keep looking but just have not found anything that I would pull the trigger on. I will have to ask my service advisor about the alternator if it occurs again.
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  #10  
Old 09-24-2014, 10:19 PM
Darth Beemer Darth Beemer is offline
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It's a speed sensor. Make sure your tires are at proper psi. If ones lower than the other it'll cause it to go off. Happened to me


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  #11  
Old 09-25-2014, 10:30 AM
Monaco&Barbera Monaco&Barbera is offline
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Originally Posted by Darth Beemer View Post
It's a speed sensor. Make sure your tires are at proper psi. If ones lower than the other it'll cause it to go off. Happened to me


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THANK YOU at least if it happens again I can go to the dealer knowing what to expect. Did you have it happen just once then off like me or replace the speed sensor?
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  #12  
Old 09-25-2014, 12:27 PM
Monaco&Barbera Monaco&Barbera is offline
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Get in car after class today and now it says Driver restraint systems fault - Leading me to believe it is battery causing all of this. I go into the service menu in dash and check operating voltage and it is steady at 13800 MV If I am not mistaken thats right around where it should be correct?
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  #13  
Old 09-25-2014, 07:21 PM
robin24k robin24k is offline
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Quote:
Originally Posted by Monaco&Barbera View Post
Get in car after class today and now it says Driver restraint systems fault - Leading me to believe it is battery causing all of this. I go into the service menu in dash and check operating voltage and it is steady at 13800 MV If I am not mistaken thats right around where it should be correct?
Charging voltage will vary between 14.0V and 15.5V, depending on outside temperature. 13.8V is slightly low, but what is the resting voltage? Check it again in the morning.
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  #14  
Old 09-26-2014, 10:07 AM
meangreen94z meangreen94z is offline
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Quote:
Originally Posted by Monaco&Barbera View Post
Get in car after class today and now it says Driver restraint systems fault - Leading me to believe it is battery causing all of this. I go into the service menu in dash and check operating voltage and it is steady at 13800 MV If I am not mistaken thats right around where it should be correct?
Was it a yellow or red airbag light? If its yellow, its typically the drivers seat occupancy detector. It's only there to prevent the car from driving off, if you were to get out of the car while the car was still in gear.

13.8v is fine for charging voltage. Sorry sounds like your car has turned into a headache, my car is 4 years older and seems alot more reliable.
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  #15  
Old 09-26-2014, 11:06 AM
Darth Beemer Darth Beemer is offline
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Quote:
Originally Posted by Monaco&Barbera View Post
THANK YOU at least if it happens again I can go to the dealer knowing what to expect. Did you have it happen just once then off like me or replace the speed sensor?

It went off every time I turned off the car. Then would I would exceed about 50 it would come back on. Aired all my tires to the same psi. Hasn't happened since.


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  #16  
Old 09-30-2014, 02:33 PM
Monaco&Barbera Monaco&Barbera is offline
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So none of the other error messages are coming up. Now just the driver restraint system is still on. At the dealer now they have it back for diagnostics. Said battery was at 13.2 for their key data. They are doing a battery inspection and diagnosing. Think the driver light is battery related? I swear this car has to go. As soon as everything is repaired I am taking it to get rid of.
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  #17  
Old 09-30-2014, 06:22 PM
Monaco&Barbera Monaco&Barbera is offline
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It was driver occupancy as meangreenz94 thought! Replaced under warranty
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  #18  
Old 09-30-2014, 07:22 PM
fratan fratan is offline
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Most of your repairs are because you have a warranty and the stealership makes money from the manufacturer on those repairs. I have a 2006 750I and bought it at 89,000 with no warranty. I had to do some of the major repairs but now at 140,000 miles I feel confident that the major work is behind me.
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Old 09-30-2014, 07:33 PM
meangreen94z meangreen94z is offline
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So in other words your car is probably falling apart. There are people out there who prefer to resolve issues immediately, not ignore it until it leaves them stranded. I love it when guys say stealership this and stealership that, as though the whole reason BMW built their car was so they could pick it up 10 years down road for $15k. I applaud the original poster for actually taking care of his vehicle, which 99% of current E65 owners do not.
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  #20  
Old 09-30-2014, 07:49 PM
robin24k robin24k is offline
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Originally Posted by meangreen94z View Post
I applaud the original poster for actually taking care of his vehicle, which 99% of current E65 owners do not.
I'm not so sure about that. Maybe it's the desert heat or driving style, but for the last model year, he does seem to have an unusually large number of issues.
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Old 09-30-2014, 08:01 PM
meangreen94z meangreen94z is offline
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I've seen '02 745's that were freaks and relatively reliable, and Ive seen '06-08 750's like his. There were improvements over the years, but there is also a long list of inevitable common problems. Most of what he listed are common repairs(aside from maybe the electric fan failure), but typically spread out over time.
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  #22  
Old 09-30-2014, 08:25 PM
robin24k robin24k is offline
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Quote:
Originally Posted by meangreen94z View Post
Most of what he listed are common repairs(aside from maybe the electric fan failure), but typically spread out over time.
Exactly, his car is ~6 years newer and requiring the same repairs as older or higher mileage cars. For example, I replaced the water pump last year at 92K, but it was purely preventative. I'm also on my third battery, which I keep topped off by charging on the weekends every once in a while (speaking about the battery, at 6 years, his is probably due for replacement).

Las Vegas heat certainly won't be doing all those plastic parts any good, so I suspect the coolant system issues might be related.
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  #23  
Old 10-01-2014, 12:50 PM
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The picture of my 750I doesn't look like it is falling apart. I have read a lot of threads like the last poster that has a warranty but will get rid of their 7 series once the warranty expires. If you know the history and have maintain the car there is no need to get rid of it. Most of the posters that have warranties bring their cars in all the time for the minor issues.
I'm satisfied with maintaining these fantastic cars. It also nice to pick them up for under $20,000 and drive them forever.
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  #24  
Old 10-06-2014, 10:58 AM
Monaco&Barbera Monaco&Barbera is offline
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Now I think I am on visit #6 or so... The brake system, abs system, dynamic drive system etc lights kept going on with long drives. left the car there the last 3 days while they got in the part needed. They are replacing the DTS Module.. Can anyone explain what that is? Is it related to the DTC system?
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  #25  
Old 10-06-2014, 03:19 PM
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745on22s 745on22s is offline
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Dealership visit #4 in 2 months

Abs module and yess i just had mine rebuilt causes dtc and other lights go on. I did this myself sent unit out to rebuilt with lifetime warranty for $95 on ebay. Im wundering what the dealer charges


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