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Nav drive breaks over night

1507 Views 15 Replies 6 Participants Last post by  farquy, 
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Like it says on the tin.

I was travelling from Rotterdam to Hull on the over night ferry. I used my mk4 nav to get me from Germany to the ferry port in Rotterdam, with no faults what so ever. Parked up on the ferry and went to my cabin. On arrival to the UK the next morning I got in the car and drove off the ferry. Tried to program in my destination and got the

"Please wait a moment"

followed by the message

"Error in reading map CD/DVD
Please check CD/DVD"

I have had this drive for over a year with no problems at all. It is running the v29 software with the latest DVD purchased from BMW 3 months ago.

Things I have tried to rectify the problem

I ejected the DVD and reinserted it. I got the same message.
I drove to BMW and tried a brand new, sealed DVD. Still the same thing.
I have unplugged the drive and refitted it. Still the same message.
I have unplugged the drive for 24 and took the car for a drive before refitting the drive. But nothing.
I have even used one of these lens cleaning cd's on it and it still doesn't read the DVD.

The red power light on the drive is lit and flashed, it sounds like the drive isn't spinning the disk up to speed properly.

Has anyone here had the same thing happen, literally over night or not, or know what is wrong and whether its possible to fix, or do I have to bite the bullet and buy a new drive. BMW did offer to do a diagnostics on my car to find the problem, at a 50% reduction labour rate because the beast is over 5 years old. I was almost going to do that until they said labour was £140 per hour ($280) I was damned if I was going to pay even at the reduced £70 rate. This was the BMW garage in Leeds (U.K.) which isn't my regular dealer.

Hope somebody can help,
Thanks in advance.

Farquy.
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Like it says on the tin.

I was travelling from Rotterdam to Hull on the over night ferry. I used my mk4 nav to get me from Germany to the ferry port in Rotterdam, with no faults what so ever. Parked up on the ferry and went to my cabin. On arrival to the UK the next morning I got in the car and drove off the ferry. Tried to program in my destination and got the

"Please wait a moment"

followed by the message

"Error in reading map CD/DVD
Please check CD/DVD"

I have had this drive for...
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1 - 4 of 4 Posts
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6,599 Posts
#2 ·
Hi Farquy,

Unfortunately, unless you are an electronics technician, there rally isn't anything in the MK4 (or any others) that is user serviceable except the trimble unit (gps receiver).

In your case, the issue has nothing to do with the trimble, but rather the guts of the unit.

Were you me (or I you, I suppose :)), I would take the drive (which is useless, anyway, right?) to a computer shop that performs DVD drive repairs. Because in all reality, what you have is either a broken drive motor or a broken read head. Neither is complicated to fix, but neither is user-serviceable either.

Just my 2 cents - sorry :(

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6,599 Posts
#6 ·
g9s8r said:
Interesting. I'd like to know the final results on this. Mine has been acting up similarly. However, I haven't done anything to remedy this problem. My unit will just stop navigating and freeze. If I play with it to get it back, the music cuts out. Sometimes, it will just reboot on its own to remedy the problem. Usually with the end result as can't read disc. I think I will try the Jclyman method. :M5thumbs:
Please keep us posted on the final results. :byee55amg
Click to expand...
You have larger issues if playing with the nav system causes your stereo to stop playing. I'd double-check to make sure all of your harnesses are securely seated...

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6,599 Posts
#15 ·
farquy said:
I know some of you guys were interested as to what I found.

I took Douglas' advice and went to a local computer shop, I know the guy there through a friend and he is quite knowledgeable by all accounts.

He took the DVD Nav drive for a day, his findings were that the laser in the drive is a dual one, apparently its quite common in the computing world. One laser to read CD's and one to read the DVD's (but both in the same unit)

He said that the DVD one was broken but not the CD one. As for parts, there are none that he could replace them with except from the makers of the drive, but he doubted that they'd even sell bits like that, rather you replace the whole drive 'of course'

I tested his dual laser theory, and it worked. I plugged the drive back into my car, and inserted new map DVD, got the same message as before. I ejected the DVD and inserted the latest software CD, which loaded and installed the new software.

I guess i'll just sell the old drive on ebay as 'spares or repairs' and see what i get.
Click to expand...
MK4's can also run off CD map discs. It may be a pain to change the discs while traveling, but it will save you the cost of a new drive...

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