All the things you should NOT do when buying an E61 M5 - BMW M5 Forum and M6 Forums
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post #1 of 22 Old 16th June 2019, 09:50 AM Thread Starter
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All the things you should NOT do when buying an E61 M5

Hello friends,

Brand new member, first post. I will explain in more detail shortly, but for now I need your advice please.

You remember that scene in ‘Herbie goes bananas’ when the bad guy puts Irish coffee into Herbie’s fuel tank, and Herbie goes....bananas. That’s exactly what happened to my M5 touring yesterday. Completely bat %%^£ crazy. Wipers going, headlights on and off, door locking and unlocking, gauges lighting up like July 4th, ALL of the warning signs, etc.

A quick search on the net = check the spare wheel well (which is actually the electronics and battery well) for water.

As soon as I open the boot i can see condensation. I life the boot pan and I see water in the tools section. I open the left cubby and all the Electricals are covered in water. I lift the tool section of the boot and I see 3 inches of water. It’s all over all of the modules, the battery etc.

That explains it.

The question is: where is it coming from:
1. Blocked hose ends from the pan roof in the left and right cubbies
2. Rear headlight seal
3. Rear boot seal

None of these, I believe explain how the water has dispersed from the left hand cubby hole, throughout the entire boot area, UNLESS, when the hose ends from the pan roof become blocked due to the grommets at the bottom, the pipes leak not from the bottom, but from the top of the pipe, in the sun roof cassette somewhere.

As I type this, I think that must be the explanation.

So what I think i need to do, is to remove the grommet by pulling hard on the hose, then to clear out the pipes by remove the pipe entirely and blowing compressed air through them.

I know the headliner needs to be dropped for the second point. I haven’t searched for it yet, but i assume there will be a DIY on here somewhere.

Any tips?

A pleasure to meet you all.

Y
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post #2 of 22 Old 16th June 2019, 09:56 AM
zarnd1
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Sorry to hear you are having problems. Any pictures of your touring? My Touring is Silverstone

Mine looks like it has had water in the back at some point in its life.

Keep us updated please.

Cheers


Sent from my iPhone using Tapatalk

Alex

2007 M5 Touring
2012 Mini JCW GP2
2009 Caterham Supersport Race car
2005 Range Rover Vogue SE Supercharged
2004 SL55 AMG
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post #3 of 22 Old 16th June 2019, 04:07 PM
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Garage
A relatively common issue with e61 wagons. At least for 535i in the states, never got the "estate" M5 here though I'd think the issues/solutions would be the same.


If memory serves, water can get in on the hatch via the antenna amplifier. A little bit of silicone sealant will fix it. Also can check sunroof drains, they get clogged super easy.


Edit because I'm a super good speller

07 6 speed E60 M5
12 6 speed E93 M3

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post #4 of 22 Old 16th June 2019, 04:45 PM
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My vote goes to the drain hoses. All tourings with panorama roof are affected special equipment option "indoor pool". Those drain hoses should be cleaned every year. Dealer will do it in "vehicle check" which is scheduled once per year. Vehicle check costs only 54€. If you are diy'er add those in your maintenance plan.

You can rule out seals by going in the trunk and ask some one to spray water from outside to seams etc.

With tourings you should be always careful when using pressure washer. Trunk spoiler area is very sensitive to the water and it can ruin your diversity antenna amplifier which is located under the spoiler.

BMW E61 ///M5 -07


Ex. BMW E39 ///M5 -01

Current mods: Short shifter, Custom clutch stop, Alpha-N + Power tuning by Evolve, AP coilovers, HEL brake lines.

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post #5 of 22 Old 17th June 2019, 12:53 AM Thread Starter
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Quote:
Originally Posted by zarnd1 View Post
Any pictures of your touring?
These are the only pics I have so far:
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post #6 of 22 Old 17th June 2019, 12:55 AM Thread Starter
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post #7 of 22 Old 17th June 2019, 01:04 AM Thread Starter
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Nightmare!

This is after I dried up inches of water in the battery compartment. The car could have caught fire! Disconnected battery and moved the polystyrene module holder to find more standing water. In the second photo you can see the little tray is full of water and whatever that module is that I removed, it's suffering from corrosion from water damage!

To make matters even worse, I closed the boot after I removed the battery (IDIOT) and so I had to use jump leads and another car to get power to the tailgate to open it.

I've cleaned the whole area. Now to find the culprit. Will start with the drain hoses. I had a go at pulling them out but they wouldn't budge. Will give it a but more muscle next time to try to get the end grommets to pop off.

Can anyone link me a DIY of how to drop the headliner to access the hoses?

Y
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post #8 of 22 Old 17th June 2019, 06:52 AM
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Good looking car! Tourings are something special. Good luck with the repairs!

Here is a link for headliner removal: https://www.newtis.info/tisv2/a/en/e...lining/DmKI8IR

Here's a link for checking water drain hoses: https://www.newtis.info/tisv2/a/en/e...-roof/IOAWU1i5

BMW E61 ///M5 -07


Ex. BMW E39 ///M5 -01

Current mods: Short shifter, Custom clutch stop, Alpha-N + Power tuning by Evolve, AP coilovers, HEL brake lines.
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post #9 of 22 Old 18th June 2019, 07:49 PM Thread Starter
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The culprit!!!

Put the car back together, the battery is back in, the electrics mostly dry and connected back up. The car started!

Still throwing out lots of errors. Drove it to the garage.

The issue is now that the shop are making noises that this is going to cost moneeeeeeey to replace all the modules.

I'm scared.
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post #10 of 22 Old 18th June 2019, 07:52 PM Thread Starter
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I'll also add that the garage won't allow me to purchase second hand modules. It's all gotta be straight from BMW. Update to follow tomorrow.
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