My German Autobahn Mile Muncher - '01 Titanium Silver E39 M5 - Page 3 - BMW M5 Forum and M6 Forums
E39 M5 and E52 Z8 Discussion 1998-2003 Advertiser's Forum

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post #21 of 293 Old 7th December 2017, 04:44 PM Thread Starter
sreten
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I used bon ami oven glass cleaner to take the glue off of the rear window from removing tint, on a 2000 540i. I found that a steam gun was better than a heat gun for melting the glue when removing tint - so my situation wasn't that bad.
Thanks for the tip! Not sure if I can find the same stuff in Germany, but at least I can get something similar.

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great thread and congrats on your purchase
Thank you!

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Originally Posted by KevinM View Post
Fantastic post and congratulations! I'm glad this M5 fell into your hands and is being brought back to tip-top shape.
Thank you! I'm sure the M5 would say thanks too if it could.

Couple weeks back it had an unusual way of saying thanks by giving me a check engine light for pre-cat o2 sensors and another small diy job.

100 euros later and that was sorted out easily and quickly.
I used OEM Bosch sensor. Very easy job, I didn't even have to remove any undercarriage protection.







Last Saturday I completed the fiddly task of replacing the thermostat.

The winters in Germany are relatively cold and whenever I found myself on the open road, the needle for the temperature would take a big drop.
We all know that it's not good for the engine to work constantly cold and I wanted to remedy that asap.

Let's dig in.



Everything moved out of the way and ready to pull the thermostat housing.



It was a royal pain to get it out. The pipes were really stuck on there and only after I sprayed a dab of WD-40 on the O-rings I was able to pull it out from the engine.





Old tstat removed, surface cleaned and installed the new one. I went with good old Behr.



I replaced all of the while in there items, O-rings on the connecting pipes, temp sensor, aux fan switch, upper radiator hose, radiator drain plug, vanos crush washers...
The water pump has date stamp from 10.07.08 which matches the records that it was replaced in 2008.

I also wanted to replace the lower radiator hose as well, but for the life of me I couldn't disconnect it from the radiator, so I left it alone for now.
I'm coming back for that sucker later with some bigass plumber pliers.





Now the trickiest part to assemble everything correctly.
I really didn't want to do this job again so I got everything clean and then lubed up the O-rings and seating positions with technische vaseline.
I also put a dab of gasket maker on the mating surface of the tstat and water pump to be extra safe and gingerly assembled everything.



Green coolant was present in the system, so I flushed the radiator and the block few times, and refilled with proper blue BMW coolant.



I must say I love the self-bleeding system. Just followed the TIS procedure, turn on the ignition, set the temp to max and blower to low setting. Start filling up and that's it.

I let everything settle down and went to the Christmas market for some Bratwurst and Glühwein.



It was nice chilly 3 °C degrees so perfect time for a late night test drive.

Went to the Autobahn and got some nice readings. The temp needle stayed right in the middle and there are no apparent leaks. Success!



I've put about 200 miles since and everything is great. Temperature is stable and no leaks.

This pretty much brings us up to date with everything I've done so far.

I scored a nice set of Technical Graphite trim awhile back that I plan to install, just need to acquire a leather handbrake lever.
I'm really not a fan of Bruyere club trim in black interior and can't wait to get rid of it.

On the side note, I'm really thinking to pull a trigger on Eisenmann Sport exhaust.
I'm all about keeping the car stock and original, but I think that stock exhaust is just too quiet.
I had a guy coming up to me after I parked and asked me if it is 520i?!
Not that I care, I just want to hear more of that magnificent V8 sound.

Considering all of the German rules and laws, I basically have 2 options when it comes to exhaust, Eisenmann Sport or Supersprint performance/magnum.
Everything else is too loud and doesn't have TÜV approvals. If you put something without proper certificates, means the car will fail inspections and serious troubles with Polizei if they hear me barreling down the road.

I had a chance to hear Supersprint magnum mufflers in person and they seemed somewhat quieter than expected and not that much louder than the stock mufflers.
So I would go with Eisenmann Sport mufflers for sure and if I place an order now, I can take the delivery in mid-January. Decisions, decisions...

Last edited by JohnAnthony; 24th April 2018 at 02:23 PM.
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post #22 of 293 Old 8th December 2017, 12:36 PM
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post #23 of 293 Old 8th December 2017, 12:52 PM
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Good job. Don't forget you can access KTEMP in #7 of the secret menu and watch the tstat behavior on warm-up and normal operating temperatures.

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post #24 of 293 Old 9th December 2017, 10:00 PM Thread Starter
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Nice work on the thermostat. Technical Vaseline, eh? Who knew?
Thanks! Hah, yes. Went to the hardware store and asked for vaseline. Guy chuckled and showed me this. Did the trick!



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Good job. Don't forget you can access KTEMP in #7 of the secret menu and watch the tstat behavior on warm-up and normal operating temperatures.
Thank you. I've been meaning to do that. Good way to follow tstat behavior.

I had a nice road trip to Cologne a few days ago. I just love every second I spend behind the wheel of this beast.

4 people, small luggage and we were comfortably cruising 120-150 mph most of the time. None of my passengers are fans of driving fast, and at no point was I told to slow down.
Just compliments that they traveled comfortable and that the car feels sturdy and safe at the higher speeds. They even loved the sound of the engine.

It truly is the perfect machine to fly down the Autobahn fast and comfortable.

After the trip, I had to wash off the dirt and I used that opportunity to take few pictures.










Last edited by JohnAnthony; 24th April 2018 at 02:24 PM.
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post #25 of 293 Old 10th December 2017, 07:29 AM
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Wow, great thread! I've been busy lately and just saw it but I'm all caught up! Glad it's working out for you and now I remember when you mentioned your plans on going to Italy for it.

No matter how many times I've seen it, it's really fun seeing others go through the same typical repairs/preventative maintenance items. It's like a right of passage.

The previous owner must've really let things go because 45k miles is nothing, but happy to see it in your capable hands. Also your paint looks fantastic; have you polished and waxed it recently or just a simple wash?

Looking forward to more updates!

'03 M5 | 987.2 Cayman | @kian.ski
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post #26 of 293 Old 10th December 2017, 06:09 PM Thread Starter
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Thanks, Kiznarsh! There were few bumps, but everything worked out in the end.

Yeah, doesn't matter how many miles are on the clock, previous maintenance and age is what counts.
PO just kept it in the garage and didn't drive it. He's not a car guy and in his eyes this car was come nuova.
I could've left some things alone, but I like when the car is in a certain way and tip-top shape.

I've done nothing to the paint haha. This wasn't even a proper hand wash, just a quick blast with a pressure washer. Like with every self-serve car wash, hand washing with a bucket is forbidden. I usually ignore that and break out the bucket and microfiber mitt anyway, but the worker was there so I couldn't do that this time.

I know some people are not a fan of TiAg, but it's one of my favorite colors. Easy to keep clean and it will always look good.
The paint is in good condition, but come nicer weather I plan to detail the exterior.

Last edited by sreten; 10th December 2017 at 06:11 PM.
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post #27 of 293 Old 10th December 2017, 06:30 PM
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I let everything settle down and went to the Christmas market for some Bratwurst and Glühwein.


This pic brings back memories of the Christkindlesmarkt in Nürnberg. What a great time. Enjoy!

- Darrell

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post #28 of 293 Old 14th December 2017, 01:38 PM Thread Starter
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This pic brings back memories of the Christkindlesmarkt in Nürnberg. What a great time. Enjoy!
That's awesome! We are actually planning to go to Nuremberg sometime soon. December is a very nice month in Germany with Christmas markets going on all over the place.

I tackled something that pretty much every E38/E39/E53 suffers from. Dead pixels.



My problem was intermittent, when the cabin was cold display would be barely readable, when warmed up all of the pixels were present as you can see from my previous pictures.

I ordered new ribbon cable and needle removal tool from PixelFix.

Cluster ready for surgery.



The cluster was sealed and never opened before, which really makes me wonder how did this insect manage to get itself trapped inside.







Front cover taken off and removed 8 screws that hold the back cover.





Back cover removed. These are the tabs on the connectors that need to be pressed in, in order to release the back cover.





Now comes the part where the LCD needs to be removed. There are 4 screws that hold it to the board located behind the face of the cluster.
Two ways to get to them, either remove the needles and the front panel or drill 4 holes through the white panel.

My initial approach was to remove the needles since I bought the needle removal tool, but after some thinking and researching I decide not to do that and went for drilling.
I was afraid that once I remove the needles I won't be able to put them back in their exact spot and end up with false readings. There's some tension to them and I wasn't confident that I can calibrate them like the factory did.

So drilled the 4 holes and removed the LCD from the board. There's an excellent DIY for this whole task that helped a lot. Once you see where the screws come out on the back, it's tough to drill in the wrong place.







Removed the old ribbon cable and cleaned the LCD and board with q tips and acetone.









Next is to cut the little pieces of the postcard and put them under the 3 red silicone strips so that there is enough pressure on the ribbon cable.



New ribbon cable lined up carefully and held in place with scotch tape.



I made sure that the ribbon cable was lined up perfectly and mounted back the LCD. Installed the back cover and 8 torx screws that hold it.



Cleaned up everything with a microfibre cloth to my satisfaction and assembled the cluster.



Now the moment of truth.



Job well done.

I might've made it look easy with the remove/reinstall pictures and few comments, but I can totally understand why some people don't want to touch this. It's a very time consuming and sensitive task.
Luckily, there's a great DIY thread on here for this and you get detailed instructions and videos with the ribbon cable. Now that I've done it for the first time, next time it would be much easier and faster.

Upcoming weekend project.



Cheers for now!


Last edited by JohnAnthony; 24th April 2018 at 02:25 PM.
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post #29 of 293 Old 15th December 2017, 03:22 AM
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Awesome! This post read like how one of the senior technicians at work talks: "all'z ya gotta do is take the cluster out, swap the ribbon, and then put it back together again. I mean how hard can it be?!"

'03 M5 | 987.2 Cayman | @kian.ski
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post #30 of 293 Old 15th December 2017, 09:12 AM
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