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by songzunhuang
Wed Jun 24, 2020 4:15 am
Forum: The Saloon
Topic: Thoughts on a potential change...
Replies: 35
Views: 1208

Re: Thoughts on a potential change...

I'm all in for a program that'll keep things running.
If it wasn't for this site, I wouldn't have an e24. Seriously.
I've chronicled the entire history of my car on this site. Let me know what needs to be done to keep it going and how I can help.
by songzunhuang
Mon Jun 08, 2020 4:26 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Darn non-existent ATF leak!

If you followed my thread, you know that about a month ago a bunch of ATF dumped on the driveway. I have been trying to track this down for a month now. I cleaned up the area and then drove the car around several times. I've crawled under my car at least 6 times looking for a leak. I just can't find...
by songzunhuang
Mon Jun 08, 2020 4:07 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Computer Head Unit Replacement

So many many months ago, a segment of the red LED of my on-board computer head unit stopped lighting up. I bet it's a bad solder joint as sometime it will come on, but then most times it doesn't. I thought I could live with this, but it just kept bugging me, staring me in the face every time I got i...
by songzunhuang
Tue May 19, 2020 4:34 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

Hello Song. Check your transmission cooling lines. Old, hard, no flexibility and typically leaks at the crimped ends first Another area of leakage is the selector shaft seal. PITA to remove and be careful on install as the slotted shaft can damage the new seal. Wrap the shaft in electrical tape, or...
by songzunhuang
Sat May 09, 2020 5:39 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

Hello Song. Check your transmission cooling lines. Old, hard, no flexibility and typically leaks at the crimped ends first Another area of leakage is the selector shaft seal. PITA to remove and be careful on install as the slotted shaft can damage the new seal. Wrap the shaft in electrical tape, or...
by songzunhuang
Fri May 08, 2020 4:43 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

ATF Leak - Where's it coming from!?

So it's been close to a month that we've sheltered in place. The car has barely moved anywhere, except backed up so I could wash it and then back into it's parking place again. It just sits there ... leaking ATF now. I crawled under and checked the tranny pan seal area and the fittings going to the ...
by songzunhuang
Fri May 08, 2020 4:36 am
Forum: The Saloon
Topic: What did you do to your E24 today?
Replies: 849
Views: 181587

Re: What did you do to your E24 today?

miike87 wrote:
Sun May 03, 2020 9:58 pm
Continued to tear down the cylinder head :D
2020-05-03 16.25.56.jpg
Wow, so organized.
by songzunhuang
Tue Apr 28, 2020 5:46 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

Song, There are a few long posts on redying the seats with an airbrush. Some recommend using Leatherique BEFORE the spray on dye. I am using Leatherique on two BMWs as a maintenance item, but have no personal experience with the redye process. Ken I have a Volvo Wagon with light tan seats. I have r...
by songzunhuang
Fri Apr 24, 2020 12:56 am
Forum: My Project
Topic: 1988 635 Engine Rebuild and 5-speed swap
Replies: 9
Views: 3146

Cheering from the sidelines

Just throwing good vibes your way. I really like the color of your car.
My car is an automatic and I waffle on a manual swap, but I use mine as a daily and don't want it to be out of commission. I've put over 40K miles on my car in the past 5 years.

I'll keep an eye on your progress and learn!
by songzunhuang
Thu Apr 23, 2020 5:07 am
Forum: My Project
Topic: Electrifying my '85 635CSi Euro
Replies: 62
Views: 7746

Re: Electrifying my '85 635CSi Euro

I've also PMed Song telling him he has first refusal, but if he wants it he needs to contact you ASAP. I hope he's OK. Hey guys, sorry for being MIA. I was wrapped up in work stuff and hadn't had a chance to check in. I did reach out to both you via PM just now to tell you my situation. As you know...
by songzunhuang
Fri Apr 17, 2020 5:45 am
Forum: My Project
Topic: Two Sixers, what to do!
Replies: 11
Views: 2728

Re: Two Sixers, what to do!

Quick update: life is busy, not much progress. Hopefully going to replace the injectors this weekend, I'm still chasing a surging under throttle. I have a lead on a second euro front bumper but with the non-fog air dam, which will be ideal for hiding an air-to-water intercooler. Hope everyone's han...
by songzunhuang
Fri Apr 17, 2020 5:38 am
Forum: My Project
Topic: Electrifying my '85 635CSi Euro
Replies: 62
Views: 7746

Re: Electrifying my '85 635CSi Euro

Exhaust (with Silverline tips) available for sale. Cut in half. $100 for each half. Front half (headers and CAT) are original, back half (silencer,muffler, tips) is aftermarket. IMG_5485.JPG IMG_5486.JPG IMG_6270.JPG tips.JPG Buyer pays for shipping. How's the condition of the back half? Does anyon...
by songzunhuang
Fri Apr 17, 2020 5:32 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

Looks good Song , a marked difference . I'm intrigued though , doesn't the shoe polish transfer onto your clothes ? Don No, it dries quite nicely. After it dried, I used the Groit's leather treatment wiped on and off with a clean cloth. No dye on the cloth. I've done this before and it works fine.
by songzunhuang
Thu Apr 16, 2020 3:27 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Refreshing the interior leather

I am trying to make my original leather last as long as possible. I noticed the dye was wearing a bit so I decided to re-dye and treat the interior. I'll used Kiwi shoe polish for the dye and Groits conditioner afterwards. Here's the result. First I had to dye all the seats. You can see the before (...
by songzunhuang
Tue Apr 07, 2020 3:13 am
Forum: Engine - Mechanical - Electrical
Topic: Non-Essential Emission Sensor?
Replies: 10
Views: 1327

Re: Non-Essential Emission Sensor?

I think that could be a purge valve relay. Read through this about half way down. https://www.bimmerforums.com/forum/showthread.php?1505527-1982-633CSI-out-of-storage-won-t-fire-up You know, I read the thread and I still can't say I know what it is! Oh well, I drove to the post office today and the...
by songzunhuang
Tue Mar 31, 2020 4:59 pm
Forum: Engine - Mechanical - Electrical
Topic: Rough Idle and Power Steering Pump - connected?
Replies: 4
Views: 1407

Re: Rough Idle and Power Steering Pump - connected?

Song, I just finished working on my car and noticed the hose from the intake to the ICV was split near the ICV and was causing my newly erratic idle. Can you tell us what repairs you made to your PS system? My 1986 is leaky so I plan to rebuild the pump and possibly replace all the low pressure hos...
by songzunhuang
Sun Mar 29, 2020 8:26 pm
Forum: My Project
Topic: 1984 633i: Saved from the barn
Replies: 23
Views: 3562

Extra relay - me too!

I recently came across the extra rectangular unmarked relay mounted on the outside of my fuse box. I have the same year car as you, so maybe they are similar. If you look at my thread, I removed a sensor linked to the AFM on the advice of my mechanic. So far things seem ok, except my car idles a bit...
by songzunhuang
Sat Mar 28, 2020 10:51 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

Song, Is it possible to overhaul the p/s pump without removing the pump body from the car? It would be extremely difficult. One of the things you have to do is to replace the shaft seal. The whole front portion would have to be removed while the rear portion was in place. That shaft is held in plac...
by songzunhuang
Sat Mar 28, 2020 10:35 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Adding and Removing Wires

So it's time to install my pricey wire and then also time to take out the excess wire that my mechanic has told me is unnecessary. I'm hoping that someone can educate me on the function of the harness and maybe I can remove even more than I did. Pricey Alternator Strap: First, let's add my pricey al...
by songzunhuang
Sat Mar 28, 2020 3:18 am
Forum: My Project
Topic: 1983 Bmw 635Csi E24
Replies: 32
Views: 4554

Re: 1983 Bmw 635Csi E24

hornhospital wrote:
Wed Jan 29, 2020 9:48 pm
All I can say is WOW. :shock: :o
:shock:
by songzunhuang
Fri Mar 27, 2020 4:25 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

You could have made your own for a fraction of that cost, of course, but then it wouldn't be "genuine" :-? Nice to see that you're back at it, Song, guess since you're stuck at home :roll: BTW, moved to Gilroy a few weeks ago, still unpacking and getting things sorted :-" I've been spending much of...
by songzunhuang
Fri Mar 27, 2020 3:52 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

Re: 1984 633CSi Rises again!

If you must have genuine BMW parts, it can be eye-wateringly expensive. Of course, you can get the same wire minus the BMW logo for about $8. Just sayin... :-" Ken I have inspected this wire very closely, It is very well made. The solder joints are solid and the insulation intact. But there is not ...
by songzunhuang
Fri Mar 27, 2020 3:00 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 785
Views: 160240

A Very Pricey Piece of Wire

So during the last weeks when I was tending to my car, I noticed that the wire that goes from the alternator to the engine block was very old. In fact, it seemed that most of the insulation had cracked off. BadWire.png Now, theoretically, this is a ground wire. As long as the material is conductive,...
by songzunhuang
Wed Mar 25, 2020 10:00 pm
Forum: My Project
Topic: Poor old '81 635... can we rebuild her???
Replies: 84
Views: 14734

Re: Poor old '81 635... can we rebuild her???

hornhospital wrote:
Sat Mar 21, 2020 10:27 pm
Good grief. #-o
Wow, that's ridiculous.
I'm grateful that my car appears to have escape most of the rust worm maladies.
by songzunhuang
Wed Mar 25, 2020 9:51 pm
Forum: Engine - Mechanical - Electrical
Topic: Non-Essential Emission Sensor?
Replies: 10
Views: 1327

Re: Non-Essential Emission Sensor?

Yep. Trace them out and see where they go. I can't think of any "sensor" that would need to go between MAF and the computer. I did a bit of tracing during a sunny break in the weather. So those plugs go under the intake manifold and re-emerge by the fusebox. They looked wired into a rectangular rel...