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by songzunhuang
Mon Dec 30, 2019 7:13 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

New Half-Shaft Boot and CV joint repack

While under my car, I noticed that the rubber CV joint boot was completely torn. Well, time to learn another task! I ordered the parts from Pelican parts since they could get it to me in a day and while I waited, I did a bunch of research on the task at hand. I realized that special tools would be n...
by songzunhuang
Mon Dec 30, 2019 6:39 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Replacing Rubber bits - exhaust hangers and air intake

So I am really beginning to adopt the practice of only ordering OEM parts when possible. I have had very poor luck with aftermarket stuff. Even things that seem inconsequential seem to be a big deal. Case in point. About 3 years ago, I replace the air intake with an aftermarket unit. This weekend, I...
by songzunhuang
Mon Dec 30, 2019 6:22 am
Forum: Suspension - Steering - Brakes
Topic: Where could this leak be coming from?
Replies: 15
Views: 2413

Where could this leak be coming from?

Ok, I have a leak and I cannot seem to locate the source. The fluid is red in color, which leads me to believe that it is transmission fluid (dextron III stuff also used for power steering and the brake bomb), but the location has got me scratching my head. The drips are spotted at the bottom of wha...
by songzunhuang
Mon Dec 23, 2019 6:43 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Hella H4s and a permanent Exhaust Hangar?

A few updates have happened to the car. First, when I was replacing my headlights, I saw many reviews of Hella H4's as brighter alternatives. OK, I could use a brighter more focused light. So I replaced both my lights with some H4's. They are definitely a much more substantial headlight with a remov...
by songzunhuang
Sun Dec 22, 2019 9:22 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Re: 1984 633CSi Rises again!

The only way is to drill it out at the head of the stud (you will see the head turning inside the plastic).Then using Araldite or similar, glue a stainless 6mm. bolt back in. I've done this quite a few times with no problems. Thanks for the information. I tried once again to figure out how to get t...
by songzunhuang
Mon Dec 09, 2019 5:47 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Re: 1984 633CSi Rises again!

Interesting write up with the heater valve. I've heard some of that before on various forums, but great documentation and pics. I just thought I would add here I had a similar situation with the two little nuts being corroded on my turn signals. And couldn't get the grills off for a while. I used m...
by songzunhuang
Mon Dec 09, 2019 6:53 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Dec 08 2019 Updates

Ok, I thought I would document the various things I did today to my car. It was really just updating a bunch of broken stuff with new parts. Here we go. First, I replaced my broken headlamp. A rock created a hole and I guess all the rain the past weeks has gotten water in the headlight and taken it ...
by songzunhuang
Sat Dec 07, 2019 8:24 am
Forum: Interior
Topic: Heater valve repair
Replies: 20
Views: 3085

Re: Heater valve repair

That repair kit I haven't considered, but it seems I have two issues. The first being the no heat over 80kmh (suggesting loss of spring tension), and now heat all the time (because the rubber collar has completely torn. I'm leaning towards the MTC as I still have to consider postage (why is postage...
by songzunhuang
Sat Dec 07, 2019 6:10 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Spendy BMW Heater Valve arrives

Well, today my part came. I was a little anxious as I opened up the heater valve since I had heard that some folks may ship me an aftermarket valve even though it's advertised as OEM on their website. Well, I'm glad to report that the folks at FCP Euro came through with what I think is a genuine par...
by songzunhuang
Fri Dec 06, 2019 1:55 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Re: 1984 633CSi Rises again!

Song I have seen people adapt an E46 heater valve quite successfully for much lower price. Just an afterthought though as you've already ordered the valve. I appreciate the info and maybe it'll help others who have this issue. I did come across a few posts about adapting an E46 for this and it seem...
by songzunhuang
Mon Dec 02, 2019 7:28 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Heater Valve - throwing in the towel

Well BigCoupe folks, today my commute was cold and rainy here in California. I've been living with a tepid heater condition for weeks as I tried to convince myself that I could live with not-so-great heat since the weather here is mild compared to other parts of the world. After waiting a long time ...
by songzunhuang
Tue Nov 19, 2019 7:35 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Climate Control Backlight (Right) Solution

Ok, I tinkered around and figured out how to replace the bulb that illuminates the right side of the climate control. The trick is to remove the Hazard and Air Conditioning switches and reach your fingers in through the holes. Here's a visual. BulbReplace.png If you look at the back of the unit (pic...
by songzunhuang
Mon Nov 18, 2019 5:54 pm
Forum: Cars and Parts for sale
Topic: Classic CSL "Barn Find"
Replies: 41
Views: 10214

Re: Classic CSL "Barn Find"

Pod wrote:
Sun Nov 17, 2019 10:19 am
Dead thread resurrected 😉
Yay! I am glad that there's hope. I saw this car almost 5 years ago and wished I had the time, space and resources to restore it. Hopefully whoever gets it will document it so we can all follow along.
by songzunhuang
Thu Nov 14, 2019 7:00 pm
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Re: Climate Control Backlight

OK, I am posting this question here as I am getting no responses to my post in the "Interior" section of the forum. The right side of my climate control system no longer has a backlight. There doesn't seem to be an easy way to reach the back of the climate control, but if I knew what I was feeling f...
by songzunhuang
Thu Nov 14, 2019 6:52 pm
Forum: My Project
Topic: Electrifying my '85 635CSi Euro
Replies: 62
Views: 5724

Re: Electrifying my '85 635CSi Euro

mdkohler wrote:
Wed Nov 13, 2019 3:14 am
For fun, I had a guy with a 3D printer make this emblem for me.
FWIW - I think this will be very interesting and cool to see. Love the emblem.
Bonus, your car is the same color as mine. :-)

Also, I went to school at UT in Austin so fun to see an Austinite going for this.
by songzunhuang
Thu Nov 14, 2019 6:43 pm
Forum: Interior
Topic: Heater valve repair
Replies: 20
Views: 3085

Re: Heater valve repair

That repair kit I haven't considered, but it seems I have two issues. The first being the no heat over 80kmh (suggesting loss of spring tension), and now heat all the time (because the rubber collar has completely torn. I'm leaning towards the MTC as I still have to consider postage (why is postage...
by songzunhuang
Wed Nov 13, 2019 11:19 pm
Forum: Interior
Topic: Heater valve repair
Replies: 20
Views: 3085

Re: Heater valve repair

Ok, good start. What your saying seems to mirror what's on all the forums. Its just seems strange that a supposedly simple repair can be plagued with such failures. Its certainly not that valve failures are an isolated fault, so how can the repair be so hit and miss. Still happy to hear any other c...
by songzunhuang
Tue Nov 12, 2019 1:56 am
Forum: Interior
Topic: Replacing center console (HVAC) bulbs
Replies: 12
Views: 4829

Re: Replacing center console (HVAC) bulbs

Well, finally got around to this task, as I had the center console out for a headunit replacement. For the bulb on the right, remove both of the switches (A/C fan and Hazard). With your right hand feed the bulb holder up into the dash, and with your left index finger in the top switch hole, pin the...
by songzunhuang
Mon Nov 11, 2019 3:03 pm
Forum: Engine - Mechanical - Electrical
Topic: Backlight for Blower fan & A/C switch
Replies: 1
Views: 603

Re: Backlight for Blower fan & A/C switch

My trip computer backlights died as well, but I knew where to goto for that bulb.
However, I still am challenged by the blower fan and a/c switch. Anyone know how to replace that backlight? Thanks.
by songzunhuang
Thu Oct 17, 2019 12:31 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Re: 1984 633CSi Rises again!

Superb job! Song, how do you get to the nuts holding the hinges in place? Somewhere along the way, I recall that some chap with great woodworking and laminating skills made pods out of exotic woods with a P-U coating. If I dig it up, I will post although it could have been for another BMW applicati...
by songzunhuang
Tue Oct 08, 2019 10:29 pm
Forum: Interior
Topic: Speaker Pod Repair
Replies: 12
Views: 3056

Re: Speaker Pod Repair

from your description it might be that the foam just isn't strong enough to glue to any more? Or was the brown powder rust, in fact? Did you take any more photos of the failed joint? cheers I think the "foam" was OK. It's real hard now and more like dense plastic. I think the culprit for me was the...
by songzunhuang
Tue Oct 08, 2019 6:17 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Speaker Pod Repair - Again

Well, I noticed that my repaired speaker pod was failing again. I had used Gorilla Glue before, but it seemed that the heat in the back shelf had done it in. So here's what my pod looked like from the inside. It had been around 3 years since I glued it last. PodFail.png So, was the Gorilla glue fail...
by songzunhuang
Tue Oct 08, 2019 6:01 am
Forum: My Project
Topic: 1984 633CSi Rises again!
Replies: 783
Views: 153116

Heater Valve Rebuilt Kit

OK, here's a little more information about the rebuild kit I got for my heater valve. First, here are my initial impressions of this kit. For the most part, the pieces seem pretty good, except that the diaphragm doesn't seem to extend as much as the OEM version. It looks like the replacement diaphra...
by songzunhuang
Tue Oct 08, 2019 12:43 am
Forum: Interior
Topic: Speaker Pod Repair
Replies: 12
Views: 3056

OK, my Bad - Brucey was right

So this weekend I fixed my speaker pod again. There was a fine brows dust all over the metal part and also there were thin sheets of hardened glue that had clearly separated from the metal surface. As Brucey correctly postulated, I think it was all in the prep. I probably didn't clean the surfaces t...
by songzunhuang
Thu Oct 03, 2019 6:07 pm
Forum: Interior
Topic: Speaker Pod Repair
Replies: 12
Views: 3056

Re: Speaker Pod Repair

will Gorilla glue hold in the heat? Any long term tests I need to do the same an wonder if a weldwood contact or 3m trim adhesive would be better? FYI - I did this repair with Gorilla Glue a few years ago. I regret to inform that the the pod is lifting again. I'll take a look this weekend to see if...