Blackknight530i 530i6 -> M5 Conversion Build Thread - Page 8 - BMW M5 Forum and M6 Forums
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post #71 of 117 Old 19th November 2016, 04:54 AM Thread Starter
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Well, I have some unfortunate news. It seems that the vibration I was having is not caused by the spacers, but rather accentuated by them. I'm not sure why, but before I ever installed spacers, the car was pretty much vibration free (a minor one at higher speeds), but now it's pretty consistent at 45 MPH and again at about 60 MPH and 75 MPH. It's easily reproducible and is really awful. Braking from above 45 MPH starts to shudder when getting to 45 MPH and goes away at about 40 MPH. I would have suspected thrust arm bushings, but they're literally brand new and I loaded the suspension when installing them. I'd suspect a bend in the wheels, except there wasn't one before the spacers and I haven't hit anything, even a big pothole. I did however drive all the way from Charlotte to AL with the bad vibration from the spacers, so it's possible that they damaged the tires over the 700 miles I put on them that way. I'm going to try putting my spare on each of the fronts to see if the vibration goes away or at least gets better. If that doesn't work, I may try to swap my wagon's wheels to the front of this car, since I know both of those are vibration free.

I've also got parts ordered for doing the VANOS solenoid rebuild. I'll be resoldering the boards and replacing the o-rings and gaskets. I'm pretty amazed at the cost of those o-rings. Even with my Morristown BMW discount, they're still over $100 for 16 o-rings and 2 gaskets. I hope it gets rid of some weird engine shake when revving in neutral at 1300 RPM and a few other points. For an engine with only 60k miles, it should really be smoother. Maybe this will help. I added one of the 10W-60 labels for the engine bay as well. Somewhere I have the S62 emissions label as well, since I bought it for my e38 and never installed it, but I've since lost it in my garage and then moved and still haven't found it.

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

2001 749i6 - Retired and being parted out - M5Board Build Log
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post #72 of 117 Old 21st November 2016, 11:48 PM Thread Starter
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Well, I went to do the o-ring install today and got the cover off on the driver side easy enough. There was no oil under the cover and all the solder points were still good. I tried to pull the solenoids out with the channel locks and they wouldn't really budge outwards at all. I could get them to turn like the DIY shows, but I couldn't get them to pull out, meaning the o-rings are likely still in very good condition. I decided to abort and put it back together. Since the gasket under the cover is just for dust and not keeping oil out, I reused the one that was already there, which was still in perfect shape. Considering the engine only has about 60k miles on it, I guess it's to be expected that everything is still good.

The problem is, I have this vibration in neutral at about 1400 RPM that is really rough. I'm sure it's there while the car is in gear as well, but it's easily reproducible in neutral. I'd really like to figure out what it is.

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

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post #73 of 117 Old 22nd November 2016, 01:09 AM
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Double check engine mounts. You will be surprised if you lost a nut there or even the rubber broke. I had bad vibration in rear end turned out the rear diff lost one bolt. Have to double check and re tighten all bolts after a track day :p

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post #74 of 117 Old 22nd November 2016, 06:17 PM Thread Starter
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Quote:
Originally Posted by zaid View Post
Double check engine mounts. You will be surprised if you lost a nut there or even the rubber broke. I had bad vibration in rear end turned out the rear diff lost one bolt. Have to double check and re tighten all bolts after a track day :p
All bolts are there and there really isn't that much movement when in gear while holding the brakes in either direction. The engine mounts only have about 20k miles on them and the transmission mounts have about 2k. This vibration has been there since I did the engine swap in my e38, so it's not new from the track day and has carried over from 2 separate swaps. Also, it happens in neutral at a stop, so I don't think it's anything drivetrain related.

On another note, the 45 MPH vibration seems to have been solved by putting my spare on the front left (to replace the oldest tire on the car, which still looks perfect though). I think the spacers being on for 700 miles caused some tire damage and I might have to get a new tire or get this one shaved. It's down to like 4-5/32" anyways, so maybe I'll just get a new tire to match the other 3 that were just replaced. As for the higher speed vibration (70-80 MPH), it is so much less after putting the spare on, but I think it might still be there to a degree. It also seems to be coming from the back, more than the front, so I'm thinking it could be the CV joint on the DS or something like that. The DS is from Adam and had about 102k miles and the CV joint boot was slightly cracked, but wasn't leaking grease or anything. considering that the entire rear end is the same as when I had the M54b30, except for the diff itself and driveshaft, it's the only thing that makes sense, unless I somehow got a phantom bend in the wheels. My appointment with Prince Wheel Services on Monday will address that though. I'm actually going to take my silver Style 95s from my e38 and have them checked for bends and fixed if they find any, then get those wheels swapped onto this car. The painted gray wheels I have now are chipping and are just too dark on a black car with black tint and black interior, so it'll be nice to brighten it up again. As long as I know that the wheels will be good, I'll get the tires swapped and if I still have something coming from the front tire that is the oldest, I'll get a new one put on.

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

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post #75 of 117 Old 23rd November 2016, 04:13 AM Thread Starter
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So, Adam was making some suggestions tonight for me to try. I started by removing the two belts and the clutch fan, but it made no difference. That rules out all the accessories and the tensioners. He then suggested I should lift the rear end and put it in gear and rev it up to the same RPM it vibrates at when stationary. I wanted to reinstall the belts before doing that to keep it from getting too hot since it was running not too long before. Well, when reinstalling the main belt, I broke the tensioner bolt off. It was giving me a lot of trouble to compress and was making it a total pain to put the belt on. Anyways, Adam is going to find me a good replacement tensioner, but I was planning to take the wagon to Alabama this weekend anyways, so it should be here later this week or early next week. I'm so glad I have a spare vehicle for situations like this.

I still haven't figured out what's vibrating at 1400 RPM, but at least I've narrowed it down a bit. I'm suspecting coils, but could be coils. Coils are original, but plugs were done about 20k miles ago.

Sent from my SM-N910V using Tapatalk

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

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post #76 of 117 Old 23rd November 2016, 06:13 AM
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Re: cv joint

Any chance you hear a "rattling" kind of noise coming from the rear seats say in 2nd and 3rd gear?
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post #77 of 117 Old 23rd November 2016, 06:42 AM Thread Starter
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Quote:
Originally Posted by auaq View Post
Re: cv joint

Any chance you hear a "rattling" kind of noise coming from the rear seats say in 2nd and 3rd gear?
Nope

Sent from my SM-N910V using Tapatalk

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

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post #78 of 117 Old 25th November 2016, 06:50 AM Thread Starter
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Adam found me a very nice tensioner to replace my broken one:



I'm also planning to install the <50k mile power steering pump I've had for like 2 years in a box, but I don't expect it to fix the vibration problem as it still vibrated without the main belt on. I do get a whine in every time the car is parked for a long period of time, like air is getting into the system, so it'll just make me feel better to get it done. Maybe eventually, I'll try a good set of coils and see if it fixes the problem.

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

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post #79 of 117 Old 28th November 2016, 04:42 AM Thread Starter
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I got the new tensioner installed and it works great. It turns out the tensioner is actually from 2014 and looks very new. Both pulley bearings were completely silent and might as well have been brand new. Unfortunately, it didn't fix the engine shake issue, but I didn't expect it to either. I put the original wheel back on the front left and the vibration at 45 MPH came back, so I'm 99% sure it's the wheel or tire. I'm taking my silver set of Style 95s to Prince tomorrow to have them checked out and straightened if needed. Then, I'll have my tire shop swap the tires that are on the gray wheels to the silver ones. I might eventually get the gray ones checked out as well, but only to sell them. From now on I'll have silver 95s again, well, at least until I find a better set of wheels I like, LOL.

I also just tonight got my bi-xenons installed in the car. Another pain in the *** like the wagon having to cut the lenses off, but went a bit better since the housings weren't as brittle as the wagon's were. Once the lenses were removed and all remaining plastic bits, installation is pretty easy and this time I used the butyl cord I had. On the first one, I used a bit more than I needed and it made it much more difficult to get it clipped, but adding heat eventually got it. On the other one, I stretched the cord a bit, making it thinner, and this went much easier. I still used heat and I found it helped to use the channel locks from the BMW toolkit to squeeze the lens to the housing.

I'm not sure I have the aim completely right, but since the height adjustment on the passenger side light wasn't broken, I aimed the height of the driver side on to it, then did the passenger side light and aimed it to the driver side. The light on the road is a lot lower than on my wagon, so maybe I have my wagon aimed way too high. I'll look up some aiming guides and see if I can get them better. For now, I'm really happy with the light output. I realized that on my wagon, I'm not using the 5000K bulbs I thought I was, but instead the stock 4300K bulbs that came with the car. I think they actually might look a bit better than the 5000K bulbs I put in the M5. Maybe I'll dig out my stock 4300Ks from that car and throw them in.

Here's a shot from my garage:



I'll take some outside shots tomorrow, which will look much better.

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

2001 749i6 - Retired and being parted out - M5Board Build Log

Last edited by blackknight530i; 28th November 2016 at 04:42 AM.
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post #80 of 117 Old 30th December 2016, 05:24 AM Thread Starter
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Just ordered a set of APEX PS-7s in hyper silver and 19x8.5 ET20/19x10 ET25 fitment. I got tired of having these little vibrations (some larger than others) and so I test fitted the 18" rear wheels/tires I had on my e38 on the back of the M5 and it rode smooth as glass. I've decided that I'm tired of worrying if it's the wheels, so I bought a whole set of brand new wheels to rule it out and I've been eyeing them anyways. I wanted 19x8.5/19x9.5, but sizes were limited due to the Christmas sale they're having right now, especially in hyper silver. Fortunately, the tires I have will fit the new wheels though, so that's an expense I won't have to worry about after just buying new tires recently.

The silver and Eleanor Grey style 95 sets will both be up for sale once I get the Apexes on. Due to the sale prices on the Apex wheels site, I got all 4 wheels for under $850 shipped. That's a killer deal that's really hard to pass up on.

I've also got both front and rear bumpers, but need to get them painted, installed, and the custom exhaust made, but that might have to wait until after I've sold the 95s to help cover the costs, LOL.

-Paul
2003 "M5" - S62/420g swap, M5 diff, M5 driveshaft, M5 brakes, M5 Traction Bars, Eibach Sway Bars, UUC Evo3/DSSR, Custom Exhaust,
BMW NBT Retrofit, M5 Gauge Cluster, Hella G4 Bi-Xenon Retrofit, M5 Extended Leather Interior Swap, APEX PS-7s, e60 Hubs, Koni Sports
Coming Soon - M5 Bumpers
530i 6-speed swap build thread

2003 530it6 - M54b30/S6S-420g swap, 3.15 540it diff, e60 SSK, VMR VB2 19" Wheels, M5 Gauge Cluster, Hella G4 Bi-xenon Retrofit, NBT Retrofit, Koni Sports, 540i Brakes

2001 749i6 - Retired and being parted out - M5Board Build Log
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