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BMW 5-Series (G30) Forum 2017+ BMW 5 Series (G30) General Discussions Done with my 530e( or maybe not, isssue identified)

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      08-18-2021, 11:00 AM   #67
CnSky
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I'm lucky I'm in a position where things are going well so can finally have some car fun but also I just hate giving up on technical issues due my training so even though I fixed it and I lost cash I may still change.

Or maybe I will give it to my wife and trade her X1 m sport for the X6M which would make more sense. Also cheaper to insure the M car as hers and me as named driver.

QUOTE=Joe-BMW33;27933666]
Quote:
Originally Posted by CnSky View Post
Well the last thing to do is a RFB in the old tyres now they are back on.

And seems there is a tiny buckle in one wheel now, can't remember hitting anything though, typical. So will have that corrected also.

Already eyeing up a different car as I'm not sold on long term reliability on the G30 and my motoring need have permanently changed due COVID I only do about 250km a week where I used to do about 500.

There a nice X6M 2017 model for sale here in ireland that has caught my eye, I swear it's only for the practicality!!!! Not the engine!! It all about the family!! Not the speed and noise!!

At least that's what I'm telling my wife!!
Ha! That's the story and stick with it! Then jump on that bad boy:-)

But after all this heartburn, stress and money....why didn't you just trade it months ago? You aren't going to get your money back on the trade or sale....and the dealer would have given you the same value before you put $8,000 into it.[/QUOTE]
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      08-18-2021, 11:21 AM   #68
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Keep it! You invested so much time in it and conquered the beast! Of course get the X6M too;-)
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      08-18-2021, 02:38 PM   #69
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Quote:
Originally Posted by Mikej0h View Post
BMW blames it on the rim/tire combo (which is BMW style, not BMW-original), as expected... They said the suspension and all was checked, and nothing was at fault.

Will soon test with my original set, which I still have laying around.
Also I will check your suggestions/findings, to see whether it's applicable to my car.
I'll be back ;-).
So dealer didn't check the VDP (as I expected), so I did myself.
The attached screenshot is the result.

Haven't checked the aux battery status, as ISTA was whining about low battery voltage for diagnosing so will continue the saga later this week (I expect the weekend) so I can put the car on the retainer.
During the COVID period my car sat for almost 6mo, and had to charge it twice - I would not be surprised the aux battery to be in a bad state as well.
Attached Images
 

Last edited by Mikej0h; 08-18-2021 at 02:43 PM.. Reason: Added no-vin attachment
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      08-18-2021, 03:11 PM   #70
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Your VDP is bad 100%

All of the valves should be getting amps always when car is on. BMW literally don't know how to fix their own cars and I'm now wondering if bad software was pushed to everyone on a iStep update recently.

My advise is ask Kubax86 on here to login and flash the VDP to factory setting and reinstall software before recoding it. He charged me 100 bucks for this service.

If that doesn't work then get a second hand one online for 120 buck like I did and have KUBAX do same.

Install is easy can Pm you how to do it the unit is just above the battery in the trunk.

2 plastic bolts and it disconnects from the wall and the loom just clicks out.
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      08-18-2021, 03:12 PM   #71
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Once it's working and all shocks are getting amps I can guide you through a ride height adjustment as that will be required to clear the chassis malfunction error you will get with a new VDP.
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      08-18-2021, 03:14 PM   #72
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Regards aux battery that will show when you login to ISTA as it does a fault check.

If not on the fault list your ok.
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      08-18-2021, 03:16 PM   #73
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Just to note you could have three bad shocks also but that's highly unlikely and a VDP change is the cheapest start point.

Shocks are 1k each new or 350 each second hand.
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      08-18-2021, 03:17 PM   #74
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Mike happy to chat with you if you want to PM me can also talk on phone if it helps I'm in Ireland so your only an hour ahead.

Let me know.
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      08-18-2021, 04:32 PM   #75
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Quote:
Originally Posted by CnSky View Post
Once it's working and all shocks are getting amps I can guide you through a ride height adjustment as that will be required to clear the chassis malfunction error you will get with a new VDP.
That would be cool, is the procedure difficult?
Can you drive with the malfunction, or will the car into limp-mode?

Quote:
Originally Posted by CnSky View Post
Regards aux battery that will show when you login to ISTA as it does a fault check.

If not on the fault list your ok.
Will check that this weekend.

Quote:
Originally Posted by CnSky View Post
Just to note you could have three bad shocks also but that's highly unlikely and a VDP change is the cheapest start point.

Shocks are 1k each new or 350 each second hand.
Oeh, that is steep in Ireland! Prices for the rears seem to be around ~ 640 EUR for each and front ~ 805 EUR. But if I would need to purchase them, I have an affiliate for 550 each (rear) and 685 each (front) that is 'doable' (bloody expensive if you need them 'all').

I want to try the flashing / recoding myself, as I have ESYS myself.
Thanks again for your assistance!!!!
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      08-18-2021, 04:34 PM   #76
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Very easy you need a tape measure, ISTA and a perfectly flat surface to park in.

without doing it the VDP system won't adjust
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      08-19-2021, 11:30 AM   #77
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So the saga is over!!

Tyres were road force balanced today and they also noticed a tiny buckle and cold rolled it out.

Cars driving perfectly even the wife noticed the huge difference on a long drive to the RFB place.

👍👍
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      08-22-2021, 08:46 AM   #78
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So happy for you!

I'm still investigating. I wasn't able to reflash due to some E-sys issues, but I was able to walk through the ride height calibration. After the calibration it did again show values for all shocks, and immediately driving was a huge improvement (not fully gone).
I noticed that switching the drive mode felt like some stuff was getting stuck again (but wasn't able to confirm with insta after ..).

I expect my computer is also bad.
What was the exact option you selected while ordering the car, as there are multiple variants.
Would you be so kind to share the part number you took out, and put in, and whether it's High, Low or Mid variant..?
In order to view the module I've to disassemble the trunk.

The High modules seems to be black, and the low modules seem to be white ish.
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      08-22-2021, 08:50 AM   #79
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You won't need to disassemble the trunk to see whether it's black (high) or another colour, just look above the battery and forward you will see the bottom of the unit.

Also go to realoem and type in your chassis number to get part numbers but for some reason in my case it lists low mid and high for my car.

Best bet is physically check, very easy due to location.
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      08-22-2021, 09:19 AM   #80
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I didn't order the car new but the 530e with VDC uses high module based on what is installed on my car.

The 530e VDC is actually not as advanced as the 540/550 as it doesn't use acceleration sensors in each corner no idea why only ride height sensors are used.

You could still use kubax86 to code for you it's the best 100$ I spent.
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      08-22-2021, 04:08 PM   #81
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Quote:
Originally Posted by CnSky View Post
You won't need to disassemble the trunk to see whether it's black (high) or another colour, just look above the battery and forward you will see the bottom of the unit.

Also go to realoem and type in your chassis number to get part numbers but for some reason in my case it lists low mid and high for my car.

Best bet is physically check, very easy due to location.
Yeah checked it physically - put my phone through hole and photographed it.
Really could not see what variant I had when looking myself.

Either way I had the 6889575, which is a VDP HIGH0 - found a 6867110 which should work as well. With REM I was able in past to buy a 'higher' variant, and just leave the unused connectors - but I don't know whether that works with this module. So will take it on the safe side ;-).
It's a damn hard module to find...

On the 540i, it by default it had nothing.
You had the options;
- M-Sport Suspension (= DDC + 10mm lowering)
- Dynamic Damper Control
- Adaptive Drive
I opted for the DDC, it was just a 800 EUR option if I recall correct (where the Adaptive Drive was something like 2200 EUR and M-Sport similarly priced to VDC. All use the adaptive dampers.

The vertical acceleration sensors are only applicable for the Adaptive Drive (* which I don't have).
See attached pic.
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      08-22-2021, 04:31 PM   #82
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Good to know you identified the part. Hopefully it solves your issue.

It was like night and day in my car, immediately clear it was the problem.
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      08-22-2021, 04:32 PM   #83
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FYI my car has half the connector unused on the VDP high unit using the exact same part number from factory.

Guess the other connection is for dynamic driving package control.
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      08-25-2021, 10:07 AM   #84
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Quote:
Originally Posted by CnSky View Post
FYI my car has half the connector unused on the VDP high unit using the exact same part number from factory.

Guess the other connection is for dynamic driving package control.
With me it's the same thing, half of the unit has connections.

When you walked through the ride height procedure, how much did the rears deviate from each other? When I set it, one of the two rears is 5mm higher compared to the other. The same for the fronts BTW.
LF 627mm
LR 642mm
RF 632mm
RR 637mm
NOTE: I have Eibach lowering springs that take the car down about 30mm

I've also been nosing around in the DSC module. The strange thing it measures voltage (6.3xV) but when I check the sensor status of the speed sensors it says malfunction for all of them - a bit strange.

Would you be so kind to post a screenshot of your DSC sensor capture screen with all sensors "enabled", would like to compare where possible...?
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      08-25-2021, 05:38 PM   #85
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Mine had some variations, remember setting the height required a perfectly flat surface even a few mm will give you an off reading.

I tried to get the flattest spot possible but had a 3mm deviation right to left. Don't think that is a huge deal but to get it perfect you need to get on a lift to take measurements.

Regards the speed sensors did you try driving while your scoping the sensors they will change.

If not you have a problem.
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      08-25-2021, 05:40 PM   #86
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I'm not sure if the speed sensors feed first to the DSC or the VDP as both signals are shared

Could still be your VDP.
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      08-30-2021, 02:57 PM   #87
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Mike see attached screen grab sorry took so long work got in the way.

Any chance you can send me a screen grab of your lateral and longitudinal sensor values in DSC same as photo one below.

Looks like one of my sensors, longitudinal is shot want to compare against yours to be sure.

I already reset it a few times and it keeps going back to unreliable signal.
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      09-01-2021, 05:15 PM   #88
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I won't be near the diagnostics computer until the weekend, but I will share a screenshot then.
But I can already tell you from my memory I have the same negative value, even while at standstill....
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