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Project 2006 Z4 - restoration (Enjoy!)
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- Member
- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
-
- Member
- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Huzee666 wrote: ↑Thu Jun 22, 2017 5:11 pm Really enjoyable read Andy, look forward to your updates ! I admire you, I can't knock in a nail ! Once my Children grew up and began driving themselves I bought my first Z4, a 2004 2.5, totally fell in love with it. Drove it as my daily for two years and slowly but surely it started turning into a money pit, roof motor, electric window, starter, rear springs, the usual stuff. Ended up making the mistake of day dreaming in the local BMW dealership last summer and drove out in a new one. I'm obsessed with her and spent so much of my spare time cleaning her and going on road trips with wifey. Keep up the good work ! Steve
Hi Steve.
Daydreaming and following it through.....sounds perfect to me.
Andy.
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- Member
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- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Ok. Here we go.
Before the oscilloscope comes out. A few code checks.
Got back to my workshop where the car was abandoned in limp home mode, started it up and ....perfect. What!!
No codes present. Normal power restored. So must be heat related.
New direction then.
Removed top engine cover and disconnected the valvetronic motor here
and switched ignition on.
This is the code that appeared
Exactly what appeared the other day when it went into limp home mode.
Plugged it back in, cleared the code and disconnected the eccentric cam sensor
and switched ignition back on
Here's what appeared
So looks as if the code 2A67 is a check of the electrical continuity check of the valvetronic motor.
Next is a current waveform of it in operation. With and without cam cover,
Andy.
Before the oscilloscope comes out. A few code checks.
Got back to my workshop where the car was abandoned in limp home mode, started it up and ....perfect. What!!
No codes present. Normal power restored. So must be heat related.
New direction then.
Removed top engine cover and disconnected the valvetronic motor here
and switched ignition on.
This is the code that appeared
Exactly what appeared the other day when it went into limp home mode.
Plugged it back in, cleared the code and disconnected the eccentric cam sensor
and switched ignition back on
Here's what appeared
So looks as if the code 2A67 is a check of the electrical continuity check of the valvetronic motor.
Next is a current waveform of it in operation. With and without cam cover,
Andy.
Last edited by andyfanshawe on Sun Jul 09, 2017 10:00 am, edited 1 time in total.
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- Member
- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
First look inside the engine
Looks beautiful, clean and golden
Looks beautiful, clean and golden
Last edited by andyfanshawe on Sun Jul 09, 2017 10:26 am, edited 1 time in total.
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- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Apologise for bad links. Photobucket have created this problem.
Moving images as we speak. Should start reappearing gradually.
Andy
Moving images as we speak. Should start reappearing gradually.
Andy
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- Member
- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Here's a youtube video of the valvetronic motor removed from the car, connected to a 12V source and a waveform taken of the current it takes.
Considering this is a precision motor, that waveform shows major inconsistencies between commutator segments. Time to order a good secondhand one. New ones from BMW are about 435 + vat. Ordered one at a cost of £38.
Considering this is a precision motor, that waveform shows major inconsistencies between commutator segments. Time to order a good secondhand one. New ones from BMW are about 435 + vat. Ordered one at a cost of £38.
Last edited by andyfanshawe on Sat Jul 22, 2017 2:30 pm, edited 2 times in total.
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- Member
- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Quick update for everybody.
All photos relinked to a new server.
Replacement valvetronic motor fitted and car is perfect!
Been using it regularly over last few weeks and seriously enjoying it
BUT,....................one thing..................the clutch. Horrible. So, ordered an LUK Dual Mass Flywheel and clutch and will fit it starting monday evening. Shouldn't take long, and I will get plenty of photos.
Oh, price? £395 all in. Bargain.
Andy.
All photos relinked to a new server.
Replacement valvetronic motor fitted and car is perfect!
Been using it regularly over last few weeks and seriously enjoying it
BUT,....................one thing..................the clutch. Horrible. So, ordered an LUK Dual Mass Flywheel and clutch and will fit it starting monday evening. Shouldn't take long, and I will get plenty of photos.
Oh, price? £395 all in. Bargain.
Andy.
- sw4nny
- Senior Member
- Posts: 1713
- Joined: Mon Sep 16, 2013 12:14 pm
- Location: Barnsley
Project 2006 Z4 - restoration (Enjoy!)
Andy,I am now starting to believe you are inventing some of these issues with the car just so you can repair and replace more things on this Zed,by the time your finished it will be a brand new vehicle.
E85 3.oi titan silver,Maldives blue E85 3.0i gone but not forgotten
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- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Ha ha! Yeah. Got me.
Look at my goodies:
Dual mass flywheel
Self adjusting clutch with fork
Friction plate
And rear main oil seal and spigot bearing
Oh, and self adjusting clutch fitting kit
Only got to fit them now.
Andy.
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- Lifer
- Posts: 5277
- Joined: Wed Feb 19, 2014 3:01 pm
- Location: NW London
Project 2006 Z4 - restoration (Enjoy!)
Looking forward to a good how-to for this
3.0si Sport: F10 Illuminated ZHP, Retrofit Cruise, OE Stubby, Gaptech RCH+, Kenwood BT73DAB + Handsfree, HIDs, LED Sidelights, OE LED Number Plate Lights, Custom LED strip bootlight.
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- Posts: 371
- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Will do my best!
Will try to fit it in next week. 2 BMW's (not zeds) and a ford fusion to do before then!
Andy.
- Grumpyowl
- Lifer
- Posts: 3438
- Joined: Mon Aug 12, 2013 8:00 pm
- Location: North East Derbyshire
Project 2006 Z4 - restoration (Enjoy!)
Hi Andy,
a few weeks have gone by since you reset my steering angle sensor or whatever it was you did.
Just to let you know everything is absolutely fine , couldn't be more pleased with the way the car steers, thank you.
a few weeks have gone by since you reset my steering angle sensor or whatever it was you did.
Just to let you know everything is absolutely fine , couldn't be more pleased with the way the car steers, thank you.
- Steve84N
- Senior Member
- Posts: 1828
- Joined: Tue Jul 21, 2015 1:00 pm
Project 2006 Z4 - restoration (Enjoy!)
What were your problems before it was reset?
My steering is constantly pulling to one side despite changing all the suspension parts and swapping tyres etc.
My steering is constantly pulling to one side despite changing all the suspension parts and swapping tyres etc.
C63 AMG Estate 6208cc
- Grumpyowl
- Lifer
- Posts: 3438
- Joined: Mon Aug 12, 2013 8:00 pm
- Location: North East Derbyshire
Project 2006 Z4 - restoration (Enjoy!)
A slight stiffness in the straight ahead position, meant I had to make a conscious movement either left or right.
Very annoying but it's all ok now very smooth and no notchiness or stiffness at all.
I was thinking about doing that centric ring adjustment but this has cured my problems
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- Joined: Sun Jan 10, 2016 8:20 am
- Location: Chesterfield UK
Project 2006 Z4 - restoration (Enjoy!)
Sweet!
Thanks for the update.
Andy.