Not joined yet? Register for free and enjoy features such as alerts, private messaging and viewing latest posts and topics.
My Life with a Z4M Bumper !
-
- Senior Member
- Posts: 1141
- Joined: Tue Dec 27, 2011 12:13 am
- Location: Whitby, Ontario, Canada
My Life with a Z4M Bumper !
This is my third attempt at posting this ...
Don't ask why ?
This time I'm posting some text and will add pics as an edit so I don't lose all my effort .
Plus my sense of humour(?) is being threatened by my extreme level of frustration.
Some may recall my various threads concerning :
Cost of BMW Parts
Lack of reasonable body repair shops in Whitby
How to DIY plastic bumper Fangs and Spoilers
Wondering if there needs to be reflector ports, washer nozzle ports and tow hook ports.
How to DIY port hole filling.
How to paint plastic and repaired bumpers.
Hopefully what follows is a pictorial history of what happened .....
Cheers and bare with me
Bumpy
I got most of my repair inspiration from this Z Post:
An amazing DIY Reference.
http://www.zpost.com/forums/showthread.php?t=825125
Here is what I started with.
Actually it looks better in the pic than in real life ...
The bumper had twisted and worn right through the left spoiler. The lower grill had cracks down the middle mesh.
A heat gun managed to restore general shape of the damaged parts
Chemical Required for Repair.
I used bumper specific products including two kinds of epoxy, adhesion promoter under spray and flexy bumper primer.
Acetone was used to wipe everything down before any epoxy filler was applied.
There is a can of paint prep wipe that I have yet to use. Be warned the acetone removed the flexy primer.
The Repair kit also included peel and stick wire mesh and crazy glue which I used on the lower grill mesh, with epoxy on the back.
I got a doner bumper from the dumpster at the back of the local Ford Dealer ..
I used it to provide plugs for all the port fills. There were some aesthetics from the Doner that I considered using on the Zed .
Don't you think that small aileron would look great under the rear bumper ?
Another project for another day.
How do you fill a reflector port ?
Well I have seen a repair that used a large metal mesh to provide a base.
When I looked carefully at the stock port I noticed that there were bevels in two different directions. I assume when you put in a stock reflector, it almost snaps into position. I cut a round blank and reproduced the bevels. The filler snapped right into place . The front side requires chamfering for the epoxy to fill, but on the backside I just epoxied it in.
This is the back side. The pink epoxy bondo was one of two kinds of epoxy repair. The other being black. Both are easily shaped.
Here are the repaired portions...
Lower Bumper Grill..
I would have replaced it but in the end, cost plus the fact that I decided to lower the front license plate mount will block off and protect the damaged portion.
You can see that the primed bumper is pretty much totally repaired.
I have 3 sets of kidney grills. I decided to paint one set Alpine White to match the body colour. The trim will be left chrome. The jury is out on whether I will like the finished product. I have silver and black grills to offer a proper comparison
Same thing with colour matching the brake cooling ducts. I'm hoping that will increase the depth that the ducts enter into the front, rather than clipping that visual characteristic at 2 1/2 inches. Again the jury will be out until I get everything reassembled.
Underside of reflector port roughly filled in with pink epoxy. To get the front side filled I needed to glue in another layer of doner plastic. Same thing with the washer ports. Two thicknesses of doner were required. I used doner plastic to minimize the amount of epoxy, thinking that this would minimize the chance of cracking. The washer ports had a hard plastic under support. Rather than cut that all away as some have done, I noticed that you can carefully spread the two layers and slip in a metal repair mesh patch. I epoxied that patch support in place under the washer port repair.
Pretty much finished and ready for paint...
The rack I plan on using as a paint stand is actually one of those two barred rolly clothes racks that you can pick up cheap in any jysk (Like IKEA but with products made in Asia)
A rough in of the front lic. plate location. Considering hanging it from under the lower grill. Not too sure about this yet cause I have a vanity plate that will have to have the lower portion bent back to fit. A slight concern about the impact on engine cooling, but the bracket moves the plate out slightly in front of the grill. I can alsi modify the brake coolokg ducts to direct air into the engine compartment.
The M Bumper voids the fog lights from the stock bumper. Im looking into mounting LED Fogs on the base of the brake ducts. That is a deep into the duct as I can. Using the stock wiring and electrical connectors so the stock fog light switch will still operate fogs. (Not that I use fog light much)
A coupla chemicals I need to finish off this project ....
Up next ..Paint....
Luckily after the local body shop would not touch my bumper because they wanted to do all the prep at a rediculous price ...
I decided I understand spray painting. It works when you are surgically clean about prep and take your time ..
If you get too excited or rush it you get drips and runs ...
I located a local NAPA Store that has a custom mix department. The tech was extremely helpful with tips and advice.
I ordered up 3 cans of custom Alpine White 300 as per my fender well and 3 cans of high quality clear.
Not cheap ..Each can of custom mix is $35 and the clear is $20. I can return unopened clear.
Painting is yet to come ..Call that Chapter 2.
Don't ask why ?
This time I'm posting some text and will add pics as an edit so I don't lose all my effort .
Plus my sense of humour(?) is being threatened by my extreme level of frustration.
Some may recall my various threads concerning :
Cost of BMW Parts
Lack of reasonable body repair shops in Whitby
How to DIY plastic bumper Fangs and Spoilers
Wondering if there needs to be reflector ports, washer nozzle ports and tow hook ports.
How to DIY port hole filling.
How to paint plastic and repaired bumpers.
Hopefully what follows is a pictorial history of what happened .....
Cheers and bare with me
Bumpy
I got most of my repair inspiration from this Z Post:
An amazing DIY Reference.
http://www.zpost.com/forums/showthread.php?t=825125
Here is what I started with.
Actually it looks better in the pic than in real life ...
The bumper had twisted and worn right through the left spoiler. The lower grill had cracks down the middle mesh.
A heat gun managed to restore general shape of the damaged parts
Chemical Required for Repair.
I used bumper specific products including two kinds of epoxy, adhesion promoter under spray and flexy bumper primer.
Acetone was used to wipe everything down before any epoxy filler was applied.
There is a can of paint prep wipe that I have yet to use. Be warned the acetone removed the flexy primer.
The Repair kit also included peel and stick wire mesh and crazy glue which I used on the lower grill mesh, with epoxy on the back.
I got a doner bumper from the dumpster at the back of the local Ford Dealer ..
I used it to provide plugs for all the port fills. There were some aesthetics from the Doner that I considered using on the Zed .
Don't you think that small aileron would look great under the rear bumper ?
Another project for another day.
How do you fill a reflector port ?
Well I have seen a repair that used a large metal mesh to provide a base.
When I looked carefully at the stock port I noticed that there were bevels in two different directions. I assume when you put in a stock reflector, it almost snaps into position. I cut a round blank and reproduced the bevels. The filler snapped right into place . The front side requires chamfering for the epoxy to fill, but on the backside I just epoxied it in.
This is the back side. The pink epoxy bondo was one of two kinds of epoxy repair. The other being black. Both are easily shaped.
Here are the repaired portions...
Lower Bumper Grill..
I would have replaced it but in the end, cost plus the fact that I decided to lower the front license plate mount will block off and protect the damaged portion.
You can see that the primed bumper is pretty much totally repaired.
I have 3 sets of kidney grills. I decided to paint one set Alpine White to match the body colour. The trim will be left chrome. The jury is out on whether I will like the finished product. I have silver and black grills to offer a proper comparison
Same thing with colour matching the brake cooling ducts. I'm hoping that will increase the depth that the ducts enter into the front, rather than clipping that visual characteristic at 2 1/2 inches. Again the jury will be out until I get everything reassembled.
Underside of reflector port roughly filled in with pink epoxy. To get the front side filled I needed to glue in another layer of doner plastic. Same thing with the washer ports. Two thicknesses of doner were required. I used doner plastic to minimize the amount of epoxy, thinking that this would minimize the chance of cracking. The washer ports had a hard plastic under support. Rather than cut that all away as some have done, I noticed that you can carefully spread the two layers and slip in a metal repair mesh patch. I epoxied that patch support in place under the washer port repair.
Pretty much finished and ready for paint...
The rack I plan on using as a paint stand is actually one of those two barred rolly clothes racks that you can pick up cheap in any jysk (Like IKEA but with products made in Asia)
A rough in of the front lic. plate location. Considering hanging it from under the lower grill. Not too sure about this yet cause I have a vanity plate that will have to have the lower portion bent back to fit. A slight concern about the impact on engine cooling, but the bracket moves the plate out slightly in front of the grill. I can alsi modify the brake coolokg ducts to direct air into the engine compartment.
The M Bumper voids the fog lights from the stock bumper. Im looking into mounting LED Fogs on the base of the brake ducts. That is a deep into the duct as I can. Using the stock wiring and electrical connectors so the stock fog light switch will still operate fogs. (Not that I use fog light much)
A coupla chemicals I need to finish off this project ....
Up next ..Paint....
Luckily after the local body shop would not touch my bumper because they wanted to do all the prep at a rediculous price ...
I decided I understand spray painting. It works when you are surgically clean about prep and take your time ..
If you get too excited or rush it you get drips and runs ...
I located a local NAPA Store that has a custom mix department. The tech was extremely helpful with tips and advice.
I ordered up 3 cans of custom Alpine White 300 as per my fender well and 3 cans of high quality clear.
Not cheap ..Each can of custom mix is $35 and the clear is $20. I can return unopened clear.
Painting is yet to come ..Call that Chapter 2.
Last edited by Bumpy on Sun Sep 01, 2013 9:54 pm, edited 17 times in total.
- a340driver
- Member
- Posts: 481
- Joined: Sun Apr 24, 2011 6:05 pm
Re: My Life with a Z4M Bumper !
Looking forward to this!
- Adamski
- Lifer
- Posts: 14280
- Joined: Mon Jul 18, 2011 12:46 pm
- Location: Edinburgh
Re: My Life with a Z4M Bumper !
Cracking thread..... will watch with interest
Gone: Z4M Coupé|Black Sapphire|OEM CSLs|Aero Skirts|OEM Strut Brace|Nav|Heated Seats|Logic 7 Pro Hi-fi|Bluetooth|Carbon Leather|PDC|BMW Assist|Stubby
Gone: Cherished 2003 3.0i Black Sapphire Roadster
Gone: Cherished 2003 3.0i Black Sapphire Roadster
- bradmarsh1989
- Senior Member
- Posts: 1281
- Joined: Sun Feb 24, 2013 6:07 pm
- Location: Bournemouth
Re: My Life with a Z4M Bumper !
Keep it up. Make the bumper a lil different to all the normal m bumpers out there.. get a lil marmite in you! X
-
- Senior Member
- Posts: 2216
- Joined: Wed Jun 13, 2012 9:30 pm
Re: My Life with a Z4M Bumper !
Nice one
E85 2.5 sterling grey
E89 3.0 se
Porsche 987 Boxster 3.4S
E89 3.5i
TVR Chimerea 4 litres of rolling thunder
Corvette C6 a moment of insanity
E89 3.0i
E89 3.0 se
Porsche 987 Boxster 3.4S
E89 3.5i
TVR Chimerea 4 litres of rolling thunder
Corvette C6 a moment of insanity
E89 3.0i
- si-forks
- Lifer
- Posts: 3907
- Joined: Mon Jan 07, 2013 6:48 pm
Re: My Life with a Z4M Bumper !
Great thread looking for to seeing the finished bumper
si-forks is now tapa chatting in HD
si-forks is now tapa chatting in HD
-
- Member
- Posts: 208
- Joined: Tue Nov 15, 2011 5:00 pm
Re: My Life with a Z4M Bumper !
where in ontario are you??
-
- Senior Member
- Posts: 1141
- Joined: Tue Dec 27, 2011 12:13 am
- Location: Whitby, Ontario, Canada
Re: My Life with a Z4M Bumper !
I'm in Whitby ...spr_bimmer wrote:where in ontario are you??
- Darren Slone
- Lifer
- Posts: 8105
- Joined: Tue Jun 14, 2011 9:27 pm
- Location: Nottinghamshire
Re: My Life with a Z4M Bumper !
What a great job and interesting post
Current Porsche Cayman S 987.1
Now sold - Imola Z4MC
Now sold - Silver Grey Z4MC
OEM CSL’s, Supersprint, Gruppe M, Eibachs, Carbon Roof, carbon rear spoiler,,
Now sold - My other Z
‘71 Datsun 240Z imported from West Coast USA
- andysat
- Lifer
- Posts: 16731
- Joined: Sun Jun 28, 2009 6:52 pm
- andysat
- Lifer
- Posts: 16731
- Joined: Sun Jun 28, 2009 6:52 pm
-
- Senior Member
- Posts: 2736
- Joined: Sun May 27, 2012 11:23 pm
Re: My Life with a Z4M Bumper !
Jonny essex wrote:f**k that....new one £580, no minceing around and BANG its on ur Zed!
yeah but sometimes the fun is in the doing.... (i know that all too well as 18 months later i was still swearing at my nearly built car)
nice post.. loots great
Proud Whip owner
-
- Senior Member
- Posts: 1141
- Joined: Tue Dec 27, 2011 12:13 am
- Location: Whitby, Ontario, Canada
Re: My Life with a Z4M Bumper !
Jonny essex ...Jonny essex wrote:f**k that....new one £580, no minceing around and BANG its on ur Zed!
You must be a Rocker ....
But thanks for the advice.
Coupla things though ..
580 Britsh Pounds (I have no L key over here)
Well if you could actually do the swap for that much I might have considered that.
Real world BMW Prices plus the finish and install tend to have nothing to do with what you discover on the interwebs.
Check with many over there who have been disappointed with M Style and you will discover untruth in advertizing.
Next to consider ...
Discretionary purchases ..
Many here have SWMBO to filter their desires through ..
And the Zed has a perfectly fine Facelift front bumper ..
So why would I need another ? ...
Its a tough sell even in the best of times ...
Lastly ...I was born to be a Shop Teacher ..
At least that's what I ended up doing for over 30 years ...
I'm a Specialist in Design and Technology ...
At least that's what's on my teacher certification ..
And all those years of convincing teenagers to consider alternatives and improvements to their concepts ...
Well I owe this project to keeping the faith with them ...
Hence I considered aesthetic improvements by painting the grill and brake cooling ducts to match body colour.
Installing Led Foglights deep into the faux cooling ducts, and relocating the front license location lower as not to obstruct the voluptuous lines of the M Bumper.
Recognizing that by obstructing the lower grill could affect engine cooling, and having a solution (side vents in the brake cooling ducts) ready just in case.
And as some here have noted...Just the satisfaction of doing quality work yourself and to a lesser extent - Sticking it to the man !
I post my adventure on here not to use the Zed Forum as a bitching post...
But to assist others who are going down the same road by sharing what I've discovered. ...
Nuff Said ?
Cheers
Bumpy
- cj10jeeper
- Lifer
- Posts: 17846
- Joined: Fri Jun 22, 2007 11:50 am
- Location: Lichfield, England
Re: My Life with a Z4M Bumper !
Nice post and great looking results so far
I have an ///M bumper sat in my garage as an Autumn project. Given I'm half decent with a spray gun and actually have a reasonable compressor, tank and airgun at home, I really ought to do the work myself.
Look forward to the end results and seeing if you can get a decent finish out of rattle cans and lacquer.
I have an ///M bumper sat in my garage as an Autumn project. Given I'm half decent with a spray gun and actually have a reasonable compressor, tank and airgun at home, I really ought to do the work myself.
Look forward to the end results and seeing if you can get a decent finish out of rattle cans and lacquer.
Jaguar F-Type 3.0 Supercharged V6 S, Stratus Grey, LSD, Active Exhaust, CF wheels, Performance brakes, Sports seats and mods ongoing
Gone but not forgotten Z4 3.0i SE Roadster ///M front, Red ///M leather seats, Aero sills
Gone but not forgotten Z4 3.0i SE Roadster ///M front, Red ///M leather seats, Aero sills
- GMANLAW
- Member
- Posts: 207
- Joined: Fri Jul 06, 2012 9:00 pm
- Location: WHALLEY, LANCASHIRE
Re: My Life with a Z4M Bumper !
Great work! Nice write-up and valid comments
Wrapped Magnetic Burst SI Sport Coupe....Good Spec plus M Front and Rear Bumpers, M Bonnet, Quad Exhaust, Aeroskirts, Drilled front and rear brake discs, 326 19's ZHP knob and obligatory Stubby!