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JoeB 16th November 2017 00:44

JoeB's Z300S Build
Hi All

I've been looking on this forum for a while for tips and ideas for my build and I'm only just getting round to put any info up about my car. Just thought I'd finally say hello!!

I made a visit to the Stoneleigh show in 2015 and saw WCA and his black Z300S and that's when I decided I needed one of those cars!!

I'm currently at the stage where I am prepping the car before paint so a lot of the work has already been done so I will put some photos up shortly.



JoeB 16th November 2017 02:16

It all started off as a 2.8 manual Z3 that I found on autotrader which was suitable.

Here are a few photos of when I first got the kit from nubodi and started placing the kit on the car.

The day I collected the kit was the day my new steering wheel arrived in the post too!

All it needed then was a piece of aluminium, a wheel centre cap and an hour or two on the lathe until it was ready to go in the car.

Once the panels were placed on the car I then went about deciding how I wanted the rear lights to be arranged and I also started mocking up how the exhaust would sit.

The exhaust is from a 2015 BMW M4 that had a small amount of damage to one of the tips. I will be changing the tips so this doesn't really matter to me.

The M4 exhaust has bypass valves built in so hopefully I can get these working with the car at some point in the future.

Welshkiwi 16th November 2017 04:44

Welcome Joe,
Like the work so far on the car, some real nice touches in there, especially the work on the steering wheel. Great job so far, keep it up for the finish! Cheers Mark.

Barber 16th November 2017 07:28

Welcome Joe,

Great to see another new build on the forum, and also good to see another Z300S. Your steering wheel looks class. Enjoy your build.

WorldClassAccident 16th November 2017 10:02


Glad you liked my car. Welcome to the club!!

JoeB 16th November 2017 20:09

Thanks for the welcome guys!! There doesn't seem to be as many Z300S cars on here compared to the 250 SWB so I've spent quite some time looking at WCA's build for info. Thanks again WCA!

The next stage was some new wheels to better fill the wide arches on the Z300S!

Looking a little better now!

The next few jobs were to sort out the number plate recess, fuel filler move to the rear wing and mounting the rear lights.

Testing some new exhaust tips too

Plus some coilovers to drop the height a little and some spacers...

From this...

To this...

I will put up some more progress when I get a chance.

DaveP 16th November 2017 21:23

That is looking sweet 👌

Liking those wheels a lot.

What make and size did you decide upon may I ask.

And the choice of spacer size looks to be just right

Welcome to the forum by the way


DaveP 16th November 2017 21:24

And frenching in the rear lights with pint glasses is very cool - not sure if it's an MOT pass though :)

JoeB 16th November 2017 21:58

Thank you Dave!

The wheels are Ultralite in 18 inch diameter with an offset of 30 to try and fill the arches as much as possible.

The lights have been mounted in the body using 3mm acrylic pipe for the shape and then fibre glassed in the rear to keep them secure.

The acrylic tubes got cut down to match the curves of the body when the hole for the number plate recess was cut out.

The rear had to be taken off again to run the fuel filler extension up the inside of the bodywork to the rear wing.

After a bit of testing the wiring in the old tail light the new lights were in and working...

Then another few photos after I had mounted the number plate recess and sanded the mould lines on the front of the car.

Paul L 17th November 2017 06:02

JoeB - Welcome to the forum.

It looks like there are lots of nice touches on your build. :cool:

So I look forward to seeing more photos of your work to date.

As you going to paint the car yourself, or are you prepping it for someone else to finish?

Good luck, Paul. :)

Lucky@LeMans 17th November 2017 09:44

Good to see a new build on here.

I like your idea using the BMW exhaust, it seems to have fitted really well. Same with your choice of lights, they look "right".

Nice build, won't be long before you're finished at this rate, what colour are you going for ?

WorldClassAccident 17th November 2017 10:22

Good progress but your garage looks far too tidy and organised!


IanA 17th November 2017 10:26


Originally Posted by JoeB (Post 91811)
I'm currently at the stage where I am prepping the car before paint *...

Welcome, Joe. Another Boston Green donor like mine. Not the best colour for disposal of the old body panels but they do go. The door shuts will need attention as well !!!

I guess yours must be Z300S #7.

Looking forward to knowing your colour choice.

*Mine's been like that for 2 years...

JoeB 17th November 2017 13:54

Thanks guys!!

I won't be painting the car myself, I am sending it out to get done at a body shop once the majority of the work has been done.

The M4 exhaust was just a great deal at the time to be honest! I bought it on eBay for about 30 pounds as it was damaged! I have been coming up with a circuit design recently that will allow the bypass valves in the exhaust to open when you hit full throttle then return to normal after a set time period. Plus I will be able to use them in manual with a switch when the situation requires.

The car will be finished in a range rover colour called Carpathian Grey. Its a gun metal type colour and should hopefully be finished soon.

WCA I thought the garage was a bit messy at the moment actually! haha!

I think when I bought the kit from Nubodi about two years ago, Richard said that my kit was the 6th one produced. Number 6 or 7 will do! I like that the Z300S has very limited numbers!

Some of you guys may have noticed in some previous photos that I had stuck the three grills on the front wings. I did this to gauge whether or not I liked the look of them there. After a while I decided I did like them but they needed to be correctly sunk in to the bodywork.

From this...

To this...

Some work has also taken place on the interior of the car...

Steering wheel in!

Interior switches have been rewired and converted to something a bit more suitable with some extra leds. Plus a conversion of the gear stick and surround to a H gate design.

The switches will have some vinyl stickers applied eventually to show what does what.

Plus some new seats!

The interior is set to have more changes yet as I've had a delivery from tribute automotive. One of their new 250 SWB dash boards has arrived and I have been making a few changes to it to better suit the needs of my car. I will post another update of the dashboard build soon.

One question I do have, which is more directed at WCA and IanA is how have you guys went about latching the boot lid on the car? Are you still using the Z3 latch with the solenoid to 'pop' the boot lid?

Jaguartvr 17th November 2017 14:24

Love the side vents and the exhaust.
Do post on the dash wiring as it is on my wish list.

Would love a similar gear "H" but full size to replace the existing gaitor.

JoeB 17th November 2017 14:32

I will have a look at all the notes I've got on the switches and put a post up soon.

Currently working on some new gauges too that will be for the tribute dashboard for the 250 swb.

A H gate could be made to fit the existing gear surround with a bit of time and patience. Measuring the angles of the gear stick through each motion was the hardest part.

WorldClassAccident 17th November 2017 16:55

I will take some photos of my latch for you at the weekend. It is purely mechanical (I screwed a spring to the boot edge to push the boot up)

IanA 17th November 2017 17:34

#6 it is then. We wondered what had happened to that kit that went to Nubodi.

For my boot lock- I supplied, and Chris fitted a "Hex Nut 21mm Male Thread Mounted Security Panel Lock for Drawer Cabinet" off eBay. Its disadvantage is that there is no hole cover so it freezes in winter.
However I've seen this "Hex Nut 19mm Male Thread Mounted Security Panel Lock for Drawer Cabinet" which has a cover and have one to fit when I get a round tuit as well. A bit like the wood rim wheel and boss kit.

molleur 17th November 2017 20:42


Originally Posted by JoeB (Post 91866)
I will have a look at all the notes I've got on the switches and put a post up soon.

Currently working on some new gauges too that will be for the tribute dashboard for the 250 swb.

A H gate could be made to fit the existing gear surround with a bit of time and patience. Measuring the angles of the gear stick through each motion was the hardest part.

May I suggest some blue painters tape.
Place the gear lever in each gear and align a piece of tape next to it.
Carefully remove the tape and you will have a beginning pattern. Make it in cardboard and see if any modifications are needed. Transfer to whichever material you choose for the gate and Bob's your uncle.

Jaguartvr 17th November 2017 21:06

It would be nice to have the boot catch on the remote, removable numberplate for emergency access.

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