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Project 2011 Brabus Roadster

Moge

Member
Sep 25, 2018
68
75
Oslo
My calipers are finally fully refurbished and are being shipped from the UK today. Got my old calipers painted in Electric Orange (
1f603.png
) and have also purchased a set of 4 piston calipers which will replace the stock 2 piston up front. I'm moving my 2 piston to the rear and leaving the original rear caliper as hand brake only. Pretty excited to get them mounted!! The refurb came in at £750 as there was quite a lot of work on the rear calipers.
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50466318_2992418610784146_970550463004934144_n.jpg 50301975_1985868618207214_4342576544619692032_n.jpg 50196320_1975113289460058_1862276117075853312_n.jpg 50063306_1215315318644018_2830042981711478784_n.jpg 50474535_1161002720716119_5022573148655058944_n.jpg 49897838_902623386795672_6488327770316210176_n.jpg 50340821_295020564699184_8436500841015279616_n.jpg 50623496_527849497721704_5818045153943748608_n.jpg 49949186_793751734305503_2324475419157331968_n.jpg
 

MCroadster

Member
Apr 15, 2018
74
26
California
My calipers are finally fully refurbished and are being shipped from the UK today. Got my old calipers painted in Electric Orange (
1f603.png
) and have also purchased a set of 4 piston calipers which will replace the stock 2 piston up front. I'm moving my 2 piston to the rear and leaving the original rear caliper as hand brake only. Pretty excited to get them mounted!! The refurb came in at £750 as there was quite a lot of work on the rear calipers.
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Those look great! The orange really stands out. What's the model of the 4 piston caliper you picked?
 

Moge

Member
Sep 25, 2018
68
75
Oslo
The calipers are finally mounted and the car was on the road again yesterday for the first time in 8 weeks. The assembly of the new calipers took us almost 3 days, mostly due to small adjustments we needed to do to the rear caliper bracket but also just figuring out to do it correctly and getting all the parts together. Luckily the upgrade doesn't require a bigger master cylinder.

We started with the new 4 pot caliper up front. The adapter plate bolted straight on and we then had to change the brake hose to a longer hose made for the 4 pot caliper. The caliper is a bit wider than the OEM 2pot so I needed a 3mm spacer to get enough room between the caliper and the rims. We've also decided to go for EBC YellowStuff pads which seems to be the preferred option here at the forum.
20190122_122442_resized_1.jpg


At the same time we installed the OEM adjustable coilovers from Bilstein and changed the front wheel bearing.
20190122_122005_resized_1.jpg
Changing the brake hose was a bit fiddly as the access is under the bonnet and a bit hard to get to.

We've chosen a relatively inexpensive 308mm brake disc from EBC due to all of the salt on Norwegian winter roads. I'll most probably look into better discs when it's time to get the summer wheels on. The 4 pot caliper form Eliseparts.com doesn't require any spacers with the 308mm disc.
20190122_140428_resized_1.jpg

Here's the difference between the OEM 2pot and the 4 pot: 20190122_140544_resized_1.jpg
 

Moge

Member
Sep 25, 2018
68
75
Oslo
Upgrading the rear brake system turned out to be a bit more difficult than we first anticipated. The bracket from eliseparts.com Elise Parts - Braking Systems - Brake Calipers - Rear Radial Caliper Mounts aren't as bolt as we hoped they would be. We had to do several modifications to the bracket to get it into position. The ABS wire needed more space and the upper corner had to be sanded down. 20190124_112256_resized.jpg 20190124_112302_resized.jpg
During our test fitting we also saw that the caliper and the brake disc wasn't aligned, which we solved by sanding down the bracket 1mm on the lower mounting point.20190124_125330_resized.jpg

Getting the bolts off the upright was easier than expected, but replacing them with the longer bolts that came in the kit was impossible without unscrewing the rear axle and push it inwards. The amount of NM needed to get the bolt of is incredible but came of after putting my full 90kg's of weight on the wrench :) Sadly I forgot to take a picture of the bracket when it finally was mounted, but I'll try to take one later if someone would like to see how it fits. We then fitted the same 308mm EBC brake discs as up front. You'll need 4mm spacers on the OEM 2 pot caliper to get it to clear the brake disc. We chose the same YellowStuff brake pads. While doing the upgrade we also installed new brake hoses and adjustable coilovers (salvage).
20190124_140223_resized.jpg

We didn't mount the OEM 1 piston rear caliper back on as we still have to change the handbrake cable. The only purpose of the old rear caliper is for the hand brake. There's no spacer needed for that caliper. The wheels had no clearing issues with the caliper and don't require any spacer (though I might get some to widen the stance a bit).
20190124_140214_resized.jpg

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We performed the first test run yesterday with upgraded brakes and suspension, and the feel of the brakes is amazing! A bit softer then anticipated when applying force to the brake pedal, but the stopping power is phenomenal, balanced and very easy to control. With the 4 piston upgrade up front and the 2 piston OEM calipper in the rear one doesn't have to upgrade the brake booster, but it feels like a different car. Especially with the brakes still cold. i had to drive straight to the SC for the annual service today, so didn't have the time to do a proper test (and the car is on soft winter tires as well which doesn't let the car show it's true stopping potential. Tesla Bjørn will most probably to an extended test later this spring :)
 

Moge

Member
Sep 25, 2018
68
75
Oslo
Teslabjørn did a review on my Roadster, sadly I didn't get the chance to brief him on the Roadster history and give him the main stats, nevertheless a fun video sporting all my upgrades:
 
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jfischer

Member
Feb 6, 2014
186
246
Houston
I’m 6’4 - hmmm...
What’s with exceptionally tall people driving tiny Roadsters?

I’m 6’5” and it’s a “ comfy” fit... like a fighter cockpit.
Getting in and out WITH the top on is a bit of an contortionist exercise regiment..

Standing next to it, the car is almost waist high.. lol

Ive got a viper and a corvette stingray as well, but prefer the ride and handling my 2.5 roadster

A7A89310-7710-4003-84BC-60B9EC67BD43.jpeg
 

GJVR

Member
Aug 8, 2017
143
138
Amsterdam
I r
The rear view mirror from Zoom Engineering arrived today, and the swap was extremely easy. It turns out that the owner of Zoom actually owns a Roadster himself, and he has made a specific roadster mount (the G11 アームG11(車種別設定) : NEO ズームエンジニアリング :, お買い物ならNEO ズームエンジニアリング オンラインショップ). It came assembled and took me 5 minutes to do the whole job (a bit fiddly to use the small Allen key to fix it). Including shipping it came in at USD 200,-
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I really like this zoom mirror!
After having installed the Transforged side mirrors I have to upgrade this one too..
Can you send a picture of the result?
The zoom site is in Japanese.
How to order the roadster mirror?
Thanks!
 

drewski

Supporting Member
Sep 22, 2019
672
394
SF Bay Area
@Moge do you have a closer shot of the front brakes with the wheel on? is there a decent amount of clearance?

i was thinking of putting the 4-pots up front and am buying the 2-piece rotors from titanium dave. could possibly get 310mm for both the front & back instead of the stock 300/310mm f/r sizes.
View attachment 371630
 

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