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BMW M2 Forum > M2 Photos, Videos and Builds > So It Begins!!! My New M2C(S) Project [Update on Weight Reduction]

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      11-11-2018, 06:03 AM   #45
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Decent weight saying! I think you can get 100kg off the car...

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      11-11-2018, 08:34 AM   #46
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At least 5K indeed!
Lmao so I was off a few...thousand
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      11-11-2018, 08:43 AM   #47
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Quote:
Originally Posted by cntzl View Post
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Originally Posted by Robin_NL View Post
What's the disc diameter F/R?

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372mm front, 365mm rear
Congrats on the car, looks like a dream

So with the brake kit, you're getting the same amount or equivalent heat dissipation from smaller size rotors than the stock 400mm or is that a trade off you willing to take for a lighter set up?
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      11-11-2018, 10:51 AM   #48
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Are you going to try to go with a lithium battery that the M3 has? You can probably shave off 40+ lbs just by the battery.
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      11-11-2018, 11:32 AM   #49
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Quote:
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Originally Posted by cntzl View Post
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What's the disc diameter F/R?

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372mm front, 365mm rear
Congrats on the car, looks like a dream

So with the brake kit, you're getting the same amount or equivalent heat dissipation from smaller size rotors than the stock 400mm or is that a trade off you willing to take for a lighter set up?
Take a look at these two videos



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      11-11-2018, 11:37 AM   #50
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Are you going to try to go with a lithium battery that the M3 has? You can probably shave off 40+ lbs just by the battery.
I was initially planning to but decided not to (at least not for a while). The most of the weight is already in the front so I don't want to ruin the balance by taking 40lbs off the rear. My plan is to pair lithium battery with a super lightweight CF hood. Even then I would shave 15-20lbs extra from the rear compared to front. CF hoods are quite pricey so I'm not planning to do it anytime soon. I need to invest in some track wheels now since my Apex wheels from my M4 do not fit on the M2.
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      11-11-2018, 12:35 PM   #51
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Wow, nice project... great weight savings. The 763Ms look fantastic.
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      11-11-2018, 01:41 PM   #52
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Great post! My M2's currently being built, but I have some similar plans. I also had an M4 for a while; loved the power delivery, and the exhaust really grew on me. But it was the size that bothered me, having come from smaller M cars. I also highly anticipated the arrival of the M2, but was a bit disappointed with the engine, and lack of tuning potential.

In terms of the 6MT feel, if CAE is a bit more than you want to spend, I know Ron at AutoSolutions has worked closely with the guys at P-Tech with SSK's. I think he's developed a kit for the M3/M4, which should be applicable to the M2. While it will never make it feel like a Miata, it may help. I'll probably do this myself.

Have you looked into the Ultimate Clutch Pedal? I had it in my M4, and felt it made a nice, noticeable difference. I'll be putting this in my M2

Those are some excellent weight savings with the BBK! The cost is a bit hard to swallow for a poser like me who would rarely (if ever) track my car, and just use it as a canyon carver. But I'll still dream about it

I was hoping the CF roof would have been a factory installed option, but alas, no. The CF hood + roof would be some nice cosmetic/weight mods (mostly cosmetic), but the ~$10k cost is a bit hard to justify.

As for HS, it really shows how the color is a chameleon depending on the environment. In the Bay Area, it seems like it's a bit darker and more saturated, which I much prefer.

Congrats on the M2! Love the mods thus far!
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      11-11-2018, 05:20 PM   #53
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Originally Posted by cpvince View Post
Great list of mods.

Love the brake kit. I'd go the same route but man, really pricey. Wish the m big brake was an option on the m2c so that I can de-spec it to save money for an ap kit.

Still waiting my car too...real jelly. I turned down an offer yesterday from Fremont. Everything was right except for the dct.. definitely going manual this time around.
They sold that car yesterday an hour before I called to go see it. I really wanted to check out HS paint in person.
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      11-11-2018, 05:26 PM   #54
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Originally Posted by cntzl View Post
Update - 11/10/18

Got the car back today and the guys at PerformanceTechnic did an amazing job! They installed my Essex AP Racing BBK, Ohlins R&T, 763M wheels and some other minor stuff. Suspension needs to be dialed in little more and the ride height needs some tweaks but I'm quite with the end result.

Here's the big news. I did a before and after weight comparison with full tank as you can see from the pics below, it weighed 3563lbs before and 3494lbs after the mods. So I shaved off ~70lbs unsprung weight. I have been saying this car has so much potential to reduce weight and this is just the beginning for me. Next step is an exhaust system for me and planning drop another 30+lbs
Looks great, would love to see it in person some time!
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      11-11-2018, 06:46 PM   #55
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Quote:
Originally Posted by akkando View Post
Quote:
Originally Posted by cntzl View Post
Update - 11/10/18

Got the car back today and the guys at PerformanceTechnic did an amazing job! They installed my Essex AP Racing BBK, Ohlins R&T, 763M wheels and some other minor stuff. Suspension needs to be dialed in little more and the ride height needs some tweaks but I'm quite with the end result.

Here's the big news. I did a before and after weight comparison with full tank as you can see from the pics below, it weighed 3563lbs before and 3494lbs after the mods. So I shaved off ~70lbs unsprung weight. I have been saying this car has so much potential to reduce weight and this is just the beginning for me. Next step is an exhaust system for me and planning drop another 30+lbs
Looks great, would love to see it in person some time!
Yea, I saw your post above. If you wanna see it in person, you are more than welcome. I'll drop it off tomorrow for clear bra and roof wrap should be back by Wednesday or Thursday.
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      11-11-2018, 07:03 PM   #56
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Quote:
Originally Posted by cntzl View Post
Quote:
Originally Posted by akkando View Post
Quote:
Originally Posted by cntzl View Post
Update - 11/10/18

Got the car back today and the guys at PerformanceTechnic did an amazing job! They installed my Essex AP Racing BBK, Ohlins R&T, 763M wheels and some other minor stuff. Suspension needs to be dialed in little more and the ride height needs some tweaks but I'm quite with the end result.

Here's the big news. I did a before and after weight comparison with full tank as you can see from the pics below, it weighed 3563lbs before and 3494lbs after the mods. So I shaved off ~70lbs unsprung weight. I have been saying this car has so much potential to reduce weight and this is just the beginning for me. Next step is an exhaust system for me and planning drop another 30+lbs
Looks great, would love to see it in person some time!
Yea, I saw your post above. If you wanna see it in person, you are more than welcome. I'll drop it off tomorrow for clear bra and roof wrap should be back by Wednesday or Thursday.
Excellent! thank you!
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      11-11-2018, 07:26 PM   #57
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CONGRATS!
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      11-11-2018, 07:51 PM   #58
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Today I installed my M Performance spoiler and painted my muffler (thanks cptobvious for encouraging me ). Really liking the new overall look.

P.S. Don't mind the weird ride height. Rear is lower than what I'd prefer and front sits at a good level. Everything will be readjusted once it settles little more.
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      11-11-2018, 07:53 PM   #59
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Quote:
Originally Posted by akkando View Post
Quote:
Originally Posted by cpvince View Post
Great list of mods.

Love the brake kit. I'd go the same route but man, really pricey. Wish the m big brake was an option on the m2c so that I can de-spec it to save money for an ap kit.

Still waiting my car too...real jelly. I turned down an offer yesterday from Fremont. Everything was right except for the dct.. definitely going manual this time around.
They sold that car yesterday an hour before I called to go see it. I really wanted to check out HS paint in person.
Dang, should've just went there anyway. They were detailing it on Saturday and I saw it in the back when I went to pick up my X5 from service.
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      11-11-2018, 08:30 PM   #60
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Quote:
Originally Posted by cntzl View Post
Today I installed my M Performance spoiler and painted my muffler (thanks cptobvious for encouraging me ). Really liking the new overall look.

P.S. Don't mind the weird ride height. Rear is lower than what I'd prefer and front sits at a good level. Everything will be readjusted once it settles little more.
Looking FANTASTIC!

I really like the 788m wheels, but your pictures are convincing me that the 763m wheels are the real deal!
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      11-12-2018, 02:50 AM   #61
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Agreed - wheels look good and the spoiler works well with the other black bits - wheels, rear reflector 'deletes', exhaust tips, and the newly 'erased' exhaust can. All ties together nicely and the weight savings so far are impressive.
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      11-12-2018, 05:19 AM   #62
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This thing is pure porn.

Why horizontal slots instead of honey weave in the reflector delete?
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      11-12-2018, 10:32 AM   #63
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This thing is pure porn.

Why horizontal slots instead of honey weave in the reflector delete?
Because I like horizontal ones better
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      11-12-2018, 10:57 AM   #64
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Now you are making me doubt. I am still on the fence of ordering a set.
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      11-12-2018, 04:26 PM   #65
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You will love the Essex Pro5000R AP-Racing kit. They are in a league of their own compared to what you're used to on your M4. I wish I had it on all my cars.

Should have gone with JRZs though! Lol!

Did you ever weigh your M4 comp? What did it come out to?
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      11-12-2018, 04:43 PM   #66
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You will love the Essex Pro5000R AP-Racing kit. They are in a league of their own compared to what you're used to on your M4. I wish I had it on all my cars.

Should have gone with JRZs though! Lol!

Did you ever weigh your M4 comp? What did it come out to?
Thanks Brakes are awesome and my only complaint about them is regarding the DS2500 pads that I'll be using only on the street. When coming to a full stop, they squeal lottle bit at 5mph or below. Many people use DS2500 for street and DS1.11 for the track since this pair doesn't require bed-in after pad change. However, I might switch to a different street pad to achieve 100% squeal free braking lol.

I don't track nearly as often as you so I thought Ohlins would be nice upgrade over the stock suspension My only concern is the rebuild interval for Ohlins. We'll see how long they will last for me.

I have never weighed my M4 unfortunately but it had MPE which saves about 25lbs over the stock exhaust so stock vs stock my M4 might have been lighter than the M2C (most likely it was). I'll try to save another 30+lbs from the M2 with an exhaust and take break for a while for modding M2 doesn't have lithium battery so there is a huge potential to shave off another ~40lbs with a $700 lithium battery but I don't wanna remove that much weight from the rear without touching the front (not to upset the weight distribution).
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