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      02-16-2018, 09:30 PM   #23
chris_flies
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Originally Posted by elitesales305 View Post
I'm happy with my StopTech rotors. Mine are purely slotted due to concerns with cracking under track stresses. Ran a weekend with 4x20 minute sessions per day with no issues. Running from the ambient <20 degree temperatures, to operating temperatures, no warpage, though the black e-coating faded to white.

My dad recently got Posi Quiet Ceramic pads for his GTI. He's very happy! Good bite, much less dust than standard VAG (almost worse than BMW) pads.

But you clearly don't plan to do any track days, so these would be fine. Plus, the drills reduce weight, which means you get maybe a thousandth of a second faster on your 1/4 ET...
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      02-16-2018, 11:00 PM   #24
captain slowly
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fcpeuro has the rear performance rotors too-- https://www.fcpeuro.com/products/bmw...5i-34216795754

Since you don't plan on tracking the car, I think you'll be fine with some OEM BMW "regular" rotors, which are obviously cheaper, but not chinese, like the ones in your first link
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      02-17-2018, 12:50 AM   #25
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"I don't track..just street race"

Nuff said-goodbye
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      02-17-2018, 08:27 AM   #26
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"I don't track..just street race"

Nuff said-goodbye
Hey now, don't screw around with natural selection
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      02-18-2018, 01:45 PM   #27
Tommm
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Quote:
Originally Posted by elitesales305 View Post
...
I don't track.. I just street race every now and again.. so , 1400 for some brakes and rotors..is a bit much....
My kid coaches Special Olympics. You may be one of her students.
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I think they are made in china, I think I would stick to German workmanship, although china is making some pretty good stuff nowadays...
Take a step back to the history classes we all slept through. China was a world leader in metallurgy for centuries. The craftsmanship was second to none. while I am not a fan of a lot of the craptastic stuff coming from China, I think their history with metals is good enough for a lump of steel.
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      02-18-2018, 06:37 PM   #28
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Quote:
Originally Posted by chris_flies View Post
I've got StopTech slotted sport rotors, they look great, are quiet. But they are heavy as hell, and the black coating along the vent exhausts turns white after track day levels of heat.

As for pads, I'm running the OEM pads for the F30 335i calipers I have. They work surprisingly well on-track, are quiet and bite-y on the street, but the dust levels are stupid, and you'll probably only get two weekends out of them. (Based on wear in 15-degree weather...)

My next set is likely to be Cool Carbon S/T Plus'. I've read some really positive reviews, all complementing their low dust levels, strong initial bite, and excellent fade resistance (compared to OE). Everyone seems to love Cool Carbons...
Are the stoptechs heavier than stock? a lot heavier? Read nothing but good things about them on daily and tracked cars, especially with their pads.
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      02-18-2018, 08:21 PM   #29
chris_flies
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Originally Posted by Zombie_Head View Post
Are the stoptechs heavier than stock? a lot heavier? Read nothing but good things about them on daily and tracked cars, especially with their pads.
Now, I was replacing tiny 128i rotors with GIGANTIC 335i rotors, so your experience may differ. The OE f30 ones are technically two-piece, with a traditional Iron friction surface with aluminum hats. I think the standard 135i rotors are the same make-up. The stoptechs don't have the aluminum hat, which is the biggest reason why they're cheaper than the OE ones.
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      02-18-2018, 11:49 PM   #30
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You're gonna kill yourself with an upgraded turbo and ebay brakes...
Reminded me of a Christmas Story...

"You'll Shoot Your Eye Out"

But I do agree with you. Upgrade in order - suspension, brakes, driver, power, repeat.
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      02-19-2018, 09:33 AM   #31
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Quote:
Originally Posted by Gangplank View Post
Reminded me of a Christmas Story...

"You'll Shoot Your Eye Out"

But I do agree with you. Upgrade in order - suspension, brakes, driver, power, repeat.
My upgrade order was always driver first, so that's why my car is still stock -- still haven't reached the limits of the car at Lime Rock, despite a best time of 1:08 on runflats.
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