SKU: 57720406398

Stoptech Rear Cross Drilled Rotors - E30 M3 (282x12mm) (NLA)

Sale price$196.20 Regular price$218.00
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Description

Stoptech Rear Cross Drilled Rotors - E30 M3 (282x12mm) (NLA)Stoptech Cross Drilled rotors are 1 piece, drilled, direct replacement discs for your factory brake system and stock calipers. They offer improved cooling as well as other advantages the competition doesn't offer. Innovations include e coating, double disc grinding, full machining, mill balancing and center split castings, as well as the availability of directional vanes, cryogenic treatment and the use of Power Alloy. Today, Stoptech Cross Drilled



Stoptech Cross-Drilled rotors are 1-piece, drilled, direct replacement discs for your factory brake system and stock calipers. They offer improved cooling as well as other advantages the competition doesn't offer. Innovations include e-coating, double-disc grinding, full machining, mill balancing and center-split castings, as well as the availability of directional vanes, cryogenic treatment and the use of Power Alloy. Today, Stoptech Cross-Drilled covers more than 2500 applications, all machined in Stoptech Cross-Drilled California manufacturing center. Every Stoptech Cross-Drilled rotor is a direct replacement for a factory brake rotor, allowing the retention of factory calipers in the system.

 

Most Stoptech Cross-Drilled rotors match the original factory cooling vane design. In the most popular sports car and light truck applications, Stoptech Cross-Drilled has improved the design by using directional (left- and right-handed) vanes to improve cooling. This represents a distinct upgrade from the original equipment rotors, which usually feature a straight vane or pillar vane design. The directional vane is a more efficient air pump. The resulting increase in airflow translates into greater resistance to brake fade and faster recovery from temperature spikes generated by aggressive braking maneuvers.

 

Every Stoptech Cross-Drilled rotor is finished with a black e-coating on both sides of the hat, inside the cooling vanes and on the outside edge. E-coating is a superior electro-statically applied finish designed to withstand 400 hours of salt water exposure without rusting. This is especially important on both mounting faces of the hat where it touches the hub flange and back face of the wheel. Any accumulation of rust in these areas can lead to installed lateral runout issues.

 

Stoptech Cross-Drilled rotors feature a double disc ground, taper free finish. Double disc grinding ensures parallelism, eliminates run out and provides near perfect disc thickness variation (DTV). Double disc grinding leaves a non-directional finish on the friction surface area for more effective pad and rotor break-in. This special finish also provides quieter and smoother stops.

 

Stoptech Cross-Drilled rotors feature 100 percent fully machined finishes including rotor hats. This extra process provides better rotor balance and creates a cleaner, more finished looking component.

 

Stoptech Cross-Drilled brake rotors are mill balanced to a tolerance of less than 2 oz-inch. This additional machining operation reduces feedback associated with rotor vibration and provides a smooth, confident application of braking force.

 

Center-split core castings provide proper heat transfer and thermal efficiency, resulting in superior braking power and safety.

 

Power Alloy metallurgy is another unique feature in many of Stoptech Cross-Drilled's rotors. Quality and performance live inside the rotor too. Choosing the correct foundry partner and working to improve the metallurgy are all part of Stoptech Cross-Drilled's continuous improvement process that helps to reach established targets for hardness and tensile strength. Many of Stoptech Cross-Drilled's top-selling part numbers are cast using this Power Alloy iron specification, an enhancement in the carbon and molybdenum content of the iron. Carbon and molybdenum promote crack resistance and improve noise, vibration and harshness (NVH).

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57720406398

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4.6 ★★★★★
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Verified Purchase
The Gabers
Louisville, US
★★★★★ 5
I don't know how I ever lived without it.
I'm very happy with this device. My laptop doesn't have an ethernet port and only has one USB-C SuperSpeed port, so I bought an ethernet to USB-C cable to connect my ethernet switch to the Anker and into my laptop's USB-C port, and it works great. I don't need a fast internet connection for the things I do, so my service is only a 50mbps symmetrical up/down connection, and that's what I get even while transferring files from my external between other devices, charging my phone, and using composite devices. I bought the Anker 100W Compact and Foldable USB C Charger for it and it charges my S24 extremely fast. It's very well built, yet super lightweight. I love the sleek, slender design. It's the perfect size to easily slide into a pocket, store in a desk drawer, or keep handy in a laptop case or backpack. Using it is easy. Just plug it into your computer and plug your devices into it. Just make sure you have a power supply for it if you're charging or powering other devices, using external storage, or running anything else that taxes USB power. I have had ZERO connectivity issues with it — no random disconnect/reconnect blips, no failed transfers for huge amounts of data that have taken up to 45 minutes, no static his or crackle when my headset is running through it... no problems at all. It's actually kind of spooky now that I think about it... I can't recall a time I've ever had a similar device that didn't have some nuance that got under my skin, like a loose connection, random disconnections, having to reinstall the drivers all the time, or having to troubleshoot just to get it connected for the first time. The most stress I've put it through was with my keyboard connected, ethernet running through it, my S24 charging and transferring about ~20gb of pictures and videos to my 2T external HD at the same time that my laptop was transferring about ~500gb of media and documents to the HD, too, and I was surprised by how warm it DIDN'T get. My only complaint is trivial and unique to my situation — I wish output cord was longer. About six inches would do. My laptop sits up on an adjustable stand that clamps to my desk, and the end where the output cord is hangs a few inches off of my desk. This puts extra stress on the USB-C port and can wear it out faster or damage it. I haven't had a use for the HDMI port yet, but I eventually will. I use all of the other ports for my work and personal devices, though. These include: a 2tb external hard drive; a Poly Blackwire 3320 Series headset; a dongle for a wireless mouse/keyboard combo or a wired keyboard and a dongle for a wireless mouse; my Galaxy S24 charges and transfers files through it super fast; I have several thumb drives ranging from 20gb to 512gb that I regularly use; I recently bought an RCA/S Video-to-USB converter to digitize old home movies I plug into it, too.
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Reviewed in the United States on October 25, 2025
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Verified Purchase
Carl H
Birmingham, US
★★★★★ 5
Anker wins again.
Worked well for usb hub but hdmi was not reliable. Disappointed because usually Anker products are good quality. UPDATE: Anker voluntarily offered a refund so my faith in Anker has been fully restored.
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Reviewed in the United States on May 5, 2026
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Verified Purchase
Jay Hammer
New York, US
★★★★★ 5
Perfect with a MacBook
The Anker USB C Hub works great with my MacBook Air. I paired it with the Anker 100W MacBook charger which plugs directly into the USB C Hub so I only have to plug in one cable like a true docking station. My Apple MagSafe charger stays in my briefcase so I always have a charger when I'm away from my desk. I also plug in my external monitor and an external hard drive. I highly recommend this product!
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Reviewed in the United States on June 5, 2026
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Verified Purchase
Samzirra
Cuba, US
★★★★★ 5
3 YEARS LATER REVIEW, and 2 YEARS LATER REVIEW
Style: 7 in 1 【1 HDMI】
(3 years now I have had this and today is July 12th 2025. I literally love this thing so much I came back yet again to tell you after 3 years it works just as good as the day I originally got it. It is scuffed and scratched, has the remnants of tape and stickers i applied over the years, it has seen much wear, tear, and abuse by me, and works perfectly! ANKER makes great products, but especially nowadays when there is so much cheap garbage out there, everything i have brought by ANKER just works everytime. The only time I have had an issue? Is when I broke something, or dropped it under a car wheel (I actually did this with the first one I bought, not from Amazon, but a few months beforehand, it still worked until I started messing with it to see if it still functions lol), because I tend to be extremely irresponsible with my portable electronics. If you do buy this, and you forget to order a power supply, I bought a 100w power supply from Walmart for it, that is also three years old and works great as well. If it makes it 5 years, I'll be back to tell you about it. Now, keep reading to see the first review i left awhile ago) This thing is so awesome. I had to come back and write another review first off. You will need a 100 watt power supply to go with it separately just get that out-of-the-way. You can get one at Walmart for fairly cheap. That’s what I did and after about six months, I actually glued the hub permanently to the power supply so they would never be separated now let me tell you how versatile this thing is you can take your iPad plug it into the little USB-C sticking out of the end of it then you could take an HDMI cord from the hub and plug it into your TV. If you have a splitter, you can do it into several TVs or several monitors. It has a microSD card for all your pictures. It has a not as micro a little bigger memory card can’t remember what they’re called but they go in like cameras and stuff SD cards? It reads those two it’s got a USB-C out so you can charge your phone if you have an iPhone and an iPad like I do it connects your iPhone into your iPad together so you can play video games on your phone on your giant screen of your iPad running an HDMI cord to your TV now you’re playing on your phone on your monitor and your TV and your iPad all at the same time and see how awesome I’m saying this is you can plug a keyboard into it and a microphone and a mouse and now your live streaming your gaming on your iPad your monitor your TV your projector I’ve even hooked mine to a projector! I’ve literally spent hours trying to see how many items I could plug into this thing and run at the same time just so I could put it on my YouTube channel and show off and have people give me no props, shake their heads, and say I’ve got way too much free time on my hands. Doesn’t that sound amazing? That could be you. One guy who made fun of me relentlessly in the comment section a week later asked me where I could get one and guess what I told him I could get one for twice the amount that I paid for it and he paid me so I win guess what I do with the money? I bought a midi cord that I plugged into my MPC so I could play music on GarageBand on my phone. Had another cord going from the hub to a monitor where I could watch OBS for studio live streaming as a third cord projected the entire image on a wall, 6 feet across while I produce this music a microphone that I also had plugged it into the hub was recording me freestyle horribly because I cant rap, but all of those magic moments captured on a small SD card also plugged into the hub at the time I just left in the hub and when I was done, all I had to do was unplugged the USB-C from my phone into my computer and transfer all the information over i’ve plugged my GoPro into it from my GoPro. I was able to power a light and a microphone this thing is endless possibilities. Do yourself a favor and get one anchor products are amazing and guess what I’ve stepped on this thing countless times my dog thrown it across the room. It’s fallen downstairs. I dropped a puddle of water put it in a bowl of rice it still works. I should be selling these things man they’re incredible.
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Reviewed in the United States on April 23, 2024
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Verified Purchase
Customer
Fort Morgan, US
★★★★★ 5
Durable, highly functional, and super reliable
Style: 7 in 1 【1 HDMI】
4 years since purchasing this and it's still just as useful, functionality is perfect, and compatibility is high. I use this with a Linux Pixelbook most often, but it's convenient for every device I own, including Android phones and tablets. The HDMI output works really well with devices capable of video output over USB-C, and this feature has never degraded for me. I routinely loaned it to students and professors for presentations when their own HDMI dongles or SD card adapters failed and it always immediately worked. I recently ordered an Anker 555 8-in-1 hub for the addition of ethernet, but I will continue using the 341 as well.
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Reviewed in the United States on March 26, 2026

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