EBC Racing 2021+ BMW M3/M4 (G80/G82/G87) 2 Piece SG Racing Rear Rotors

EBC Racing 2021+ BMW M3/M4 (G80/G82/G87) 2 Piece SG Racing Rear Rotors

Marsoni

M251S

$621.50

Get it in 3 business days with 1 day shipping. Friday, May 29

EBC Racing 2021+ BMW M3/M4 (G80/G82/G87) 2 Piece SG Racing Rear RotorsUpgrading to an EBC 2 piece disc will shave crucial kilogrammes off a vehicles un sprung rotational mass, leading to sharper turn in, improved tyre road holding, better fuel economy and an increase to BHP at the wheels. Best of all, when the cast iron friction ring becomes worn after a period of use, the outer ring alone can be replaced, allowing the centre hub and stainless bobbins to be re used, reducing long term running costs. Installation

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We offer a 30-day return/exchange service after receiving.
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This relay has experienced failure again after just a couple of months of use. It's not the mag coil that fails but rather the contacts are of such low quality that they corrode beyond their ability to conduct power, and fast. I have had to change two of these so far and am on the third one. The seller will ship replacements but who wants to keep replacing them? I have to travel in my RV with a spare. This relay has never been exposed to the elements. It's safely mounted inside a sealed bay. Be aware of any brands that look like this, they are all the same.

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Reviewed in the United States on November 15, 2025

Verified Purchase

Dave Kulina

Port Orchard, US

★★★★★ 5

Works great

I added extra batteries to run a truck camper without killing my main battery and this works great. Simple to install and i have no had any problems in the pay few months and i use it every single day

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Reviewed in the United States on April 18, 2021

Verified Purchase

Amazon Customer

Birmingham, US

★★★★★ 5

Installed in my RV.

This product works well. It is somewhat difficult to mount. The contact points are a little too close together. These deficiencies are understandable given its low cost and small size.

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Reviewed in the United States on January 18, 2021