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RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58

Name: RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58
Brand: RM Motors
SKU: PROM.112137C/E6
Price: 2660.96 EUR
Availability: InStock
Rating: 5 (336 reviews)

Original price was: 2.743,26€.Current price is: 2.660,96€. VAT incl.

RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58 – high-quality downpipe PROM.112137C/E6. CNC manufactured, improved flow, performance and durability.

SKU: PROM.112137C/E6 Category: RM Motors Downpipes Tags: BMW, Downpipe, RM Motors

RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58 PROM.112137C/E6

Upgrade your BMW exhaust flow and performance with the RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58 PROM.112137C/E6. Manufactured from premium T304 stainless steel, this downpipe ensures exceptional strength, improved exhaust gas flow and increased efficiency. Designed with precision using CNC technology, it provides maximum reliability and support for both tuned and stock engines.

Key Features & Benefits of RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58

Enhanced Exhaust Flow for improved throttle response and potential power gains
T304 Stainless Steel Construction – corrosion-resistant, long-term durability
Precision CNC Manufacturing – perfect fitment and structural strength
24-Month Manufacturer Warranty

Compatible Models & Fitment

Fitment: BMW M3 COMPETITION G80/G81, M4 G82/G83
Engine: 3.0 S58
Category: Downpipe
Product Code: PROM.112137C/E6

Information about RM Motors Downpipe with catalyst BMW M3 Competition (G80, G81) S58B, M4 (G82 / G83) 3.0 S58

Downpipe with catalyst HJS BMW M3 Competition (G80, G81), M4 (G82 / G83) 3.0 S58

has the following connections:

three lambda probe sockets
two pressure difference sensors
F133 flange
F88 flange

The downpipe has two sports catalytic converters. You can choose EURO6 200 CPSI with the number 90603180 or MOTORSPORT 100 CPSI with the number 90603103.

Downpipe BMW M3 Competition (G80,G81), M4 (G82 / G83) 3.0 S58 – OE numbers:

18328468987/18 32 8 468 987

18328468988/18 32 8 468 988

18329501471/18 32 9 501 471

18329501472/18 32 9 501 472

The element fits the following models equipped with rear-wheel drive and four-wheel drive (M xdrive):

– BMW M3 / M4 with engine code S58O

– BMW M3 / M4 Competition with engine code S58T

– BMW M3 / M4 Competition M xDrive with engine code S58T

– BMW M3 CS with engine code S58T

– BMW M3 Competition Touring with engine code S58T

– BMW M4 CSL with engine code S58T

Check out other downpipes from our offer.

Why Choose This Manufacturer Downpipe?

RM Motors downpipes are built for tuning specialists and performance enthusiasts who demand superior materials, reliability and maximum performance potential. The downpipe reduces backpressure, supports higher power output, and enhances turbo efficiency—making it ideal for both stage 1 and stage 2 performance upgrades.

More from RM Motors

Product manufacturer	RM Motors
Brand	Downpipe
Car brand	BMW
RM Motors Model	M3 COMPETITION G80/G81, M4 G82/G83
RM Motors Engine	3.0 S58

Reviews

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Only logged in customers who have purchased this product may leave a review.

Peter K.

2 months ago

I can highly recommend opsholders. Very helpful, friendly and extremely fast shipping

Luigi De I.

4 months ago

Ordered a low value item from Italy.
I’ve rarely seen such an attention to detail in packaging and communication of order status progress. Small gifts included. Simply fantastic!
Kudos to the company, really awesome service!!

Quino C.

7 months ago

Im extemely happy with my purchase of the wheels. Shipped all the way from Lituania to Palma de Mallorca. Opsholders serius company nice high quality productos and comunicate very well. But the Best parte was the assistance from Kajus, Who made shure everything was perfecta, answered all my questions with patience, and cleary knows what hes doing, its greate to find profesionales like him, if i hace to buy more stuff, definitely buy from the again.

lambros K.

8 months ago

Great packaging, fast shipping, thanks a lot for the gifts! Totally recommend them!

Evangelos M. D.

ordered bolts and rings for my rims, and the experience was super convenient. They even contacted me through WhatsApp about my order, and when I realised I ordered wrong parts, they immediately responded through WhatsApp and changed my order! Fast delivery to Greece as well. Thank you Opsholders!

Geoffroy V.

10 months ago

The Opsholder team has consistently gone above and beyond expectations, delivering not only excellent performance but also a truly customer-focused approach. Their professionalism, attention to detail, and commitment to excellence have made a big difference.

A special word of recognition for Kajus, whose customer service has been nothing short of exceptional. His responsiveness, dedication, and willingness to go the extra mile really stand out and set a high standard for the entire team.

Highly recommend Opsholder for anyone looking for reliable, top-tier support and service. 👏👏

Prasert C.

I’m really impressed with this wheel spacer for my Toyota Harrier AVU65 (PCD 114.3 CB 60.1). It fits perfectly, exactly as described, and the build quality is excellent, the cuting surface was smooth with uniform anodize finishing. What impressed me even more was the quick and clear support I received from the manager — very professional and helpful. Overall, a great product with outstanding service. Highly recommended!

Tsun Kit W.

12 months ago

It was my first time shopping at opsholders. The customer service was very good and the follow-up was in place. In addition, the situation of out of stock was also explained clearly. The goods were also delivered to Hong Kong very quickly. This was a very good shopping experience for me.

Florin D.

1 year ago

I ordered a radar detector model Neoline Expert, I received the package quickly and very well packaged.
I'm going to install it on the car and see what it can do in traffic.
The Opsholders.com store is a trusted store, so I recommend everyone to order from them.

Phil M.

First time buying from OpsHolders and it wont be the last. Perfect customer service, speedy delivery and quality items. I only made a small purchase but with the level of care it tells me these guys care about every customer not just the ones spending big. Thank you.

Matas B.

Very fast delivery, the day after ordering they send a photo that the item has already been shipped.

Ap B.

Best company for all your cars part.

We order here complete akrapovic for the rs6 performance and carbon diffuser the update everything and transparant + good prices!!

Thanks for the service 5 ⭐️

TheBeastFeast

Unbelievably fast shipping time, responds to any questions in a timely manner, seriously one of the smoothest purchases I ever made. Great people over at opsholders made this possible for me. Don’t hesitate if you’re looking to get new suspension, this is the place to go. There is seriously no better deal. Many thanks from Canada

Shogun

It might be the Best online shopping experiance I ever had.

I was looking for GR Yaris exhaust made by akrapovic. I'm not doing purchases for such amount of cash every day so I took some time finding trustworthy store. In My country most of products are overpriced or sold by stores that seem a bit... Well, if you spend cash you don't want to wonder if the store is legit.

Opsholders I found through official Akra site. At first I was a bit suprised by very good price but if they are official distributors, who am I to argue? I've put product into virtual cart and written to them if they ship to Poland and for what price hoping that they will drop me a line soon. It was sunday evening? Something like that. And I've received immediate response. Like INSTANT. It was like someone was sitting On the other side with fingers on the keyboard and staring at the screen waiting for me to write. I haven't witnessed such Blitz in my life (and I know what I'm writting as a Pole) and the pipes were bought seconds later, order was prepared just after that.

The whole customer service is on the next level. I have a feeling like its 24/7 and they reach to you just to be certain that you are satisfied and not stressed at all. Damn, they even send mi pics of box when it arrived to them - and then how the box presents in Courier vagon as well. Really, best customer service I had.

Package arrived one day before it was supposed to. Everything pristine, well packed. I cant imagine asking for more. You guys are a Marvel and I hope you will be getting credit you deserve.

Love from Poland and till the next time!

Lou M.

Bought a dashcam and the service is just outstanding. Very friendly people. Excellent communication and fast and secure shipping.
Buy with absolute confidence. Highly recommended shop.
Thank you Opsholders for your perfect and friendly service !

James S.

Great service and fast shipping.

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