RM Motors Downpipe BMW G20, G21 M340i B58 112127
Upgrade your BMW exhaust flow and performance with the RM Motors Downpipe BMW G20, G21 M340i B58 112127. 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 BMW G20, G21 M340i B58
- 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 G20, G21
- Engine: M340i B58
- Category: Downpipe
- Product Code: 112127
Information about RM Motors Downpipe BMW G20, G21 M340i B58
The downpipe has the following connections:
– two lambda probe sockets
– pressure sensor hose tube
– reinforced fastening to stiffen the structure
Downpipe entirely made of stainless steel (T304, X5CrNi18-10, 1.4301, AISI 304, 0H18N9). Each element of the product is made in CNC technology. The product has a 24-month manufacturer’s warranty.
OE Number:
- 18329897313
- 18329897314
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.
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