RM Motors Downpipe BMW Z4 G29 M40i B58 +CATALYST HJS 200 cpsi OBD 112127C/OBD
Upgrade your BMW exhaust flow and performance with the RM Motors Downpipe BMW Z4 G29 M40i B58 +CATALYST HJS 200 cpsi OBD 112127C/OBD. 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 Z4 G29 M40i B58 +CATALYST HJS 200 cpsi OBD
- 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 Z4 G29
- Engine: M40i B58
- Category: Downpipe
- Product Code: 112127C/OBD
Information about RM Motors Downpipe BMW Z4 G29 M40i B58 +CATALYST HJS 200 cpsi OBD
Downpipe BMW Z4 G29 M40i B58 + CATALYST
Downpipe BMW Z4 G29 has a sports catalytic converter HJS 200 cpsi with the number 90603494 meeting the exhaust emission standard for the purposes of the OBD function. Each element of the downpipe BMW Z4 G29 M40i B58 was made using CNC technology.
Check also other downpipes from our offer.
BMW Z4 G29 M40i downpipe has the following connections:
- Two sockets for the lambda probe M18x1.5 mm
- before and after the catalytic converter Tube for pressure sensor hose
- Reinforced mounting bracket for reinforcement Downpipe BMW Z4 G29
OE numbers:
- 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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