Downpipe BMW E46 318d 320d M47 M47N 1998-2005 116-150 HP
- Downpipe BMW E46 M47, M47N
- 318d, 320d
- 1998 - 2005
- 116, 136, 150 HP
- Pipe diameter – 63.5 mm
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Downpipe BMW E46 318d 320d M47 M47N 1998–2005 116–150 HP – boost your diesel performance
Sport downpipe for BMW 3 Series E46 – M47 and M47N engines, 318d / 320d, 116–150 HP
High-flow downpipe for BMW E46 318d and 320d, compatible with M47 and M47N engines delivering 116 HP, 136 HP, and 150 HP. It improves exhaust system efficiency, throttle response, and enhances the sound of the diesel engine. Designed for both mechanical and electronic tuning, including chip tuning and performance exhaust upgrades.
63.5 mm downpipe – maximum exhaust flow for M47 / M47N engines
With a 63.5 mm pipe diameter, this downpipe significantly reduces exhaust backpressure. This leads to better driving dynamics, faster acceleration, and increased power potential after tuning. It also enhances the sound of the diesel unit – deeper and more aggressive.
High quality – INOX stainless steel and CNC precision manufacturing
Made entirely from stainless steel (INOX), resistant to extreme temperatures and road conditions. All parts are precisely shaped using CNC machining and welded with TIG technology for maximum durability and tightness.
Easy installation – Plug & Play downpipe
The downpipe includes a lambda sensor port and a plug if you choose not to use the sensor. It’s a plug & play installation – no cutting, welding, or modifications required.
Fits the following BMW E46 Diesel models
- BMW 318d – 116 HP (M47)
- BMW 320d – 136 HP / 150 HP (M47 / M47N)
- Production years: 1998–2005
- Engine: Diesel, 4-cylinder
Technical specifications – Downpipe BMW 318d / 320d 1998–2005
- Main pipe diameter: 63.5 mm
- Number of lambda sensor ports: 1 (plug included)
- Material: stainless steel / INOX
- Manufacturing: CNC + TIG weld
- Mounting type: Plug & Play
OEM reference numbers (BMW part numbers)
- 18317786347
- 18312247656
- 18307792160
- 18307787586
- 18307786714
- 18307790298
- 18304710746
Why choose this downpipe for your BMW E46?
A reliable and proven BMW E46 Diesel tuning component. Improved exhaust flow, better performance, and resistance to extreme engine conditions make it a valuable upgrade that enhances the driving experience. Recommended for both daily drivers and performance-oriented builds.
Type of warranty: manufacturer's warranty.
Warranty period: 24 months.
The manufacturer's warranty means that in the event of a defect or malfunction, the product will be repaired or replaced by an authorized service center. In most cases, proof of purchase (receipt or invoice) is required.
To submit a warranty claim, please contact our store via the warranty claim form. The product must be sent back to us at your own expense. If the claim is approved, we will refund the shipping costs upon presentation of proof of payment.
If you have any questions regarding the warranty conditions or the status of your claim, please contact our customer service department.