Downpipe BMW F20 F21 135i 135ix M N55 (fits EURO 5 version)
- Downpipe BMW F20, F21 N55
- 135i, 135ix M
- 2011 – 2014
- 320 HP
- Pipe diameter – 76 mm
- Flange diameter at turbo connection – 105 mm
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Downpipe BMW F20 F21 135i 135ix M N55 – Optimized Exhaust System for the 1 Series with N55 Engine
Designed for EURO 5 Emissions Standard
This custom downpipe for BMW F20 and F21 135i / 135ix M with the N55 engine is engineered to perfectly match vehicles originally equipped with a EURO 5-compliant catalytic converter. Improved exhaust flow directly enhances throttle response and overall engine efficiency.
Technical Compatibility – Fully Prepared for Lambda Sensors
The construction includes:
- Two mounting ports for lambda sensors – ensuring seamless integration with the factory emissions system.
Note: Vehicles equipped with a EURO 6 exhaust system require a different downpipe version with a 118 mm turbo flange – catalog number: 111115.
Precision Build – Stainless Steel + CNC Technology
The downpipe is made from acid-resistant stainless steel, offering exceptional durability against heat and corrosion. With advanced CNC machining, every part fits with high precision, ensuring full compatibility with the original BMW 1 Series N55 exhaust system.
OEM Cross-Reference Numbers
This downpipe can replace the following OEM BMW parts:
- 18328603875
- 18327628772
- 18327602269
Key Advantages of This Downpipe
- Improved exhaust flow = enhanced power and throttle response
- Fits 135i and 135ix M models with N55 engine
- Pre-configured for OEM lambda sensors
- High material resistance and precision craftsmanship
If you're looking for performance and reliability – this downpipe for BMW F20 F21 135i 135ix M N55 is the perfect choice.
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.