BRM TDI INTAKE MANIFOLD 03G129713K

intake manifold

Volkswagen Jetta 1.9L TDI-PD DIESEL A/T TDI Sedan
2006
Volkswagen Jetta 1.9L TDI-PD DIESEL M/T TDI Sedan
2006

MK5 generation

BRM engine code

Engine Code: BRM

Compare at $ 443.00 CAD at your local dealer new.

The BRM TDI Intake Manifold (part number 03G129713K) is an aluminum intake manifold found on Volkswagen vehicles equipped with the 1.9L BRM TDI engine, specifically in 2005.5–2006 Volkswagen Jetta TDI models for the North American market.

Key Features & Design:
Material:

Made of cast aluminum, which provides durability and resistance to heat and pressure. Unlike plastic intake manifolds found on some newer models, the BRM's aluminum design helps prevent warping and cracking.
EGR (Exhaust Gas Recirculation) Integration:

This manifold is designed to work with the vehicle’s EGR system, recirculating a portion of exhaust gases into the intake to reduce NOx emissions. Over time, carbon buildup is common due to soot and oil vapor mixing within the intake.
Swirl Port Design:

The intake runners have a specific design to optimize airflow and combustion efficiency, contributing to fuel economy and emissions compliance.
Throttle Plate Housing:

The BRM intake manifold includes a throttle plate housing, which controls airflow and works in conjunction with the EGR system.
Mounting & Fitment:

Direct bolt-on fit for BRM 1.9L TDI engines, connecting to the cylinder head and working with the factory EGR valve and anti-shudder valve (ASV).
Common Issues & Maintenance:
Carbon Build-up:

Due to EGR system operation, intake ports and runners often become clogged with carbon deposits, restricting airflow. This is a common issue with BRM TDI engines.
Cleaning the intake manifold every 80,000–120,000 miles is recommended, especially if there’s noticeable power loss, poor fuel economy, or excessive smoke.
Vacuum Leaks & Gasket Failure:

The intake manifold gasket should be replaced when reinstalling to prevent leaks.
If vacuum leaks occur, they may cause boost loss or incorrect air-fuel ratios, affecting engine performance.
EGR Delete (For Off-Road Use Only):

Some enthusiasts choose to delete the EGR system for improved airflow and to prevent carbon buildup. However, this is not emissions-compliant in most regions.
Fitment & Compatibility:
Engine: 1.9L BRM TDI (Turbocharged Direct Injection Diesel)
Vehicles:
2005.5 – 2006 Volkswagen Jetta TDI (BRM)
OEM Part Number: 03G129713K
Alternate Part Numbers: Sometimes cross-referenced with other part numbers, but this is the correct OEM fitment.

The BRM TDI Intake Manifold (03G129713K) is a critical component in the air intake system of the 1.9L BRM engine. While durable, it is prone to carbon buildup, requiring periodic cleaning for optimal performance. If replacing, ensure it is installed with new gaskets and cleaned to prevent future issues.