1.9L TDI Intake Manifold Flow Testing Results and BRM Adapters Available

We flow-tested four popular stock VW 1.9L TDI intake manifolds in a SuperFlow SF-600, using 28 in/hg of water. All manifolds were attached to a stock 130HP 1.9L PD TDI cylinder head during testing. All ports were clean (no black soot).

VW 1.9L TDI intake manifold mounted to a SuperFlow SF-600 flow bench Close-up of a 1.9L TDI intake manifold on the SuperFlow SF-600 flow bench

Labeled comparison of the four VW 1.9L TDI intake manifolds that were flow tested

Flow Results



Hover your mouse cursor on any data point in the chart to reveal more detail. You can click the "ALH," "BEW," "BRM," or "PD150" labels to hide lines. You can also open the full interactive intake manifold chart on its own page. The "BRM" engine code is found in all North American 2005.5-2006 Jetta TDI sedan (not wagon).

If you want to install a BRM intake manifold in a 1.9L ALH, 1.9L BEW or similar with ease...

... then we have BRM intake manifold adapters available in our store!

Malone Tuning BRM intake manifold adapter