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Swapped a KLG4 Intake Manifold onto my DE because of the better airflow characteristics , and better low end torque
Installed by:Pro Installer
I had the 3 stage intake manifold swap performed on my 528i. A software upgrade will follow in the future.
Extruded & Ported
RRC intake mani
Fairly easy install. Brake booster line was troublesome. Also installed a new oil pressure sending unit while the IM was out.
TGV deletes are a perfect and almost necessary upgrade. They clear out the valves inside the housing of the intake risers that restrict airflow.
*You will need to flash CEL (MIL) off*
OE BMW M50 Intake Manifold.
Stock manifold off of an OBD I BMW. Increases airflow at higher RPM due to larger intake plenums, at the sacrifice of some midrange torque (which is regained with the intake/HFM/injectors/software upgrade)