B58 High Flow Replacement Intake Air Filter | BMW X3 M40i / X4 M40i BMW-328i-xDrive-2015

B58 High Flow Replacement Intake Air Filter | BMW X3 M40i / X4 M40i BMW-328i-xDrive-2015CarBahn high flow replacement air filter for your OEM airbox. With less restriction and similar cleaning characteristics, this filter will increase the breathability of your high performance engine. More airflow = less restriction.

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Tuned: 538 HP & 515 lbft TQ

Delta FW HP & TQ: 156 Flywheel HP & 125 lb-ft Flywheel torque

damage to a component or assembly due to the installation of replacement parts with specifications that differ in any material respect from the original vehicle manufacturer’s or CarBahn Autoworks parts

Catalyst removal often via downpipes can create compliance issues and may not deliver the dramatic gains commonly claimed

CarBahn CSF larger dual intercoolers is a very efficient heat exchanging that will allow you to run more boost and extract more power

CarBahn delivers premium upgrades that merge racing pedigree with everyday reliability

and catalyst thermal protection are carefully tuned within your OEM software to mitigate the risk of engine and catalyst failure

Engines with CarBahn Software Tunes

Maintain rear alignment under acceleration and braking

damage resulting from the unauthorized modification of a CarBahn part or assembly