Cedar PerformanceECU / DME tuning
Blue F30 BMW 335i and 340i sedan on wet asphalt beside an industrial wall

F30/F31/F34 / B58

BMW 340i Tune

BMW 340i ECU tunes covering 2017-2019 for F30/F31/F34 B58. Compare Cedar Performance stage pricing and published power targets.

Model years2017-2019
EngineB58
PlatformF30/F31/F34
Listed pricing$500

Tune catalog

Choose your BMW 340i

Open the exact vehicle page to compare its stages, published targets, and order path.

Calibration coverage

BMW 340i tuning details

Available stagesStage 1 / Stage 2 / Stage 3 / Stage 4

4 vehicle listings across 2017-2019.

Published outputWHP / WTQ

4 listings use Cedar Dynojet WHP / WTQ benchmarks where evidence is available.

Setup review4 listings

Custom Dyno / Stage 3 / Stage 3 Flex Fuel are routed to setup review for fuel, turbo, fueling, cooling, and log requirements.