BMS Stage 1 BMW Performance Tuner - S55 M3/M4

This plug and play BMW tuner attaches to two easy to access sensors in the engine bay and works with your factory DME tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance! Installation is very discrete and it is quickly removed without a trace when needed. Fuel economy during normal driving is unchanged. Compatible with all driving modes. Stage 1 BMW Tuner Features & Benefits Improves 0-60 times and 1/4 mile times Quick Plug & Play Installation Runs as smoothly as stock, this is how your vehicle should have come from the factory Compatible with all driving modes Fuel economy unchanged during normal driving Not VIN locked and can be removed without a trace and resold down the road Made in the USA
T#: 402626 | Part#: S1-S55
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399.00 $399.00
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on Jul 14, 2025
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BMS Stage 1 BMW Performance Tuner - S55 M3/M4
$399.00