RaceChip RS + App Bluetooth Tuning Box for BMW Z4 Roadster (G29) 2018-on | Plug & Play Piggyback ECU Performance Chip, Smartphone-Controlled Power Module, Remap Alternative, Throttle Response & Torque Upgrade

Unlock your BMW Z4 G29 with a plug and play performance module you can control from your phone. The RaceChip RS with Bluetooth app control is a premium piggyback ECU upgrade for the 2018-on Z4, delivering sharper acceleration, stronger mid‑range pull and a smoother, more responsive drive. Engine‑specific calibration, high‑grade electronics and outstanding build quality make it the smart remap alternative for drivers who want power and refinement without permanently flashing the ECU.

Why owners choose this RS Bluetooth power module

• Wireless control via iOS and Android app for on‑the‑go adjustments
• Six user‑selectable maps to tailor response and output to your preferences
• Vehicle‑specific software for the BMW Z4 G29 2018‑on platform
• Quick, plug‑in install in around 10 minutes with clear instructions
• Automotive‑grade safety connector and robust, German‑engineered hardware
• Potential fuel saving of up to 15 percent with a measured driving style

This plug‑in performance chip is designed for enthusiasts who want more real‑world pace and flexibility: punchier overtakes, improved throttle response and effortless cruising, all managed from a clean, intuitive smartphone interface. No ECU flash needed, fully reversible and set up specifically for your engine.

Key details at a glance

• App‑controlled power module for BMW Z4 G29 2018‑present
• Engine‑matched mapping preloaded, plus six fine‑tuning stages
• Premium wiring loom with professional safety plug
• Made in Germany with high quality components
• Installation guide included for straightforward DIY fitting

We run this module on our own cars and our customers love the transformation. It is a simple, effective way to add punch to your BMW roadster while keeping drivability and refinement intact.

Fitting and support

Prefer professional installation or a supply and fit package For expert fitting, contact MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

What you receive

• RaceChip RS Bluetooth performance module
• Vehicle‑specific harness with safety connector
• Setup and installation instructions

Search terms our customers use: BMW Z4 G29 performance upgrade, plug and play ECU module, BMW roadster chip tuning, piggyback ECU for Z4, smartphone controlled tuning, Bluetooth power module, remap alternative BMW, throttle response upgrade, torque booster, 2018‑on BMW Z4 engine upgrade, German engineered tuning, fuel saving performance chip.