RaceChip S Plug & Play Plug-In Tuning Box for BMW Z4 E89 (2009-on) | Piggyback ECU Chip Tuning Module | Stage 1 Remap Alternative | Power & Torque Upgrade | German Made

Plug-in performance upgrade for BMW Z4 E89 2009 onwards

Unlock stronger acceleration, smoother mid-range pull and improved efficiency with this German-built plug-in power module for your BMW roadster. Designed specifically for the E89 platform, it delivers noticeable gains without permanent changes to the factory ECU. We have installed this unit on our own cars and for customers, and the feedback has been consistently positive for drivability, response and value.

• Up to 20 percent increase in power and torque for stronger real-world pace
• Up to 10 percent improvement in fuel economy when driven sensibly
• Five selectable maps via an easy rotary dial to tailor the feel to your preferences
• Quick plug-in installation in around 10 minutes with clear instructions
• Vehicle-specific calibration developed for BMW applications
• German engineering and components for reliability and longevity
• Automotive-grade safety connector for secure, factory-style fitment
• Engine Protect System for added peace of mind

Why this piggyback ECU upgrade is a smart choice

This plug-and-play tuning module optimises sensor signals to enhance performance within the safe operating window of your engine. Expect punchier throttle response, stronger overtakes and the ability to shift earlier thanks to the extra torque. Many owners also see economy gains in everyday driving due to increased efficiency in the key rev range.

Software and calibration

• Engine-specific optimisation software: v2.0_S
• Five fine-tuning maps selectable via external dial
• Engine Protect System monitors and safeguards critical parameters

Hardware highlights

• ARM Cortex M3 processor for fast, precise signal processing
• Up to three analogue and digital channels
• Nano-protect coated electronics for durability
• FCI automotive safety connector for OE-quality connection
• Ultra-resistant plastic housing and basic fastening system
• Compact size: 87 x 95 x 36 mm

Installation and support

Fitting is straightforward with a simple loom and clear step-by-step guide. Prefer professional installation. Book with MJ Modifications in Warwickshire for a seamless service and setup. Email info@mjmodifications.co.uk for a fitting quote.

Compatibility

Suitable for BMW Z4 E89 models from 2009 onwards. This plug-in tuning solution is an excellent remap alternative, offering reversible performance, no coding and quick removal for servicing if desired.

In the box

• Performance module
• Vehicle-specific cable set
• Four cable ties
• Installation instructions

Real-world feedback

Our team and customers rate this upgrade for the way it transforms in-gear acceleration and drivability while remaining refined for daily use. If you want an easy BMW Z4 tuning solution that is reversible, efficient and built in Germany, this plug-in ECU box is the ideal choice.

Search-friendly terms customers use

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