RaceChip S Tuning Box for BMW 3 Series E90 E91 E92 E93 (2004-2011) – Plug & Play Power Module Piggyback ECU | Chip Tuning Remap Alternative | +20% Power & Torque | Power Box for Saloon Touring Coupe Convertible

BMW 3 Series E90 E91 E92 E93 Performance Upgrade 2004-2011 - Plug-in Power Module

Turn everyday driving into something special. This German-engineered plug-in performance module delivers a noticeable bump in usable power and torque across the rev range, tailored specifically for the BMW 3 Series saloon, touring, coupé and convertible from 2004 to 2011. It is a fast, reversible alternative to a traditional ECU remap and the ideal choice for drivers who want extra bhp, stronger mid-range pull and smoother drivability without permanent modifications.

Why owners choose this power module

• Up to 20 percent more power and torque for confident overtakes and effortless hills
• Up to 10 percent fuel saving potential with earlier upshifts and lower rpm cruising
• Five selectable maps via an easy rotary dial to fine tune the character to your preference
• Vehicle-specific calibration for 3 Series E90 E91 E92 E93 engines
• Quick, plug-in installation in around 10 minutes with OEM-style connectors
• High quality components engineered and built in Germany
• Engine Protect System for added peace of mind

What you will feel

• Sharper throttle response and stronger in-gear acceleration
• More flexible torque for relaxed day-to-day driving and motorway cruising
• Optimised efficiency when driving sensibly, helping reduce fuel consumption

Tech at a glance

• Processor: ARM Cortex-M3
• Control: up to three analogue and digital channels
• Electronics: nano-protect coated board for durability
• Connector: automotive-grade safety plug
• Housing: ultra-resistant composite case
• Dimensions: 87 x 95 x 36 mm

In the box

• Performance control unit
• Vehicle-specific wiring harness
• Installation instructions
• 4 x cable ties

Installation and fitting support

Simple plug-in fitment with no cutting or coding required. Prefer professional installation or a health check on your BMW before fitting? Book in with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote.

Real-world results

We run this unit on customer cars and our own vehicles, and the feedback is consistently positive: stronger pull through the mid-range, smoother delivery, and an overall more responsive drive. It is a smart, reversible upgrade that pairs brilliantly with a well-maintained 3 Series.

Compatibility keywords for search

BMW 3 Series tuning module, E90 performance upgrade, E91 touring power box, E92 coupé tuning kit, E93 convertible piggyback ECU, BMW chip tuning, plug and play ECU module, torque booster, bhp increase, engine tuner for BMW 2004-2011.

Note: Performance and economy improvements are vehicle-dependent. This module is supplied with engine-specific mapping and five user-selectable settings to tailor the response to your preference.