RaceChip GTS Black Bluetooth App Tuning Box – BMW 1 Series E81 E82 E87 E88 2003–2013 – Plug & Play ECU Power Module | Chip Tuning Piggyback Remap Alternative – Turbo Petrol & Diesel (118d 120d 135i)

BMW 1 Series E81 E82 E87 E88 2003-2013 Performance Power Module with App Control

Unlock serious bhp and torque in minutes with the RaceChip GTS Black with smartphone connectivity. This premium plug-in ECU upgrade for the BMW 1 Series delivers stronger midrange pull, faster throttle response and smoother acceleration, while keeping factory safeguards in place. Ideal for selected turbo petrol and diesel variants across the E81 E82 E87 E88 range from 2003 to 2013.

• Up to 30 percent more power and torque within the engine’s safe reserves
• Potential fuel saving up to 1 litre per 60 miles depending on driving style and conditions
• Fully reversible plug-in solution with OEM-style connectors
• App-enabled control via Bluetooth for on-the-go adjustments
• No ECU opening, no permanent software flash, remap alternative

Why enthusiasts choose this upgrade

Engine-specific calibration provides confident gains without compromising reliability. Seven selectable mappings let you tailor the drive for daily commuting or spirited runs, while built-in protection features keep everything operating as intended. Our team at MJ Modifications has fitted and used this module on customer vehicles and the feedback has been outstanding for drivability, punchy acceleration and overall refinement.

Smartphone control

Pair your phone over Bluetooth to manage settings from the RaceChip app on iOS or Android. Switch between fine-tuned maps to suit road conditions and fuel quality, and enjoy instant control without tools.

Safety-first engineering

• Engine Protect System + keeps OEM safety routines intact
• Warm-up timer ensures performance is only added once the engine is up to temperature
• Data-driven optimisation reads and refines signals in real time

Software highlights

• Motor-specific software: v2.0_GTSBlack
• 7 fine tuning mappings
• Engine Protect System +
• Warm-up timer

Hardware highlights

• ARM Cortex-M3 processor
• Up to 7 analogue and digital channels
• Chip electronics with Nano-Protect
• Pro-grade connector FCI
• Ultra-resistant composite housing
• Pro fixing system
• Dimensions mm: L 112 x W 111 x H 36

Installation and support

Simple plug-in fitment typically takes 10 to 15 minutes using the supplied automotive connectors. The upgrade is fully reversible. Prefer professional fitting or setup help? Book with MJ Modifications in Warwickshire and request a quote at info@mjmodifications.co.uk.

Warranty cover

• 5-year product warranty
• 2-year engine warranty up to £8,000
  • Warranty period 2 years
  • Indemnity £8,000 covering major engine components
  • Max. reading 60,000 miles
  • Max. vehicle age 5 years
  • Applies even if the manufacturer’s warranty has expired

Compatibility notes

Designed for selected BMW 1 Series models within the E81 E82 E87 E88 generation from 2003 to 2013. Suitable for applicable engines only. Please confirm compatibility for your specific vehicle before ordering.

Search terms customers use: BMW 1 Series power box, ECU tuning box for BMW, piggyback ECU, plug and play tuner, app controlled chip tuning, remap alternative, BMW E81 E82 E87 E88 performance upgrade, GTS Black app control, bhp and torque gains, improved mpg. Examples within the range include popular variants such as 118d, 120d and 135i subject to engine compatibility.

Important: Performance and economy improvements are estimates and will vary with engine condition, fuel quality and driving style.