Stage 2+ Injector Kit for M840T (Includes ID1050-XDS Injectors & Harness)

Already have M-Tuner but want to step up to Stage 2+?
This kit includes everything you need to get there — injectors and plug-and-play harness — without cutting or repinning your factory wiring.

Why This Kit?

• No cutting, no splicing: Aftermarket harness eliminates the need to modify your OEM engine harness.

• Race Spec Harness: Built exclusively for M-Engineering, 100% Plug and Play.

• Best Injectors Available: Includes Injector Dynamics ID1050-XDS — the most documented and proven injector option for McLaren platforms.

• Complete Set of 16 Injectors: Replaces all factory injectors on the M840T.

• Direct Upgrade for Stage 2+: The same injector setup used in all M-Engineering staged power packages.

ID1050-XDS Key Benefits

• Dual Slope Matching: Provides consistent fueling across linear and nonlinear ranges.

• Cylinder-to-Cylinder Consistency: Better idle and low pulse width performance.

• Corrosion-Resistant Internals: Safe for all known fuels, including corrosive types.

• High Pressure Stability: Stronger magnetic circuit ensures reliable operation up to 10 bar.

• Replaceable Inlet Filter: Extends service life.

Specifications

• Flow Rate: 1065 cc/min @ 3.0 Bar (43.5 psi) using gasoline at 52°C (125°F)

• Max Differential Pressure: 10.0 Bar (145 psi)

• Fuel Compatibility: Works with all known fuels

Requirements

⚠️ Aftermarket high-flow downpipes are required for Stage 2+ (not included).

Return Policy

• All sales are final and non-refundable.

• Calibrations and injectors are matched to individual vehicles.

• M-Engineering is not liable for misuse, installation errors, or mechanical issues.

• Customers are responsible for proper installation, maintenance, and ensuring vehicles are up to date with manufacturer service bulletins.

• Remote diagnostic support is available to assist with troubleshooting.