M Coupe / M Roadster 98-00 | ID1050-XDS | Injector Dynamics | 1050.60.14.14.6
ID1050-XDS, for BMW M Coupe & M Roadster, 14mm (purple) adapters, set of 6.
The ID1050-XDS is the evolution of the ID1050x.
The ID1050-XDS benefits from Dual Slope Matching, a method of matching the flow rate in both the linear, and nonlinear operating range, providing better cylinder to cylinder consistency at low pulse widths.
Corrosion resistant internals make it compatible with all known fuels, capable of extended service life with corrosive fuels.
Compact body allows fitment in 200+ applications, including current and future engines utilizing short body injectors.
Stronger magnetic circuit offers stable operation up to 10 bar.
Replaceable inlet filter extends service life.
Base Specifications
Nominal Flow Rate – 1065cc/min @ 3.0 Bar (43.5 psi) Using Gasoline at 52 Degrees C (125 Degrees F)
Maximum Differential Fuel Pressure – 10.0 Bar (145.0 psi)
Fuel Compatibility – Compatible With All Known Fuels
Electrical Connector – USCAR
Details
Frequently Asked Questions About the M Coupe / M Roadster 98-00 ID1050-XDS Injectors
What maximum horsepower will the ID1050-XDS support on a 1998–2000 M Coupe or M Roadster running E85?
The ID1050-XDS flows about 1065 cc/min (around 101 lb/hr) at 43.5 psi, giving a set of six injectors enough capacity to support roughly 500–600+ wheel horsepower on E85. Actual horsepower capability depends on turbo sizing, fuel pressure, intercooling efficiency, and your engine’s specific volumetric efficiency.
Is the 1050.60.14.14.6 injector a true drop-in fit for the M Coupe and M Roadster fuel rail?
Yes. This injector uses the 60mm body length with standard 14mm upper and lower O-rings, which matches the stock injector size for the S52B32 engine. It installs directly into the OEM fuel rail and intake manifold without spacers or custom adapters.
Do the ID1050-XDS injectors plug directly into the factory BMW wiring harness?
Yes. The ID1050-XDS for this application uses the appropriate EV6/USCAR electrical connector. Most 1998–2000 M Coupe and M Roadster models use this connector style, allowing direct plug-in installation. If your car has the earlier EV1 connector, simple plug-and-play adapters may be required.
Where can my tuner find official Injector Dynamics data for the S52 engine calibration?
Injector Dynamics provides full calibration data including Dead Time, Offset, Short Pulse Adder, and Flow vs. Pressure tables. These files are available directly from the Injector Dynamics website and import cleanly into tuning software such as HP Tuners, SCT, or standalone ECUs used on modified S52 builds.
How does the ID1050-XDS maintain smooth idle and drivability on the S52 engine despite its high flow rate?
The ID1050-XDS uses Injector Dynamics’ precision Dual Slope Matching technology, which ensures extremely accurate fuel delivery at low pulse widths. This keeps idle quality stable, prevents overly rich low-load operation, and allows the S52 to maintain OEM-like drivability even with significant performance modifications.
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