APR Multi-Port Injection (MPI) System (EA888 Gen 3 & Gen 4)

Mfg Part #

MS100229

NP#

APRMS100229

Brand

Fits 2015 to 2025 Audi A3, A3 Quattro, Q3 and 3 more models, and 1 more make. See every vehicle

• Motorsport-grade Bosch EV14 injectors deliver the fuel capacity real Stage 3+ power demands, 980cc/min each in a four-injector set (0280 158 040)
• E85 and M100 compatible for maximum power potential on high-octane and flex-fuel builds
• Supports up to 8 bar of fuel pressure for aggressive motorsport-level tunes
• Plug-and-play APR Bosch Jetronic-to-OEM harness, no splicing, no guesswork
• OEM-style fuel rail, rail sensor, and mounting hardware included for a clean, factory-fit install
• APR fuel distribution block included, everything needed to feed all four injectors from stock fuel lines
• 30° single cone spray angle, 0° bent/gamma angle, 24mm extended-tip nozzle, and 33.6mm compact body for precise atomization in tight quarters
• Top-feed design with 12 ohm coil resistance for reliable, OEM-level electrical compatibility
• Requires matching APR Stage 3+ ECU software to operate, the fueling backbone behind every Stage 3+ Golf R, S3, and TT/TTS build