ZF ALx51: ZF control unit. Stage 1 for power, removing the gearbox Nm limit and DTC Off, rollback to the factory calibration, oil-pump tuning — Autotuner, KESS3 (OBD), KTAG (bench), Trasdata. In the database — 48 modifications on Audi, Aston Martin, Bentley and 3 more brands.
The ZF ALx51 is used across 6 brands: Audi (43), Aston Martin (1), Bentley (1), Porsche (1), Seat (1). 48 engines in total in the database.
The ZF ALx51 ECU supports: CHECK STOCK OR NOT, STAGE 1, DTC OFF, OIL PRESSURE OPTIMIZATIONS, TORQUE UNLOCK, RESET TO STOCK. Checksums are recalculated on the engineer's side in WinOLS5.
The ZF ALx51 is supported by: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the diesel ZF ALx51 reprograms rail pressure target, SOI/EOI timing, boost target, smoke limiter and torque limiter. The torque gain is noticeable; the HP gain depends on the specific engine.
ZF ALx51 calibration requires a full read of the unit — bin/hex/ori. Programmers: Autotuner, MPPS, MagicMotorSport, KT200, FoxFlash. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a ZF ALx51 file at CHIPOK — 5-30 minutes.
The price of ZF ALx51 calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).