View Single Post
      10-26-2020, 03:48 PM   #2
Enabled
Lieutenant Colonel
1407
Rep
1,800
Posts

Drives: 328xd Wagon, M2 Competition
Join Date: Jun 2018
Location: Houston

iTrader: (0)

The pressure regulation valve on the rail sometimes causes this problem.

I would look at the metering unit on HPFP (if it's second hand) or the rail control valve.


A very poor remap can do that as well.
__________________
-2014 328d Wagon, 8HP. Self-tuned, 270hp/430ft-lbs.
-2019 M2 Competition MT, Alpine White. Self-tuned 560hp
-2016 Mini Cooper S, MT. Many plans.
Others:
-E36 328is. 2000 Z3 Roady. 2003 VW Jetta TDI Manual. Estoril Z3M Coupe.
Appreciate 0