BMW E90 320D 4D4A Fault – DPF

Today we visited a customer in Saxmundham, Suffolk who had some DPF problems. The BMW DPf system holds on to 4D4A fault code even after deleting the code, The customer had used a number of OBD faut code readers to delete the code but it kept coming straight back.

BMW ISTA + is the only real solution to remove th 4D4A fault code, the code needs to be cleared from the internal fault memory with the DPF filter adaptations reset so as to start a fresh.

If you need BMW specialist diagnostics in Suffolk, Essex or Norfolk we are fully equipped with BMW ISTA+ and BMW INST P.