BMW 11B401 means high-pressure fuel is too low at or after engine start. Diagnosis follows low-side supply into the HPFP, then compares commanded and actual fuel rail pressure during cranking.
BMW 002F71 means the DME cannot activate the electronics-box cooling fan as expected. Diagnose fan response, supply, ground, wiring, and the DME control stage before replacing parts.
On the E90, showing a numeric speed in the instrument cluster is enabled with BC_DIGITAL_V in the KOMBI module. BC_DIGITAL_V_KORREKTUR then chooses between true speed and indicated speed.
On the E90, tyre pressure monitoring is disabled by adding $2VB to the vehicle order and recoding the affected modules. The procedure resets your existing codings.
On the E90, showing the speed the cruise control is set to is achieved by changing TEMPOMAT_SETZ_ANZ_DAUER in the KOMBI module from wert_01 to wert_02.
On the E90, SPIEGEL_ELEKTROCHROM is the parameter that switches electrochromic mirror dimming on or off. Depending on the model year it lives in the CAS or the FRM module.
On the E90, triggering the panic alarm by holding the fob trunk button for five seconds is enabled through SONDERTASTE_PANIKALARM in the CAS module. Factory alarm hardware is required.
After a memory seat retrofit on the E90, showing the memory options in the cluster needs three SITZ_AUT_VERST parameters in KOMBI plus option $459 added to CAS and FRM.
On manual-gearbox E90s, the gear change suggestion in the cluster is enabled through SP_ANZEIGE, SCHALT_PKT_BC and SCHALT_PKT_DAUERHAFT in the KOMBI module.
On the E90 the unbelted chime is governed by SBR_FAHRER_1 and the SBR_BEIFAHRER parameters in the ABG module. The change touches a type-approved safety system.
On the E90, keeping the instrument cluster backlight lit regardless of the headlights is done with M_TAG_SKALENBELEUCHTUNG in the KOMBI module.
On the E90, being able to adjust automatic headlight sensor sensitivity from the cluster requires all three of LICHT_AUT_WERT_1, _2 and _3 in the KOMBI module to be aktiv.