BMW fault code 2725
Engine electronics
In the engine electronics, code 2725 means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.
CDKLATP2 - Oxygen sensor aging period duration Bank2
Module versions: Engine electronics (ME9E65_6), Engine electronics (ME9K_NG4), Engine electronics (MEV9N46)
Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
DME: Oxygen sensor, signal before cat., bank 2
Module versions: Engine electronics (MS_S65_2), Engine electronics (MS_S65_3), Engine electronics (MSS60)
Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
Control unit fault: Analog/digital converter
Module version: Engine electronics (EDME82)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
DME: Oxygen-sensor aging, period duration, bank 2
Module version: Engine electronics (ME9N62)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
DME: Oxygen-sensor aging, bank 2: period
Module version: Engine electronics (MS450DS0)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
DME: Oxygen sensor before catalytic converter, bank 2, signal
Module version: Engine electronics (MS_S65)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
Reading and clearing it
Fault code 2725 is a BMW code, stored in the car's engine electronics, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.
The engine electronics is on: 3 Series (E46), Z8 (E52), X5 (E53), 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72), 1 Series (E81), 1 Series (E82), X3 (E83), X1 (E84), Z4 (E85), Z4 (E86), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
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