Every control module on the 2025 BMW iX2 M35i xDrive — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Electronic Transmission Control (EGS) 4.5 hr R&R security gateway +1.0 hr ▸ programming details
📍 Transmission housing, integrated with valve body
🔧 BMW ISTA + ICOM Next
⚠️ Requires transmission oil service; adaptation drive cycle required after coding
Electric Power Steering (EPS) 3.2 hr R&R security gateway +0.8 hr ▸ programming details
📍 Steering column, integrated with steering rack assembly
🔧 BMW ISTA + ICOM Next
⚠️ Steering angle sensor calibration and wheel alignment required after replacement
Integrated Heating/Air Conditioning (IHKA) 2.5 hr R&R security gateway +0.5 hr ▸ programming details
📍 Behind center dashboard, above center console
🔧 BMW ISTA + ICOM Next
⚠️ Refrigerant recovery/recharge may be required; flap calibration after coding
Transfer Case Control (VTG) 2.5 hr R&R security gateway +0.5 hr ▸ programming details
📍 On transfer case assembly, under vehicle center
🔧 BMW ISTA + ICOM Next
⚠️ xDrive system; transfer case oil service recommended during replacement
Head Unit iDrive 9 (HU-EVO) 1.8 hr R&R security gateway +1.0 hr ▸ programming details
📍 Behind center display screen in dashboard
🔧 BMW ISTA + ICOM Next
⚠️ Navigation data transfer required; Apple CarPlay/Android Auto activation may need separate coding
Dynamic Stability Control (DSC) 1.8 hr R&R security gateway +0.8 hr ▸ programming details
📍 Engine compartment, left front corner near fender
🔧 BMW ISTA + ICOM Next
⚠️ Brake bleeding required after replacement; steering angle sensor calibration required
Front Electronic Module (FEM) 1.5 hr R&R security gateway +1.2 hr ▸ programming details
📍 Behind glove box, right side footwell area
🔧 BMW ISTA + ICOM Next
⚠️ Central body controller; VIN coding mandatory; controls lighting, wipers, comfort functions
Central Gateway Module (ZGW) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Behind glove box, right side footwell area (integrated with FEM or separate)
🔧 BMW ISTA + ICOM Next
⚠️ Security gateway; replacement requires dealer-level authentication; all modules may need recoding after replacement
Adaptive LED Headlight Module (AHL) 1.5 hr R&R security gateway +0.5 hr ▸ programming details
📍 Inside each headlight assembly (left and right)
🔧 BMW ISTA + ICOM Next
⚠️ Headlight aim calibration required after replacement; left/right specific modules
Car Access System (CAS) 1.5 hr R&R security gateway +1.5 hr ▸ programming details
📍 Behind dashboard, left side of steering column
🔧 BMW ISTA + ICOM Next
⚠️ All keys must be reprogrammed; ISN synchronization with DME mandatory; tow-in only replacement
Door Module (TRSVC) 1.2 hr R&R security gateway +0.3 hr ▸ programming details
📍 Inside each door (four separate modules)
🔧 BMW ISTA + ICOM Next
⚠️ Window initialization required after replacement; door-specific coding
Instrument Cluster (KOMBI) 1.2 hr R&R security gateway +0.8 hr ▸ programming details
📍 Dashboard, behind instrument panel
🔧 BMW ISTA + ICOM Next
⚠️ Mileage programming requires dealer authentication; VIN synchronization mandatory
Digital Motor Electronics (DME) 1.2 hr R&R security gateway +1.0 hr ▸ programming details
📍 Engine compartment, left side firewall area behind strut tower
🔧 BMW ISTA + ICOM Next
⚠️ ISN synchronization with CAS required; dealer authentication mandatory for programming
Active Cruise Control Radar (ACC) 1.2 hr R&R security gateway +0.8 hr ▸ programming details
📍 Behind front bumper, center lower grille area
🔧 BMW ISTA + ICOM Next
⚠️ Radar calibration with alignment targets mandatory after replacement; bumper removal required
Advanced Crash Safety Module (ACSM) 1.0 hr R&R security gateway +0.5 hr ▸ programming details
📍 Center console tunnel, below center armrest
🔧 BMW ISTA + ICOM Next
⚠️ Battery disconnect required; crash data must be cleared after coding
Tailgate Module (HKL) 1.0 hr R&R security gateway +0.3 hr ▸ programming details
📍 Inside tailgate, behind trim panel
🔧 BMW ISTA + ICOM Next
⚠️ Power liftgate calibration required after coding
Digital Display Key Module (DDK) 1.0 hr R&R security gateway +0.5 hr ▸ programming details
📍 Integrated with CAS or separate module behind dashboard
🔧 BMW ISTA + ICOM Next
⚠️ Optional feature; digital key pairing required after replacement; smartphone integration
Electronic Damper Control (EDC) 1.0 hr R&R security gateway +0.5 hr ▸ programming details
📍 Rear trunk area, left side near wheel well (if equipped with adaptive suspension)
🔧 BMW ISTA + ICOM Next
⚠️ Optional M Sport suspension; damper calibration required after coding
Telematics Communication Box (TCB) 1.0 hr R&R security gateway +0.5 hr ▸ programming details
📍 Behind rear seat backrest, left side
🔧 BMW ISTA + ICOM Next
⚠️ ConnectedDrive subscription reactivation required; SIM card transfer if applicable
Battery Management System (BMS) 0.8 hr R&R security gateway +0.5 hr ▸ programming details
📍 Under rear seat or trunk floor, attached to 12V battery area
🔧 BMW ISTA + ICOM Next
⚠️ Battery registration required after replacement; manages 12V system (not high-voltage; iX2 is not a plug-in hybrid)
Fuel Pump Control Module (EKPM) 0.8 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Under rear seat or in trunk area, near fuel tank
🔧 Autel MaxiSys or BMW ISTA
⚠️ Basic adaptation usually sufficient; some aftermarket tools can perform coding
Park Distance Control (PDC) 0.8 hr R&R aftermarket tool +0.3 hr ▸ programming details
📍 Behind rear bumper, center area
🔧 Autel MaxiSys or BMW ISTA
⚠️ Sensor calibration may be required; some aftermarket tools can code
Seat Module (SM) 0.8 hr R&R security gateway +0.3 hr ▸ programming details
📍 Under driver and passenger seats (separate modules)
🔧 BMW ISTA + ICOM Next
⚠️ Memory seat positions lost after replacement; occupancy sensor calibration may be required
Rear View Camera (RFK) 0.5 hr R&R aftermarket tool +0.2 hr ▸ programming details
📍 Tailgate, integrated in handle or emblem area
🔧 Autel MaxiSys or BMW ISTA
⚠️ Guideline calibration may be required; relatively simple replacement
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour?
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