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P0298BMWBMW i4 HubAll BMW P0298Critical Severity

P0298 on BMW i4

Engine Oil Overtemperature Condition

Factory diagnostic protocol and troubleshooting wire for fault code P0298 specifically for the BMW i4 (2022–2026, Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP)).

Verified OEM Telemetry & Field Repair Tree
BMW i42022–2026
BMW i4
EVSingle / Dual Motor EV (eDrive35, eDrive40, M50 536HP)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
i4 SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Not Recommended
Critical urgency level
Est. Repair Cost
$150 - $600
Parts & Labor DIY
Check P0298 On Another BMW Model:
Diagnose P0298 on Specific i4 Model Year:

1. Symptoms of P0298 on BMW i4

When the Engine Control Module (ECM/PCM) on your BMW i4 (Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP)) logs fault code P0298, drivers commonly observe:

Oil Temperature Warning light on on BMW i4 (Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP))
Engine entering thermal protection mode on BMW i4 (Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP))
BMW i4 OBD-II Port Location
The 16-pin diagnostic connector is located Under driver steering column OBD interface. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on BMW i4

Historical warranty claims and technical repair bulletins for BMW i4 point to the following failure distribution:

55%
Low engine oil level (BMW OEM Part)
25%
Clogged oil cooler (BMW OEM Part)
12%
Heavy towing in high ambient temperatures (BMW OEM Part)
8%
Failing cooling system (BMW OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for BMW i4.

3. Step-by-Step DIY Repair Guide for BMW i4

01
Scan and Record Freeze Frame Telemetry

Connect an OBD-II scan tool and record freeze frame sensor telemetry for code P0298 to note engine RPM, load, and voltage when the fault triggered. on the BMW i4 equipped with Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP).

Required Tool: OBD-II Scanner
02
Inspect Related Wiring Harness & Connectors

Inspect the electrical connector and wiring harness related to P0298 for chafing, corrosion, moisture, or pin push-out. on the BMW i4 equipped with Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP).

Required Tool: Flashlight, Multimeter
03
Test Component Resistance & Voltage Supply

Measure circuit voltage supply (12V B+ or 5V reference) and sensor/actuator resistance according to factory repair manual specifications. on the BMW i4 equipped with Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP).

Required Tool: Digital Multimeter
04
Replace Defective Component

Install a new OEM-grade replacement part, torque fasteners to factory spec, and ensure electrical locking tabs click firmly. on the BMW i4 equipped with Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP).

Required Tool: Hand Tool Socket Set, Torque Wrench
05
Clear Trouble Codes & Complete Drive Cycle

Clear all stored DTCs from vehicle memory and perform an OBD-II drive cycle to confirm the diagnostic monitor resets to 'Ready'. on the BMW i4 equipped with Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing BMW i4 (P0298)

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Direct-Fit Replacement Part

BMW i4 OEM Replacement Sensor

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Direct-fit replacement assembly engineered to OEM tolerances for BMW i4.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
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Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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Other Common Fault Codes on BMW i4

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the BMW i4:

4. BMW i4 P0298 FAQs

What causes code P0298 to trigger on a BMW i4?

On the BMW i4 (Single / Dual Motor EV (eDrive35, eDrive40, M50 536HP)), P0298 is most frequently caused by Low engine oil level or Clogged oil cooler.

Where is the OBD-II port located on my BMW i4?

On the BMW i4, the 16-pin DLC diagnostic connector is located Under driver steering column OBD interface. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my BMW i4 with code P0298?

No. Pull over and let engine cool. Given that P0298 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.