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P0298 – BMW DTC

BMW DTC P0298 – Engine Oil Over Temperature

DTC P0298 meaning on BMW

The DTC P0298 code on a BMW indicates that the engine oil temperature is above the specified threshold. This code is triggered when the engine oil temperature exceeds the manufacturer’s recommended limits, potentially leading to engine performance issues.

BMW DTC P0298 symptoms

Symptoms of DTC P0298 on a BMW may include:

  • Reduced engine performance
  • Engine overheating
  • Check Engine Light (CEL) illuminated
  • Engine knocking or pinging noises

BMW DTC P0298 causes

The common causes of DTC P0298 on a BMW include:

  • Low engine oil level
  • Malfunctioning oil temperature sensor
  • Restricted oil flow or circulation
  • Defective oil cooler

BMW DTC P0298 seriousness

Ignoring DTC P0298 on a BMW can lead to severe engine damage due to the increased oil temperature. It is crucial to address this issue promptly to prevent potential engine failure or long-term damage.

How to diagnose DTC P0298 on BMW

To diagnose DTC P0298 on a BMW, follow these steps:

  1. Use an OBD-II scanner to retrieve the fault code.
  2. Check the engine oil level and quality.
  3. Inspect the oil temperature sensor for any signs of damage or malfunction.
  4. Verify proper oil flow and circulation within the engine.

How to fix DTC P0298 on BMW

To fix DTC P0298 on a BMW, consider the following actions:

  1. Top up the engine oil to the recommended level.
  2. Replace the faulty oil temperature sensor if necessary.
  3. Clean or replace the oil cooler to ensure proper cooling.
  4. Address any restrictions in oil flow or circulation within the engine.

How to erase DTC P0298 on BMW

To erase DTC P0298 on a BMW, you can use an OBD-II scanner to clear the fault code after addressing the underlying issue causing the engine oil over temperature condition. Once the problem is resolved, clearing the code will reset the Check Engine Light.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

← All BMW Diagnostic Trouble Codes

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