PSA / BMW 1.6 THP (EP6)

1.6 THP (EP6) Engine

The 1.6 THP (EP6) is a petrol engine co-developed by PSA and BMW. It has a displacement of 1.6 liters and was produced from 2010 to 2018.

Typical Use Cases

Peugeot 308: 2010–2017
Peugeot 3008: 2010–2016
Citroen DS3: 2010–2018
MINI Cooper S: 2010–2013

This overview summarizes the reliability of the PSA / BMW 1.6 THP (EP6), including common issues and cost drivers.

Modern internal combustion engine — Image credit: Unsplash · Unsplash License

Technical Specifications

Manufacturer

PSA / BMW

Fuel Type

Petrol

Displacement

1.6 L

Production

2010–2018

Power Output

156 hp

Emissions

Euro 5, Euro 6

Reliability Analysis

The engine shows below-average reliability with a risk score of 7.5 out of 10. Timing chain stretch is common and can be expensive if ignored.

Caution

Autoscore Verdict

Caution. The risk score of 7.5 reflects frequent timing chain problems.

Risk Score

7.5

out of 10

Common Problems & Weak Points

Issue	Typical Mileage	Repair Cost (Est.)	Severity
Timing Chain Stretch	~80,000 km	€900 – €1800	High

Timing Chain Stretch

The EP6/THP is known for timing chain stretch. It often presents as cold-start rattle and timing fault codes around 80,000 km. Repairs are costly but necessary to avoid engine damage.

Typical Mileage: 80,000 km

Cost: €900–1800

Buyer's Inspection Checklist

Listen for timing chain rattle on cold start.
Check service records for timing chain replacement.
Verify regular oil changes with correct specification oil.
Scan for timing-related fault codes.

Frequently Asked Questions

Is the 1.6 THP (EP6) engine reliable?

The 1.6 THP (EP6) has known weak points, but with good maintenance the reliability is solid. See the risk analysis and common problems for specifics. Start a report for a specific car.

How expensive are typical repairs?

Common repairs fall into a mid-range cost band depending on the issue and workshop. Check the cost ranges in the table. Use the used car report for specific listings.

Which model years are best for this engine?

Newer production years often include technical updates. Review the production years and revisions in the specs. Use Car Check for quick screening.

Related Engines