Mercedes OM642 3.0 V6 Diesel Problems: Swirl Flap, Oil Cooler & DPF Failures (UK)

The Mercedes-Benz OM642 3.0L V6 diesel is widely respected for its smooth power delivery and widespread use across the brand’s premium lineup. However, UK owners must be aware of three well-documented vulnerabilities: degrading oil cooler seals, brittle swirl flap linkages, and Diesel Particulate Filter (DPF) clogging. If ignored, these specific faults can escalate from minor […]
How Long Does a BMW B58 Petrol Engine Last? Real UK Mileage Data (2026)

The BMW B58 inline-six petrol engine is widely regarded by UK automotive specialists as one of the most robust and durable modern engines produced by the manufacturer. With proper maintenance, UK owners and independent workshops frequently report B58 engines surpassing 150,000 to 200,000 miles without major internal failure. Unlike its predecessor (the N55), the B58 […]