BMW X32018

• Diesel engines are efficient and economical on longer runs, but this X3's 138k km sits at the upper end for an 8-year-old — expect higher wear than average Irish usage patterns.
• At €29,950, pricing has climbed 20% year-on-year; check competitor petrol or hybrid SUVs in the same bracket, as diesel repair costs (DPF, NOx sensors) may outweigh fuel savings over next 3–5 years.
• DPF and NOx sensor faults are common on this generation — both trigger expensive repairs (€800–€1,500 each). Timing chain tensioner wear can also cause cold-start rattle and catastrophic engine damage if ignored.
• Before committing, have a pre-purchase diesel diagnostic run by a trusted mechanic — focus on DPF regeneration status, emission fault codes, and timing chain condition; a full service history is essential here.

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