BMW Série 1 E87 (2004 – 2011)

Reliability score : 5.8/10

The BMW 1 Series (E87) marked BMW's ambitious entry into the premium compact hatchback segment. Uniquely in its class, it featured a longitudinal engine layout and rear-wheel drive (RWD), offering a near-perfect 50:50 weight distribution and unmatched driving dynamics. The E87 refers specifically to the 5-door hatchback, though the family includes the E81 (3-door), E82 (coupe), and E88 (convertible). A major facelift (LCI - Life Cycle Impulse) was introduced in March 2007, bringing interior quality improvements, revised styling, and the introduction of 'EfficientDynamics' technologies. However, this LCI also introduced the N43 direct-injection petrol engines and N47 diesel engines, both of which severely tarnished the model's reliability reputation due to timing chain and injection issues.

✅ Strengths

⚠️ Weaknesses

🎯 Verdict

The BMW E87 1 Series is a car of extremes. As a driving machine, it is the pinnacle of the compact class thanks to its RWD chassis. However, as a used car purchase, it is a minefield. If you want petrol: Avoid the 4-cylinders (116i, 118i, 120i) entirely, especially the post-2007 N43 direct-injection models, unless you have a massive repair budget. The ultimate E87 is the 130i (N52): it is highly reliable, sounds glorious, and is a future classic. If you want diesel: Seek out a pre-2007 M47 (118d/120d) and remove the swirl flaps. Avoid the post-2007 N47 diesels unless the seller provides a solid invoice proving the timing chain has been replaced with updated BMW parts.

Common issues

Problèmes de chaîne de distribution (moteurs N43/N46) High
🔧 100 000 – 180 000 km
💶 1 500 – 3 000 €
Écoutez les bruits de cliquetis au démarrage, vérifiez l'historique d'entretien.
Défaillance des bobines d'allumage et/ou injecteurs (moteurs N43 à injection directe) Medium
🔧 80 000 – 150 000 km
💶 300 – 800 €
Surveillez les ratés moteur, les pertes de puissance et le voyant moteur.
Fuites d'huile moteur (joints de cache-culbuteurs, support de filtre à huile) Medium
🔧 80 000 – 180 000 km
💶 200 – 600 €
Inspectez régulièrement le moteur et le sol sous la voiture pour des traces d'huile.
Défaillance de la pompe à eau électrique (moteurs N52 - 130i) High
🔧 100 000 – 180 000 km
💶 600 – 1 000 €
Vérifiez l'historique de remplacement, soyez attentif aux alertes de surchauffe.

Estimated maintenance costs

Oil change £70 – 130
Timing chain £1 300 – 2 500
Clutch £750 – 1 400
Complete brakes £220 – 480
Estimated annual budget £550 – 1 100

Indicative estimates (independent garage, UK market). Prices vary by region and year.