BMW X1 E84 N20 (sDrive20i, xDrive20i and xDrive28i) problems
The BMW X1 E84 used the N20 from 2011 to 2015 (sDrive20i, xDrive20i and xDrive28i). 5 documented faults affect it; the most important is “timing chain guide and tensioner wear (2011-2015)” (critical severity, common). Our verdict: “With caution”. Among the documented engines of the BMW X1 E84, the safest option is the N52 / N53.
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Engine score on this car
3.7 out of 10Low reliability
Only counting the faults that affect the versions and years of the X1 E84. How we calculate it
Overall score for the BMW X1 E84
5.4 out of 10Acceptable reliability
Engines, gearbox, suspension, brakes, electronics and the rest of the car. See breakdown
BMW N20 (N20B20 / N20B20A / N20B20B) · Petrol
- In the X1 E84
- 2011–2015[1]
- Names
- sDrive20i · xDrive20i · xDrive28i
- Faults that affect it
- 5 · 2 of high or critical severity
Verdict for the versions it uses
N20B20B 184 hp (135 kW, 2011-2017)2011–2017 · 184 hp · N20B20, N20B20B
With cautionIt shares with the rest of the N20 family the risk of wear to the timing chain guides and tensioner on units built before 2015.[2]
N20B20A 245 hp (180 kW, 2011-2017)2011–2017 · 245 hp · N20B20, N20B20A
With cautionIt shares with the rest of the N20 family the risk of wear to the timing chain guides and tensioner on units built before 2015.[2]
Faults that affect the X1 E84
- Critical severityFrequency: CommonTimingTiming chain guide and tensioner wear (2011-2015)Yes: on BMW N20s built mainly between 2011 and 2015, the timing chain guides and tensioner wear out early; if the chain jumps teeth it can put pistons and valves out of sync and cause catastrophic damage. BMW revised the design in 2015, without a formal recall.Appears at around 129,000 km
- Critical severityFrequency: OccasionalCoolingElectric water pump failure (BMW campaign in the US over fire risk)The N20 has an electric water pump whose connector can suffer ingress of blow-by liquid; a short circuit can cause local overheating and, very rarely, a fire. BMW recalled 720,000 vehicles in the US in 2024, not including the European Union or Spain.
- Medium severityFrequency: CommonLubricationOil leaks from the rocker cover gasket and the filter housingYes: with the years and heat cycles, the rocker cover gasket and the oil filter housing or cooler gasket on the N20 start to weep oil; it is not an acute defect but expected wear that is worth watching before the oil level drops too low.
- Medium severityFrequency: OccasionalTurboWastegate noise and plastic charge pipe breakageThe N20's single TwinScroll turbo is not, in itself, a frequent point of failure, but over the years wastegate noise or rattle and a loss of pressure can appear, and the plastic pipe that carries air from the turbo to the intercooler can crack, especially with poor maintenance or on modified engines.
- Medium severityFrequency: OccasionalInjectionHigh-pressure fuel pump (HPFP) failureThe high-pressure pump that feeds the N20's direct injection (High Precision Injection) can fail, especially on high-mileage units, leaving the car with hard starting, jerking or, in the worst case, unable to start.
What to check before buying a used BMW X1 E84 N20 (sDrive20i, xDrive20i and xDrive28i)
Each point comes from a documented fault that affects this car. You can tick them off as you inspect it.
If it has the BMW N20 (2011–2015)
Timing chain guide and tensioner wear (2011-2015)
Critical severityElectric water pump failure (BMW campaign in the US over fire risk)
Critical severityWastegate noise and plastic charge pipe breakage
Medium severityHigh-pressure fuel pump (HPFP) failure
Medium severityOther engines and gearboxes of the BMW X1 E84
Score for each one with the faults that affect this car, from best to worst.
Faults of the BMW X1 E84 outside the engine
Suspension, brakes, electronics and the rest of the car: they occur with any engine.
- High severityFrequency: OccasionalGearbox and clutchxDrive transfer case failure on the X1 E84According to the fiches-auto.fr reports, the xDrive transfer case on the X1 E84 appears in 26 cases, with jerking and thumps in the drivetrain between 27,000 and 110,000 km. It is an owner reference, not a fault confirmed by the manufacturer.Appears at around 27,000 km
- Critical severityFrequency: RareSteeringLoss of electric power steering assistance on the BMW X1 E84According to the KBA, as cited by Gebrauchtwagenberater.de, a fault in the electronics of the electric power steering can leave the car without assistance; it affects X1s built up to and including 2012.
- Medium severityFrequency: OccasionalGearbox and clutchPremature wear of the clutch and flywheel on the manual X1According to the reports collected by fiches-auto.fr, the clutch is the most cited point on the manual X1 E84: 48 mentions out of 315 reports, with vibrations, noise in first gear and wear between 32,000 and 95,000 km. There is no known official campaign.Appears at around 32,000 km
- Medium severityFrequency: OccasionalSuspensionNoises and wear in the suspension, bushes and bearings of the X1 E84According to fiches-auto.fr, the suspension, bushes and bearings account for 23 mentions out of 315 reports on the X1 E84: creaks, premature tyre wear and bearing noise from around 170,000 km.
- Medium severityFrequency: OccasionalElectronics and infotainmentFaults in the iDrive, the GPS and the electronic modules of the X1 E84According to fiches-auto.fr, the X1 E84's electronics account for 21 mentions out of 315 reports: an iDrive that freezes, a GPS that fails, warnings on the dashboard and faults caused by water ingress. There is no known official campaign.
Buying a BMW X1 E84 N20 (sDrive20i, xDrive20i and xDrive28i)?
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The BMW X1 E84 has 2 documented recalls and campaigns. See which ones and how to find out if they affect you
Frequently asked questions
Is the BMW X1 E84 N20 (sDrive20i, xDrive20i and xDrive28i) reliable?
The BMW X1 E84 used the N20 from 2011 to 2015 (sDrive20i, xDrive20i and xDrive28i). 5 documented faults affect it; the most important is “timing chain guide and tensioner wear (2011-2015)” (critical severity, common). Our verdict: “With caution”. Among the documented engines of the BMW X1 E84, the safest option is the N52 / N53.
What faults does the BMW X1 E84 N20 (sDrive20i, xDrive20i and xDrive28i) have?
The documented ones that affect this car are: timing chain guide and tensioner wear (2011-2015) (critical severity), electric water pump failure (BMW campaign in the US over fire risk) (critical severity), oil leaks from the rocker cover gasket and the filter housing (medium severity), wastegate noise and plastic charge pipe breakage (medium severity) and high-pressure fuel pump (HPFP) failure (medium severity).
Which engine should you choose for the BMW X1 E84?
None has a «Buy» verdict; the safest option is the BMW N52 / N53, with a «With caution» verdict.
Own a BMW X1 E84 N20 (sDrive20i, xDrive20i and xDrive28i)? Tell us what faults you have had and at how many kilometres. Report your fault.
Sources
Every fact on this page links to its source. If you find an error, let us know.
- BMW X1 (E84)Wikipedia (inglés) · Other source · consulted 27 September 2026
- BMW N20 Engine: Pros, Cons, Reliability, Tuning, and Maintenance GuideBMW BLOG · Motoring press · published 8 June 2025 · consulted 27 September 2026
- Motor BMW N20: análisis y modelos con este cuatro cilindros turboSpeedme · Other source · published March 2026 · consulted 27 September 2026 · in Spanish
- BMW-Rückruf: 720.796 Fahrzeuge in den USA betroffen (Wasserpumpe)Auto Motor und Sport · Motoring press · published 21 August 2024 · consulted 27 September 2026 · in German