2015 BMW X1 problems
The 2015 BMW X1 was sold with 3 engines and 1 gearbox that we have documented: the BMW N20, the BMW N43/N46, the ZF 8HP gearbox and the BMW N52 / N53. The BMW N20, the BMW N43/N46 and the ZF 8HP gearbox have serious faults that affect the cars of that year. The safest option is the BMW N52 / N53 (verdict “With caution”). Outside the engine, 5 documented faults affect 2015 cars, such as xDrive transfer case failure on the X1 E84.
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2015 BMW X1 score: acceptable reliability
Calculated using only 19 documented faults and their sources: the most serious and frequent faults weigh more. How it is calculated
- Engine4.8From 3.7 to 6.5 depending on the engine
- Gearbox6.6Manual: 7.1 · ZF 8HP: 6.2
- Suspension8.81 fault and ITV (technical inspection)
- Brakes8.6Technical inspection (ITV) only: 0.5 times the defects normal for its age
- Tyres and wheels10.0No documented faults
- Steering9.51 fault and ITV (technical inspection)
- Electrical system10.0No documented faults
- Headlights and lights8.7Technical inspection (ITV) only: 0.5 times the defects normal for its age
- Electronics and infotainment8.61 fault
- Climate control10.0No documented faults
- Bodywork and interior8.4Technical inspection (ITV) only: 0.6 times the defects normal for its age
- Airbags and safety10.0No documented faults
What changes compared with the 2014 BMW X1
- Score: 5.5 → 5.9
- No longer sold: BMW N47
- No longer affected by: rear timing chain stretch and breakage (BMW N47), broken intake manifold swirl flaps (BMW N47), turbo and wastegate valve failure (BMW N47) and clogged or seized EGR valve (BMW N47) and 1 more
BMW N20 engine in the 2015 BMW X1
Names: sDrive20i · xDrive20i · xDrive28i
- With caution
N20B20B 184 hp (135 kW, 2011-2017)
184 hp · N20B20, N20B20B
It 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]
- With caution
N20B20A 245 hp (180 kW, 2011-2017)
245 hp · N20B20, N20B20A
It 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 2015 cars
- 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.
BMW N43/N46 engine in the 2015 BMW X1
Names: sDrive18i
- With caution
N46NB20 150-170 hp, revised ECU (2006-2012)
150–170 hp · N46NB20
It shares the risk of chain, Valvetronic and VANOS wear with the rest of the family; as it keeps indirect injection, it does not show the injector and NOx sensor failures specific to the N43.[3][4][5]
Faults that affect 2015 cars
- Critical severityFrequency: CommonTimingWear and breakage of the timing chain guidesYes: both the N43 and the N46 can stretch the timing chain and wear its plastic guides and tensioner. On the N43, English-language Wikipedia documents that a broken guide can release fragments that block the oil strainer and cause serious damage through lack of lubrication.
- Medium severityFrequency: CommonIntakeWear of the Valvetronic and the VANOS solenoid valvesOver the years, the eccentric shaft or the actuator motor of the Valvetronic can wear and cause heavy idle fluctuations; the VANOS solenoid valves also fail over time, with similar symptoms and a loss of power. According to English-language Wikipedia, the 1.6-litre N43B16 does not have Valvetronic.
- Medium severityFrequency: CommonLubricationOil leaks and consumption (rocker cover, vacuum pump and valve stem seals)Over the years, the rocker cover gasket and the brake servo vacuum pump gasket start to seep oil on the N43 and N46; on the N46 there are also the valve stem seals, which can cause more noticeable oil consumption than on the N43.
ZF 8HP gearbox in the 2015 BMW X1
Names: X1 25d xDrive Steptronic 8 · X1 28i xDrive Steptronic 8
- With caution
1st generation (2008-2013)
· 8HP45, 8HP55, 8HP65, 8HP70, 8HP90
Cars with this first generation are now around 13-18 years old in 2026; on the BMW 5 Series (F10) there are documented cases of failed mechatronics and of being unable to engage reverse after 120,000-130,000 km, so it is worth checking the gearbox's service history before buying.[7]
Faults that affect 2015 cars
- High severityFrequency: OccasionalElectronicsMechatronic failure as the gearbox ages (sometimes with reverse)Yes, although in a minority of cases: there are documented ZF 8HP mechatronic failures on BMW after 120,000-130,000 km, costing €1,400 to €3,500, and also control unit or electronic selector faults on Audi and Land Rover.Repair: €1,400–€3,500
- Medium severityFrequency: CommonTransmissionJerking and hesitation when changing gear, sometimes needing reprogrammingYes: on BMW, Audi, Jaguar and Alfa Romeo there are accounts of jerking, hesitation or harsh shifts with the ZF 8HP. It is usually due to ageing oil or the calibration of the mechatronics, and the dealer often fixes it -not always first time- by reprogramming the gearbox control unit.
- Medium severityFrequency: OccasionalLubricationOil leaks from the gearbox gaskets or sumpYes: on the BMW 1 Series and the Jaguar F-Pace there are accounts of oil leaks from the ZF 8HP gearbox gaskets, in one case already at 40,000 km. If it is not repaired soon, the loss of pressure can speed up internal wear and lead to the jerking or mechatronic failure of the related faults.Repair (garage): €1,000–€2,000
BMW N52 / N53 engine in the 2015 BMW X1
Names: sDrive28i · xDrive28i
- With caution
N52B30 3.0 (2004-2015)
215–268 hp · N52B30, N51B30
Same weak points as the N52B25; units from before the end of 2008 may have noisy hydraulic lifters.[8][9]
Faults that affect 2015 cars
- Medium severityFrequency: CommonCoolingElectric water pump and thermostat failureThe N52's plastic electric water pump cracks or fails sooner than a mechanical one, and the thermostat usually goes with it; it is recommended to replace it as a precaution at around 80,000-100,000 km.Repair (garage): €350–€600Appears at around 80,000 km
- Medium severityFrequency: CommonLubricationOil leak from the oil filter housing gasketThe oil filter housing gasket hardens over time and leaks oil on all N52 engines; the leak can soil the engine and damage nearby parts.
- Low severityFrequency: CommonLubricationValve cover and crankcase ventilation valveThe N52's plastic valve cover cracks with heat cycles and the crankcase ventilation system fails, causing whistling, leaks and oil consumption.Repair (garage): €200–€350
Faults outside the engine in the 2015 BMW X1
- 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
- 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.
- Low severityFrequency: RareSteeringCreaking from the steering column cross-joint on the X1 E84Gebrauchtwagenberater.de notes that a defective steering column cross-joint can produce creaks when manoeuvring or with the steering wheel at full lock, mainly on the older X1s.
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Frequently asked questions
Is the 2015 BMW X1 reliable?
The 2015 BMW X1 was sold with 3 engines and 1 gearbox that we have documented: the BMW N20, the BMW N43/N46, the ZF 8HP gearbox and the BMW N52 / N53. The BMW N20, the BMW N43/N46 and the ZF 8HP gearbox have serious faults that affect the cars of that year. The safest option is the BMW N52 / N53 (verdict “With caution”). Outside the engine, 5 documented faults affect 2015 cars, such as xDrive transfer case failure on the X1 E84.
Is the 2015 BMW X1 better than the 2014?
Our score goes from 5.5 in 2014 to 5.9 in 2015. No longer affected by: rear timing chain stretch and breakage (BMW N47), broken intake manifold swirl flaps (BMW N47) and turbo and wastegate valve failure (BMW N47).
What is the best year for the BMW X1?
According to our score, the best is 2015 (5.9/10). The year with the worst score is 2012 (5.5/10). Each year's score counts only the engines sold that year and the faults that affect those cars.
What faults does the 2015 BMW X1 have?
The most important ones documented for 2015 cars are: timing chain guide and tensioner wear (2011-2015) (BMW N20, critical severity), electric water pump failure (BMW campaign in the US over fire risk) (BMW N20, critical severity), wear and breakage of the timing chain guides (BMW N43/N46, critical severity), mechatronic failure as the gearbox ages (sometimes with reverse) (ZF 8HP gearbox, high severity) and xDrive transfer case failure on the X1 E84 (gearbox and clutch, high severity).
Own a 2015 BMW X1? 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
- BMW N43: Bei diesem Benziner ist Ärger vorprogrammiertGebrauchtwagenberater · Motoring press · consulted 27 September 2026 · in German
- BMW N46: Typische Probleme & HaltbarkeitGebrauchtwagenberater · Motoring press · consulted 27 September 2026 · in German
- BMW X1 E84 – Bekannte Probleme & SchwachstellenGebrauchtwagenberater · Motoring press · published 9 May 2023 · consulted 27 September 2026 · in German
- Fiabilité BMW X1 (2009-2015), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
- Fiabilité BMW Série 5 (2010-2016), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
- BMW N52 Engine ProblemsBMW Tuning · Other source · consulted 5 October 2026
- These BMW N52 Years Have The Most ProblemsJalopnik · General press · consulted 5 October 2026