2006 BMW X5 problems
The 2006 BMW X5 was sold with 1 engine and 1 gearbox that we have documented: the BMW M57 and the ZF 6HP gearbox. All of them have serious faults that affect the cars of that year. The safest option is the ZF 6HP gearbox (verdict “With caution”). Outside the engine, 2 documented faults affect 2006 cars, such as oil in the brake servo damages the diaphragm and removes assistance (built 2006-2010).
2006 BMW X5 score: low reliability
Calculated using only 9 documented faults and their sources: the most serious and frequent faults weigh more. How it is calculated
- Engine3.74 faults
- Gearbox5.43 faults
- Suspension7.7Technical inspection (ITV) only: 0.9 times the defects normal for its age
- Brakes8.61 fault and ITV (technical inspection)
- Tyres and wheels10.0No documented faults
- Steering9.0Technical inspection (ITV) only: 0.4 times the defects normal for its age
- Electrical system10.0No documented faults
- Headlights and lights8.3Technical inspection (ITV) only: 0.7 times the defects normal for its age
- Electronics and infotainment10.0No documented faults
- Climate control10.0No documented faults
- Bodywork and interior8.5Technical inspection (ITV) only: 0.6 times the defects normal for its age
- Airbags and safety8.91 fault
BMW M57 engine in the 2006 BMW X5
Names: 3.0d · 35d
- With caution
M57D30TU2, second revision 3.0 litres, aluminium block (204-286 hp, 2004-2010)
204–286 hp · M57D30TU2
A specialist workshop expressly names the 231 hp E90 330d/330xd and the twin-turbo 335d/535d among the versions with swirl flaps; it points to only a final 197 hp revision of the 325d/525d as an exception.[2]
Faults that affect 2006 cars
- Critical severityFrequency: CommonIntakeBroken intake swirl flapsYes: most automatic M57 and M57TU engines (330d, 530d, 535d, 730d, X3 3.0d and so on) have six metal flaps in the intake manifold that can seize, come loose and wreck a cylinder. The E53 X5 3.0d and the manual gearboxes of the first 330d/530d are free of them, according to a specialist workshop.
- High severityFrequency: CommonLubricationCrankcase ventilation (PCV) valve failureThe valve that separates oil from the crankcase gases (PCV) degrades over time, especially after 120,000-150,000 km, and can cause oil consumption, bluish smoke and a rough idle and, if ignored, foul the turbo, the EGR or the particulate filter.Appears at around 120,000 km
- Medium severityFrequency: OccasionalCylinder head and blockCracked exhaust manifoldThe M57 exhaust manifold can crack, causing loss of power, an unstable idle and a smell of exhaust fumes in the cabin; the recommended repair is to replace it with a cast one.
- Medium severityFrequency: OccasionalOtherCrankshaft pulley vibration damper failureThe M57 crankshaft vibration damper (pulley) can fail with use, warning with abnormal noises and knocking at the front of the engine before it breaks completely.
ZF 6HP gearbox in the 2006 BMW X5
Names: X5 3.0d Steptronic · X5 30d Steptronic · X5 40d Steptronic
- With caution
1st generation (6HP19/26/32, 2000-2006)
· 6HP19, 6HP19A, 6HP26, 6HP26A, 6HP26X, 6HP26Z, 6HP32, 6HP32A
Cars with this first generation are now around 20-26 years old in 2026 and often accumulate the same weak points as the whole 6HP family (jerking, valve body or mechatronic faults), documented on BMW, Audi and Land Rover; check the gearbox oil change history before buying.[4][5][6]
Faults that affect 2006 cars
- High severityFrequency: CommonElectronicsValve body and mechatronic failure: erratic shifts or a locked-up gearboxYes, and it can be serious: there are documented failures of the ZF 6HP valve body or mechatronic unit on BMW, Audi and Land Rover models from around 90,000-100,000 km, with cases that go as far as preventing a gear from engaging (including reverse) and dealer quotes of €6,000 to €10,000.Repair: €6,000–€10,000Appears at around 90,000 km
- Medium severityFrequency: CommonTransmissionJerking and harsh shifts from converter wear and ageing oilYes: on BMW, Audi and Land Rover models with the ZF 6HP there are reports of jerking, hesitation and harsh shifts from 80,000-150,000 km, especially if the gearbox oil has never been changed. The converter locks up in all six gears to save fuel, which speeds up its wear over the years.Repair (garage): €150–€400Appears at around 80,000 km
- Medium severityFrequency: OccasionalLubricationOil leaks from the sump or the gearbox sealsYes, although in a minority of cases: there are reports of ZF 6HP gearbox oil leaks on the BMW X5 (at 180,000 km) and the Audi A6 (between 204,000 and 208,000 km). If not repaired, the loss of pressure can speed up internal wear and lead to valve body or mechatronic failure.Repair (garage): €300–€600Appears at around 180,000 km
Faults outside the engine in the 2006 BMW X5
- Critical severityFrequency: RareBrakesOil in the brake servo damages the diaphragm and removes assistance (built 2006-2010)Yes: according to Gebrauchtwagenberater.de, BMW recalled X5s built from 2006 to 2010 because engine oil could enter the brake servo, damage its diaphragm and cause loss of brake assistance.
- High severityFrequency: RareAirbags and safetySeat belt buckle that may not release (X5 E70 from 2006-2007)Yes: according to Gebrauchtwagenberater.de and the KBA, on X5 E70s from 2006 and 2007 the seat belt buckle may not release, making it harder to get out of the car after an accident.
Buying a 2006 BMW X5?
We will put you in touch with a partner only if you authorise it in the form.
Frequently asked questions
Is the 2006 BMW X5 reliable?
The 2006 BMW X5 was sold with 1 engine and 1 gearbox that we have documented: the BMW M57 and the ZF 6HP gearbox. All of them have serious faults that affect the cars of that year. The safest option is the ZF 6HP gearbox (verdict “With caution”). Outside the engine, 2 documented faults affect 2006 cars, such as oil in the brake servo damages the diaphragm and removes assistance (built 2006-2010).
What is the best year for the BMW X5?
According to our score, the best is 2007 (5.9/10). The year with the worst score is 2006 (4.9/10). Each year's score counts only the engines sold that year and the faults that affect those cars.
What faults does the 2006 BMW X5 have?
The most important ones documented for 2006 cars are: broken intake swirl flaps (BMW M57, critical severity), oil in the brake servo damages the diaphragm and removes assistance (built 2006-2010) (brakes, critical severity), crankcase ventilation (PCV) valve failure (BMW M57, high severity), valve body and mechatronic failure: erratic shifts or a locked-up gearbox (ZF 6HP gearbox, high severity) and seat belt buckle that may not release (X5 E70 from 2006-2007) (airbags and safety, high severity).
Own a 2006 BMW X5? 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 M57Wikipedia (inglés) · Other source · consulted 27 September 2026
- Motor BMW M57 - Reparación EspecializadaDasercars · Technical documentation · consulted 27 September 2026 · in Spanish
- Fiabilité BMW X5 (2007-2013), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
- Fiabilité BMW Série 5 (2003-2010), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
- Fiabilité Audi A6 (2004-2010), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French
- Fiabilité Land Rover Range Rover Sport (2005-2013), pannes et témoignagesFiches-auto.fr · Owners' forum · consulted 27 September 2026 · in French