BMW X6 E71
Weaknesses, engine ratings and buying advice
306–360 PS
3.0L Turbo Benzin
Turbo Straight-Six
Decent408 PS
4.4L V8 Biturbo Benzin
7 weaknesses
Stay Away!Generations
Engine Overview
The BMW X6 E71 is available with 4 engine variants — from 197 to 408 hp.
The BMW xDrive30d (Diesel, 245 PS) has the N57D30 (3.0L Diesel) — rated: "Be Careful", 6 known weaknesses.
The BMW xDrive40d (Diesel, 306–313 PS) has the N57D30 (3.0L Diesel) — rated: "Be Careful", 6 known weaknesses.
The BMW xDrive35i (Benziner, 306 PS) has the N55B30 (3.0L Turbo) — rated: "Be Careful", 10 known weaknesses.
The BMW xDrive50i (Benziner, 408 PS) has the N63B44 (4.4L V8 Biturbo) — rated: "Stay Away!", 7 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Rear Air Spring Leaking The rear air springs on the X6 E71 develop leaks and can't hold air pressure. The car sags to one side, the compressor runs continuously and also wears out. A very common fault on used E71s. Symptoms: X6 sits low at rear, often one-sided, compressor running noise audible, levelling fault message, whistling from rear axle from 100,000 km | High | |
| Axle Suspension and Shock Absorbers Worn TÜV reports for the E71 list axle suspension, suspension springs and shock absorbers as the most frequent defect points — attributable to the vehicle's high weight. Brake hoses also show early wear. Symptoms: Banging over bumps, excessive rebound after road humps, uneven tyre wear, car sits unevenly from 80,000 km | High |
Top Reported Issues
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Known Problems and Issues
A total of 30 weaknesses have been documented for the BMW X6 E71 (2008–2014) — 23 engine-related and 7 vehicle-related. One problem engine: N63B44 (4.4L V8 Biturbo). Typical issues affect Suspension, Electronics, Gearbox, Other.
X6 (N57D30, 2008–2014) — Be Careful: Timing chain breaks / guide rails shatter, Connecting rod / main bearing damage at high mileage, EGR cooler leak — coolant loss. Power: 245 PS.
X6 (N57D30, 2010–2014) — Be Careful: Timing chain breaks / guide rails shatter, Connecting rod / main bearing damage at high mileage, EGR cooler leak — coolant loss. Power: 306–313 PS.
X6 (N63B44, 2008–2014) — Stay Away!: Valve stem seals porous — extreme oil consumption, Piezo injectors defective — hydraulic hammer and misfires, Timing chain stretches — guide rails break. Power: 408 PS.
X6 (N55B30, 2010–2014) — Be Careful: Bearing wear from neglected maintenance, Electric water pump failure, High oil consumption. Power: 306 PS.
What to watch out for with the BMW X6? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
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Last updated: February 2026 · All information without guarantee