BMW 6er E63
Weaknesses, engine ratings and buying advice
355–367 PS
4.8L V8 Benzin
V8 Coupe, No Eco Compromises
Legendary!355–367 PS
4.8L V8 Benzin
9 weaknesses
Stay Away!Body Variants
The BMW 6er E63 is available as Coupé and Cabrio — choose your body type for specific insurance data:
Generations
Engine Overview
The BMW 6er E63 is available with 3 engine variants — from 204 to 367 hp.
The BMW 630i (Benziner, 258 PS) has the N52B30 (3.0L Magnesium) — rated: "Be Careful", 5 known weaknesses.
The BMW 645Ci (Benziner, 333 PS) has the N62B44 (4.4L V8) — rated: "Stay Away!", 9 known weaknesses.
The BMW 650i (Benziner, 367 PS) has the N62B48 (4.8L V8) — rated: "Stay Away!", 9 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Convertible roof doesn't close fully The E64 convertible roof sporadically won't close fully — it stops about 30 cm before the windscreen. Cause is a faulty rotation angle sensor on the main post, left side. Cheaper to repair than the roof itself. Symptoms: Roof won't close to windscreen, stops halfway, roof fault message, manual assistance needed to close. from 80,000 km | Medium | |
| Water ingress in hood compartment and boot Water enters the boot through blocked drain channels and faulty vent flaps under the rear bumper. In 95% of cases the left/right vent flaps under the bumper are the cause. Wet carpets and damage to electronics under the boot floor result. Symptoms: Damp boot, wet carpets, water smell in cabin, standing water in spare wheel well from 80,000 km | Medium |
Alternatives
Audi S8 D3
Oberklasse (2006–2011)
Mercedes-Benz CL C216
Oberklasse (2006–2013)
Volvo S80 II
Oberklasse (2006–2016)
Hyundai Grandeur TG
Oberklasse (2005–2010)
Mercedes-Benz S-Klasse W221
Oberklasse (2005–2013)
Mercedes-Benz CLS C219
Oberklasse (2004–2010)
Known Problems and Issues
A total of 35 weaknesses have been documented for the BMW 6er E63 (2003–2010) — 23 engine-related and 12 vehicle-related. 2 problem engines: N62B48 (4.8L V8), N62B44 (4.4L V8). Typical issues affect Body, Electronics, Steering, Suspension.
6er (N62B44, 2003–2010) — Stay Away!: Valve stem seals harden — blue smoke after standing, Coolant transfer pipe leaking — hidden coolant loss, Water pump — plastic impeller breaks. Power: 333 PS.
6er (N62B48, 2005–2010) — Stay Away!: Valve stem seals harden — blue smoke after standing, Coolant transfer pipe leaking — hidden coolant loss, Water pump — plastic impeller breaks. Power: 367 PS.
6er (N52B30, 2007–2010) — Be Careful: Electric water pump defective, Oil filter housing gasket — oil into coolant, Eccentric shaft sensor (Valvetronic) failure. Power: 258 PS.
What to watch out for with the BMW 6er? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the BMW 6er E63 have? +
What should I look for when buying a used BMW 6er E63? +
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Which BMW 6er E63 engine is the most fun? +
Is the BMW 6er E63 worth buying used? +
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Last updated: February 2026 · All information without guarantee