CriticalCommonEngine

BMW X5: N63 High-Pressure Fuel Pump (HPFP) Failure

N63 High-Pressure Fuel Pump (HPFP) Failure is a common engine fault on the BMW X5 on the 2010–2013 cars, and we rate it critical. Putting it right costs $1,800 to $4,000 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 41 documented faults on the BMW X5.

Vehicle: BMW X5
Engine: N63
Years: 2010–2013
Fuel: petrol
Gearbox: auto
System: Engine

This page covers the BMW X5 as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All BMW X5 faults41 documented faults on this model

What you are looking at

No photograph available

We do not hold a verified photograph of the High-pressure fuel pump yet. We would rather show none than show a picture of a different part.

What goes wrong

The N63 4.4-litre twin-turbocharged V8 fitted to the X5 50i is known for premature high-pressure fuel pump failure. The HPFP is driven by the camshaft and pressurises fuel to the direct injection system. Internal wear of the pump's cam follower and plunger causes loss of fuel pressure, leading to rough running, misfires and in severe cases a no-start condition. BMW issued extended warranty coverage for this fault in several markets. Early failure can also cause metal contamination of the fuel system, requiring injector and fuel rail flushing.

What you would notice

Rough idle, misfires or hesitation under load
Extended crank time before starting, especially hot
Reduced power and fuel economy
Fault codes for fuel pressure or injector performance stored in DME

How to check it

Where to look. High-pressure fuel pump mounted on cylinder head valley, N63 V8

Monitor live fuel pressure data at idle and under load. Ask for any history of hard starting or fuel system work. Inspect the cam follower for wear if access permits during a pre-purchase inspection. If a workshop inspection is possible: Connect a BMW-compatible scan tool and check for stored fuel pressure or injector fault codes.

Parts involved: High-pressure fuel pump.

What it costs to put right

$1,800 to $4,000 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

“Has the high-pressure fuel pump or cam follower been inspected or replaced?”
“Are there any stored fault codes related to fuel pressure or misfires?”
“Has the vehicle ever had extended crank or hard-start issues?”

Now check the BMW X5 you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.

BMW X5 buyer questions

Is n63 high-pressure fuel pump (hpfp) failure serious on a BMW X5?

We rate it critical and common on the BMW X5. The N63 4.4-litre twin-turbocharged V8 fitted to the X5 50i is known for premature high-pressure fuel pump failure. The HPFP is driven by the camshaft and pressurises fuel to the direct injection system. Internal wear of the pump's cam follower and plunger causes loss of fuel pressure, leading to rough running, misfires and in severe cases a no-start condition. BMW issued extended warranty coverage for this fault in several markets. Early failure can also cause metal contamination of the fuel system, requiring injector and fuel rail flushing.

How much does it cost to fix on a BMW X5?

$1,800 to $4,000 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which BMW X5 years are affected?

Our research records this fault on the 2010–2013 BMW X5. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.