BWW 335i Convertible most common problem HPFP High Pressure Fuel Pump

BWW 335i Convertible most common problem HPFP High Pressure Fuel Pump. Year 2010 BMW recall to reclaim HPFP High Pressure Fuel Pump

 What is function HPFP High Pressure Fuel Pump?

The function of HPFP is to supply High pressure petrol to engine. HPFP has had a very high number of failures over the past few years. Cause of HPFP to fail nobody has been able to put finger on it. Maybe something breaking it down in the operating environment (heat, fuel, vibration, etc). There has been a lot of speculation about fuel type?, driving style, vehicle type, etc

HPFP Hing Pressure Fuel Pump

HPFP Hing Pressure Fuel Pump

What happens in HPFP fail function?
The “Check Engine” turn on and your engine will run at significantly under power

The symptoms of failing HPFP?
– Long crank to start engine
– Check Engine turn on continuously
– Car runs rough and under power

HPFP fail function will damage any other engine parts?
Would not damage any other engine parts. The engine should continue to run, but roughly and at reduced power. You will still be able to drive home or to the workshop Motoring Partner. Driving in this condition will not harm the engine

Cost of parts
Brand new original BMW RM 1900
Labor to change RM 150
Total RM 2050
Two Hour Job

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