BMW 135i Fuel Pump Replacement at your home or office.

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$579.73 - $687.38

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Average rating from customers who
received a Fuel Pump Replacement.
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Fuel Pump Replacement Estimate for BMW 135i

BMW 135i Fuel Pump Replacement costs $638 on average.

CarServiceEstimateShop/Dealer Price
2011 BMW 135iL6-3.0L TurboService typeFuel Pump ReplacementEstimate$900.74Shop/Dealer Price$1124.11 - $1633.37
2010 BMW 135iL6-3.0L TurboService typeFuel Pump ReplacementEstimate$1047.04Shop/Dealer Price$1306.63 - $1925.34
2008 BMW 135iL6-3.0L TurboService typeFuel Pump ReplacementEstimate$1047.04Shop/Dealer Price$1306.98 - $1925.97
2012 BMW 135iL6-3.0L TurboService typeFuel Pump ReplacementEstimate$940.35Shop/Dealer Price$1164.96 - $1687.73
2009 BMW 135iL6-3.0L TurboService typeFuel Pump ReplacementEstimate$1047.04Shop/Dealer Price$1317.13 - $1943.72
2013 BMW 135iL6-3.0L TurboService typeFuel Pump ReplacementEstimate$923.10Shop/Dealer Price$1144.68 - $1665.17
Show example BMW 135i Fuel Pump Replacement prices

Fuel Pump Replacement Service

What is the fuel pump and how does it work?

The fuel pump supplies pressurized gasoline to each of the fuel injectors in a car’s engine. The fuel pump is powered by a compact electric motor and is located in the vehicle’s gas tank. The pressure and output of the pump are controlled by a regulator. Filtration of the fuel occurs either in the fuel tank using a pickup screen or externally with a replaceable filter mounted in the fuel supply line.

When to consider replacing the fuel pump?

A high quality, OEM fuel pump can last indefinitely. However, as with any electro-mechanical component, a fuel pump will eventually degrade and fail. If it fails to produce adequate pressure or completely quits operating, it will need to be replaced. This failed condition can sometimes be preceded or accompanied by one or more of the following symptoms:

  • Car won’t start or unexpectedly stalls and won’t re-start. A failed fuel pump may prevent a car from starting or stall it.
  • Check engine light is on. Sometimes a fuel pump will fail slowly, and that means the fuel pressure and volume slowly degrades. The lack of fuel may result in the engine operating without enough fuel relative to the amount of air, causing the check engine light to appear.
  • Whirring noise from fuel tank. As a fuel pump fails, you may notice a whirring or humming noise coming from the fuel tank area, toward the rear of the car. If the noise is from the fuel pump, failure of the pump is often imminent and you should replace the fuel pump at your earliest convenience.

How do mechanics replace the fuel pump?

  • The fuel pump is tested to be sure it isn’t functioning.
  • Should the fuel pump be faulty, it is removed from the tank through an access panel above the tank in the passenger compartment.
  • When no access panel exists, fuel is first drained from the tank and then the fuel tank must be lowered from the vehicle to gain access to the pump.
  • In all cases, fuel pump supply and return hoses, as well as EVAP system hoses, and electrical connections to the pump must be removed.
  • Once the pump is out, any reusable brackets and pick up screens are attached to the new pump, then the new pump is installed.
  • If the fuel system uses an in-line external filter, a filter is often replaced. All hoses and electrical connections are re-established.
  • Fuel is added to the tank and the engine is run to test for leaks.

Is it safe to drive with a fuel pump problem?

Usually, it’s still safe to drive, but the pump may lead to an overheated engine and catalytic converter. Complete fuel pump failure can leave you stranded out on the road, but many times a car won’t start before initially driving.

However, if the fuel pump problem involves leaks of gasoline or vapors, it is unsafe to continue driving, and should immediately be checked by a qualified mechanic.

When replacing the fuel pump keep in mind:

  • Prior to replacing, the mechanic will power the fuel pump directly to confirm that the issue is a failed pump versus a faulty power supply to the pump.
  • Unless the fuel filter was replaced recently, whenever the fuel pump is replaced a new fuel filter should be installed.
  • When failing earlier than expected, the power supply should be verified because a voltage drop in the fuel pump circuit can lead to overheating.
  • Should the fuel tank be lowered during the repair, the fuel tank straps and fasteners should be checked for excessive corrosion and replaced as needed.
  • The fuel in the gas tank cools and lubricates the fuel pump. After installation of a new fuel pump, it’s wise to keep the gas tank at least a quarter full to maximize the life of a new fuel pump.

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Meet some of our expert BMW mechanics

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Excellent Rating


YourMechanic BMW 135i Service

Average Rating

4.9/5

Number of Reviews

26

Rating Summary
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Steven

13 years of experience
425 reviews
Steven
13 years of experience
BMW 135i - Air Filter - Phoenix, Arizona
Today was my first experience with Steven . Not only was he on time, he called to say he could arrive early if that worked for me! He spent a good 20 mins going over all my questions and educating me on some features in my car that I wasn't sure about. The work he performed exceeded my expectations and he was able to reset my computer! I'm thrilled to have found him and will definitely use I. The near future for any services needed. My fees for the work performed were over half what they would cost at Bmw, plus he removed a brake flush , said I didn't need when the dealer said I did!

Grzegorz

40 years of experience
473 reviews
Grzegorz
40 years of experience
BMW 135i - Brake Pads Replacement (Rear) - San Carlos, California
Did a great job and was professional.

Daniel

20 years of experience
304 reviews
Daniel
20 years of experience
BMW 135i - Camshaft Position Sensor - Houston, Texas
Quick and simple!!! Very good work!!

Dallas

28 years of experience
84 reviews
Dallas
28 years of experience
BMW 135i - Brake Pads Replacement (Front, Rear) - Owings Mills, Maryland
Dallas was great, he change my brakes and check the front and advice it will be wise not to change now because it was still new.

Excellent Rating


YourMechanic BMW 135i Service

Average Rating

4.9/5

Number of Reviews

26

Rating Summary
24
2
0
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24
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Red-stars EXCELLENT RATING ON
Number of BMW 135i services completed
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services done by our mechanics
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