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Author Topic: What does this code stand for.  (Read 1181 times)

Offline andyiseddy02

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What does this code stand for.
« on: February 28, 2021, 06:33:24 am »
Had my BWA engined car in for a health check and they noted
Bfs due 4%. (£65).

Any ideas what it means.

Offline fakie1977

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Re: What does this code stand for.
« Reply #1 on: February 28, 2021, 07:54:40 am »
Could you not ask the garage?


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Offline Jons1001

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Re: What does this code stand for.
« Reply #2 on: February 28, 2021, 09:43:33 am »
Could you not ask the garage?


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This. You would expect them to run through this when you picked the car up so just ring and ask them? And post the answer on here because I haven't got a clue  :grin:

Offline andyiseddy02

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Re: What does this code stand for.
« Reply #3 on: February 28, 2021, 12:42:18 pm »
I have been working through a list of little issues that they flagged up. Trying to prioritises them.
The problem I have is that I can't have my phone with me during the day so ringing them is a problem. I sent them an email but no reply.

The research I have been doing leads me to a carbon solenoid control valve. Easy fix just need to know if it the right thing.

Offline andyiseddy02

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Re: What does this code stand for.
« Reply #4 on: February 28, 2021, 01:55:01 pm »
Brake fluid service.

Offline Jons1001

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Re: What does this code stand for.
« Reply #5 on: February 28, 2021, 02:21:16 pm »
Brake fluid service.

Brake fluid did cross my mind but why the 4% next to it?

Offline rich83

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Re: What does this code stand for.
« Reply #6 on: February 28, 2021, 02:41:51 pm »
Brake fluid service.

Brake fluid did cross my mind but why the 4% next to it?

Probably 4% water in the tested brake fluid

Offline LC5F

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Re: What does this code stand for.
« Reply #7 on: February 28, 2021, 02:48:50 pm »
Brake fluid is hygroscopic, suspect the 4% is how much water it has absorbed.
Ideally brake rake fluid should be replaced every 2 years - from the americanese definition below it sounds like yours is saturated:

"When the brake fluid becomes saturated with water (3.7 percent by volume), that water can boil in the lines and produce steam (the gaseous form of water). Unlike a liquid, a gas is highly compressible. To some this up, when a compressible substance (steam) is introduced into a hydraulic system  (the brakes), that system can no longer function and the pedal will likely go to the floor –not good! Replacing the fluid before it becomes saturated with water (which we will touch on later) is the key to maintaining the dry boiling point."
https://www.turnology.com/tech-stories/brake-fluid-need-know/