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  #1  
Old 10-19-2019, 09:36 AM
GP123 GP123 is offline
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Mein Auto:
Fault codes 2A2B 2A2C advice

Hi guys,

need some advice, my 330 i (2008) engine has come up with the following fault codes:
2A2C
2A2B (mixture control)
2F9E (thermal oil sensor)
29E0 (mixture control)
29E1 - (mixture control 2)

Had it looked today by an independent BMW specialist
as the engine makes a hissing sound, and there is a very slight revving of the engine even when the accelerator is not pressed,

The guy said it is the engine vacum is damaged and needs to be replaced

he says it can take a week to compelte as the car will be sent to Derby and it will cost around £700

issue 2 - ABS light has come on with the codes 5dF0 (pump unit failure) and 5DF1 (pump unit plug faulty) - to reconditon the ABS pump it will cost about £300

anyone exprienced any such issues? what were your costs like? any recommended mechanics? I am based in Coventry

Much appreciated
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  #2  
Old 10-19-2019, 10:50 AM
_cruster _cruster is offline
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Mein Auto: 328i
“Engine vacuum is damaged”? That sounds like a vacuum leak somewhere, but that could be a £20 hose - what specifically does he want to charge £700 for?


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Old 10-20-2019, 05:35 AM
GP123 GP123 is offline
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Mein Auto:
Thank you for your response.

I agree it sounds a bit iffy, he suggested that the engine vacuum cover will need replacing,

taking it for a second opinion on tomorrow.
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Old 10-20-2019, 08:46 AM
relative4 relative4 is offline
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Mein Auto: '08 335xi E90 manual
Presumably you mean the valve cover. The valve cover gasket is a common source of vacuum leaks.
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Old 10-20-2019, 09:34 AM
GP123 GP123 is offline
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Mein Auto:
yes valve cover - how much do these cost to repair? or replace?
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