catalytic system efficiency below threshold bank 2

What is your question?

check engine service light keeps coming on

How long has your 2007 BMW 328xi had this problem?

off and on for a few weeks

Jan 26, 2018

Popular Answer

What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2007 BMW 328xi. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

2007 BMW 328xi auto repair 2007 BMW 328xi estimates 2007 BMW 328xi questions 2007 BMW 328xi problems 2007 BMW 328xi recalls

What is your question?

Popular Answer

catalytic system efficiency below threshold bank 2

What is your question?

check engine service light keeps coming on

How long has your 2007 BMW 328xi had this problem?

off and on for a few weeks

rdbbowl845

Jan 26, 2018

1 Reply

Popular Answer

AskAlexon Jan 26, 2018

This sensor is there to check the efficiency of the cat so this could indicate a faulty cat or the sensor could be bad. You will need hands on testing to be sure. Here is a link to find a shop neary you. https://repairpal.com/repair-shops Alex

Join the conversation!

Popular Answer

What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 2007 BMW 328xi. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.