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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > N55 Lean Issues



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      09-10-2024, 03:38 AM   #23
wrevilo
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I replaced the lambda probe part number 11787596924 using a Bosch 0 258 027 019 to resolve code 2CF4.
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      09-10-2024, 05:19 AM   #24
Malteser_wfj
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Originally Posted by wrevilo View Post
I replaced the lambda probe part number 11787596924 using a Bosch 0 258 027 019 to resolve code 2CF4.
Perfect great to know that works because that Bosch part is exactly what I ordered.

Did you replace it yourself & if so is it relatively easy to do?
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      09-11-2024, 03:43 AM   #25
wrevilo
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Quote:
Originally Posted by Malteser_wfj View Post
Perfect great to know that works because that Bosch part is exactly what I ordered.

Did you replace it yourself & if so is it relatively easy to do?
I didn't replace it myself. It was tied up with a whole host of N55 works. I think the key thing for replacement is access and whether there is any corrosion.
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      09-24-2024, 05:12 AM   #26
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Quote:
Originally Posted by wrevilo View Post
I didn't replace it myself. It was tied up with a whole host of N55 works. I think the key thing for replacement is access and whether there is any corrosion.
I had to take mine to a specialist in the end but with the new Bosch sensor fitted my lean mixture and multiple mixture fault codes have completely disappeared!!
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