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Oh, picked up a 2001 740 i from a weekend mechanic who

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Oh, picked up a...

Oh, picked up a 2001 740 i from a weekend mechanic who clearly didnt know what he was doing. Got the secondary oxygen sensors connected right and smoothed idle out. .. but now, rough idle, sounds like a diesel... I am thinking its a vanos rebuild. Like the the car...

Mechanic's Assistant: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?

I havent checkec those yet.. .

Mechanic's Assistant: Are you fixing your 740 yourself? What have you tried so far?

Well, the prior owner replaced all the following:

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Injectors, alternator, upper water pump, belts, ok.

Submitted: 7 months ago.Category: BMW
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12/24/2017
BMW Mechanic: Steve, BMW Expert replied 7 months ago
Steve
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