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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > less then 1 year old needs new camshaft



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      06-11-2007, 05:59 PM   #1
new2the3
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Exclamation less then 1 year old needs new camshaft

The car turns 1 year old June 27th so I brought it in this past friday for the annual service. (Background) Prior in april the car would not start and they had to replace the ignition, steering column, and immobilizer.

So I take the car in for an oil change, new wiper blades, headlight adjustment, and a ripping/hurling sound coming from the engine at high rpms (4.5k+) and also the muffler makes a metal rattle sometimes on start up and drive off. Lastly, for the past 6 weeks when idling, for example sitting at a red light, the RPMs will flutter by 100rpms up and down constantly till you drive off again. We have two other E90s and neither do this. The RPM fluctuation is very noticeable visually however, you dont really feel it in the car.

Anyhow, they tell me its probably nothing and I could pick up the car at the end of the day. Then I get a message saying a tech spoke with BMW about the rough idle and the solution is to reprogram the cars software and it will be ready on monday.

Today I spoke to my SA and he said they are waiting for a replacement camshaft to arrive tomorrow and I might not get it back tomorrow because it is a very labor intensive procedure. This is the 2nd major repair in under 1 year of ownership and only 9,000 miles on the car.

What work is involved in replacement of the camshaft? Will the engine be removed from the car? etc... Also should I be concerned about the cars reliability?

Thanks for your input.
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      06-11-2007, 06:01 PM   #2
gary328xi
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Under search type Metallic ticking/knocking........
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      06-11-2007, 06:04 PM   #3
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There is no metallic ticking/knocking noise at idle
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      06-11-2007, 06:06 PM   #4
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Quote:
Originally Posted by new2the3 View Post
There is no metallic ticking/knocking noise at idle
Read the whole op yours answers are within that op.
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      06-11-2007, 06:57 PM   #5
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didnt have it done on the e90 but my x5 got an entire new cyl. head, including cam, a year ago, and knock on wood nothing wrong to date! they know what they are doing!
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