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Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 04-23-2012, 12:33 PM   #1
aggieE46
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Question about cam sensors as general maintenance

Hey Guys,

If you follow my thread you know that I'm getting ready to hit the dyno. I am pushing 163k on my motor. Original cam sensors. I was going to pull my vanos to clean the solenoids and possibly replace the springs. I thought about replacing my cam sensors while I'm there.

Opinions? Should I do them as general maintenance? Are they an off or on thing? Would I be losing any performance due to age or are they just either working or not working? I'm not getting any codes, just want to be safe.

Also, I haven't read/searched in a long time, but I remember reading somewhere to make sure to get OEM (No Meyle). I thought I recalled reading about buying updated OEM pieces, too. Is there something specific I should look for when buying?

Thanks
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Old 04-23-2012, 09:23 PM   #2
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Originally Posted by aggieE46 View Post
Hey Guys,

If you follow my thread you know that I'm getting ready to hit the dyno. I am pushing 163k on my motor. Original cam sensors. I was going to pull my vanos to clean the solenoids and possibly replace the springs. I thought about replacing my cam sensors while I'm there.

Opinions? Should I do them as general maintenance? Are they an off or on thing? Would I be losing any performance due to age or are they just either working or not working? I'm not getting any codes, just want to be safe.

Also, I haven't read/searched in a long time, but I remember reading somewhere to make sure to get OEM (No Meyle). I thought I recalled reading about buying updated OEM pieces, too. Is there something specific I should look for when buying?

Thanks
Get OEM, I got the cheaper ones they worked great for 2 weeks. The updated design of the cps aren't stepped. Same diameter as the base of the old design all the way to the tip of the updated sensor. These sensors either work or they don't. If they are failing you will have a horrible idle, casino effects for starting. (may start may not, takes a few tries) Misfire codes. It's a simple pulse sensor for the cams. Nothing to worry about.
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Old 04-23-2012, 10:23 PM   #3
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Thanks for the reply. I'll check and see if these fit the bill.
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Old 04-24-2012, 08:17 AM   #4
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As far doing while your in there, I've had to replace mine and it was ~5 minutes job. Access is very easy, all done with the simplest of hand tools. So unless your having issues (which you aren't) there isn't really a reason to replace them. If they do decide to go out sometime down the road it will be just as simple to tackle it then.
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Old 04-24-2012, 10:18 AM   #5
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You know, I do have issues with starting every once in a blue moon. I just get nothing. I wonder if that's the issue. Initially I thought it was my ignition module. I changed it out and still had intermittent issues. Then my starter went out. I attributed it to that. Then it happened again every once in a while. For the price, I'm just going to get them. I'll keep my old ones for spares. I've already emailed the company for them to check the design.

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Get OEM, I got the cheaper ones they worked great for 2 weeks. The updated design of the cps aren't stepped. Same diameter as the base of the old design all the way to the tip of the updated sensor. These sensors either work or they don't. If they are failing you will have a horrible idle, casino effects for starting. (may start may not, takes a few tries) Misfire codes. It's a simple pulse sensor for the cams. Nothing to worry about.
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