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E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 02-10-2015, 02:46 PM
taifuller taifuller is offline
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Location: NC
 
Join Date: Feb 2015
Posts: 4
Mein Auto: E60 530i
Tachometer / Engine Issue

Long time fan of the site - I always come here to learn about my E60. Recently I've been trying to identify the root cause of an issue I'm experiencing.. well two actually and I think they are related.

Issue 1: While cruising at whatever speed on an even road I've noticed the tachometer will bump up slightly at a regular interval.

I uploaded a video here:



Issue 2: When the engine is warmed up and I'm lightly accelerating from a stop or low speed there is a stutter / jitter when shifting from 1st to 2nd or 2nd to 3rd.


Details:

149k miles on the car
Automatic
Changed plugs about 10k ago
Checked for vacuum at the oil fill (felt good suction)
I do not have the previous owners service records

I have not checked the DISA valve but I do not hear any noises from that area.
Not sure about the transmission or torque converter
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  #2  
Old 02-11-2015, 10:26 AM
toga94m toga94m is offline
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Location: Upstate NY
 
Join Date: Apr 2012
Posts: 135
Mein Auto: 2006 530xiT
Is the tach blip when you're using cruise control, or just your foot? Does it only happen when you're set at 80mph, or would it do the same at 75 or 85? It looks like cruise trying to boost speed just a hair, then coasting, then wind drag slows you down, then it boosts RPM again, repeat. Can you hear the engine speeding up slightly? Does speedometer pulse also?
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2006 530xiT 6MT - 130k miles - 3rd owner - sport & cold packages
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  #3  
Old 02-11-2015, 11:43 AM
taifuller taifuller is offline
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Location: NC
 
Join Date: Feb 2015
Posts: 4
Mein Auto: E60 530i
Quote:
Originally Posted by toga94m View Post
Is the tach blip when you're using cruise control, or just your foot? Does it only happen when you're set at 80mph, or would it do the same at 75 or 85? It looks like cruise trying to boost speed just a hair, then coasting, then wind drag slows you down, then it boosts RPM again, repeat. Can you hear the engine speeding up slightly? Does speedometer pulse also?

Thanks for the reply-

It happens on both cruise and foot
Happens at any speed as long as the road is flat (not going uphill or downhill)
Speedo doesn't pulse at all
I do not hear any changes in engine
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  #4  
Old 02-11-2015, 12:51 PM
aber57 aber57 is offline
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Location: Ponder texas
 
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Mein Auto: 2007 550i 6MT
Has the vehicle been scanned for codes?
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  #5  
Old 02-11-2015, 01:15 PM
toga94m toga94m is offline
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Location: Upstate NY
 
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Posts: 135
Mein Auto: 2006 530xiT
Can you force the transmission into a different gear, so the RPM is different but at the same speed and horsepower requirements? though if the engine sound doesn't burp up with the needle, I'd lean toward a mechanical issue on the dashboard cluster vs anything actually wrong with the engine/trans. I'd think you'd be able to hear (or even feel) that sort of blip.
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2006 530xiT 6MT - 130k miles - 3rd owner - sport & cold packages
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  #6  
Old Yesterday, 05:38 PM
taifuller taifuller is offline
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Location: NC
 
Join Date: Feb 2015
Posts: 4
Mein Auto: E60 530i
Quote:
Originally Posted by aber57 View Post
Has the vehicle been scanned for codes?
I haven't had it scanned at the dealer or an Indy. I plan to do that this coming weekend. Autozone/Advanced didn't pull anything. As I understand it, they can not scan for all the codes that the dealer/Indy can. Is that correct?
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  #7  
Old Yesterday, 05:43 PM
taifuller taifuller is offline
Registered User
Location: NC
 
Join Date: Feb 2015
Posts: 4
Mein Auto: E60 530i
Quote:
Originally Posted by toga94m View Post
Can you force the transmission into a different gear, so the RPM is different but at the same speed and horsepower requirements? though if the engine sound doesn't burp up with the needle, I'd lean toward a mechanical issue on the dashboard cluster vs anything actually wrong with the engine/trans. I'd think you'd be able to hear (or even feel) that sort of blip.
Thanks for the reply and suggestion. I'll try that tomorrow on my commute. I've also noticed when warmed up and running for a while at time when in Park, I can hear a difference in idle when standing outside the care. I can hear something clicking on and off. I imagine it's the A/C compressor and will test to ensure that is what it is.

I've noted that I do not have this issues until after the car has been running and driven for a while. Maybe it's an issue with engine temp or the map of how it's supposed to run at a particular map.
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