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X5 E53 (1999 - 2006)
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Old 08-10-2011, 04:24 PM
LoveMy2006X5 LoveMy2006X5 is offline
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Location: Florida
Join Date: Aug 2011
Posts: 3
Mein Auto: United States
Exclamation X5 Suspension Problems - Need Technical Advice!

Hello Fellow Members,

I own a 2006 BMW X5 4.4i with a few problems -

1) Warning Message - "SELF LEVEL SUSP. INACT"
2) Very Rich Fuel Consumption ( getting 10.6 miles per gallon)
3) TPMS Warning Light
4) Intermittent Battery Light

I recently replaced the original dead battery with a Bosch Battery and had a damaged Air Suspension Compressor and R/F Air Strut replaced by an Indy repair shop. The repair shop also replaced a related suspension fuse and relay; but was unable to perform the ride-height calibrations to specs. The ride-height switch is stuck in the mid-level and does not lower or rise my vehicle. I took my vehicle to a local BMW dealer to run diagnostics and got a printout of the fault codes stored in its' memory. The fault codes are as follows:

1) 29CC DME - Combustion Misfires, several cylinders ( Only one occurrence or fault entry due to cylinder cutout)
2) 2E97 DME - Generator ( Only one occurrence and fault entry due to over-temperature)
3) 5DD7 DSC - EHC Ride Height Control, ride heights invalid ( 34 fault entries in frequency)
4) 7F EHC Activity Plausibility, front left ( Only one fault entry in frequency)
5) BD IKE Electronic Braking-Force Distribution ( Frequency Unknown)

The dealer suggested to replace and calibrate the EHC module and L/F height level sensor; but, it did not clarify if the repair would resolve my vehicle's rich fuel consumption. As a result, I have a few questions:

1) I have done my own research on ECM and DSC modules and now wonder if my vehicle's ECM and DSC modules have to be re-flashed with correct factory settings for fuel consumption, new battery, etc.?
2) Or, will the ECM adapt and correct itself after the suspension issues are resolved?
3) Does a faulty Suspension System cause the brakes to grab and therefore cause my vehicle to consume more fuel? ( and also give the above fault code, or am I interpreting that particular fault code incorrectly?)

Thank you in advance for your advice and feedback.

Last edited by LoveMy2006X5; 08-10-2011 at 05:28 PM. Reason: update
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