She wasn't to happy about the recall notice we got for the E70 with about the killer airbags and no replacement available.

Then we also found out about the electric water pump failure rate.

She wasn't a happy camper so she is in the safe reliable E53 now.

I just completed 100% suspension overhaul all round. Also replaced the brakes and rear air suspension. Taking her for alignment this coming week. Installed H&R lowering springs (front) and bilstein touring all around.

I added 6K HIDs to the fogs yesterday.
Just gotta get matching low beam bulbs one of these days.

Any of you know a trick to opening the port cover for the angel eyes. I cannot get that shit open at all.
Turns about 45 degrees and no more.
Haven't tried the driver side tho.


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Not sure on your headlights. Mine are the adaptive ones and have a flip down door to get to them.

Yeah sorry, the not the cover itself, under that cover the bulb will not budge.


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Hey everybody, new guy here with a 2005 X5 4.4, the problem child N62 engine. Bought her used and have replaced the rotors and brakes all around plus a transmission fluid swap, transfer case fluid swap and doing the differential next.

Good information here.

Replaced the nasty old piston ring on the WABCO air suspension pump with a $14 kit off ebay.

Hopefully this will eliminate my accumulator requests filling errors on the system.

Here is what a 110,000 mile WABCO piston ring looks like.

https://lh3.googleusercontent.com/cZ...a=w668-h890-no

https://lh3.googleusercontent.com/JB...1=w668-h890-no

The outer surface of the ring was severely pitting.

The cylinder bore had scratches in it so I touched them up with a little fine sandpaper to knock down some of the fine ridges that the old ring had worn into the bore.

Will see if this solves the issue and for how long :dunno:

Update: took a short ride this evening for groceries and gas and the "Self Level Suspension Inactive" code did not appear during the drive. For now the new piston ring appears to have been the solution. (fingers crossed that this continues to be the case ;) )

Update 2/17/2018: after about 400 miles of driving, the air suspension code remains OFF and the air suspension continues to function normally.

Mike

I'm so glad you posted that. I had a single event where I got a light on the dash for the suspension. I turned the car off then back on and it cleared. If there are simple fixes for such problems gives me hope that if mine breaks it may be a simple fix


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My SLSI fault would come on immediately after vehicle start and would not self clear. Once I cleared it with a Creator 310+ scanner it would pump a little then stop. The Indicator position light on the dash control remained illuminated during the fault indication.

It would appear that due to the raggedy piston ring and scored bore condition, the pump was unable to achieve proper pressure or overheated quickly.

Bagpipinandy says the pump in proper condition should make 265psi or about 18bar.

If one has an older air suspension system (all E53s are old at this point...LOL) you may as well do this repair because that old piston ring can’t run forever and the original ring material does not appear to lend itself to a smooth wear, the wear of the ring revealed pitting of the side which ultimately scored the piston bore :dunno:

Mike

My x5 is currently at 250k miles and I’m starting to get squeaks and slow steering... do you know of any tutorial videos to fix the problem?