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Search took 0.03 seconds. Search: Posts Made By: RRPhil
Forum: X5 (E53) Forum 06-01-2025, 06:28 PM
Replies: 48
Views: 3,493
Posted By RRPhil
These images are from the link that I already...

These images are from the link that I already posted above :
...
Forum: X5 (E53) Forum 06-01-2025, 09:29 AM
Replies: 48
Views: 3,493
Posted By RRPhil
The inhibitor switch is dowelled into a fixed...

The inhibitor switch is dowelled into a fixed position on the casing. The cable is the only adjustment.
...
Forum: X5 (E53) Forum 05-14-2025, 07:22 PM
Replies: 21
Views: 1,597
Posted By RRPhil
Automatic transmission friction elements have 3...

Automatic transmission friction elements have 3 phases of engagement. The first, the pre-charge phase, is where the back of the empty clutch piston is filled by the hydraulics, pushing against the...
Forum: X5 (E53) Forum 05-14-2025, 11:02 AM
Replies: 21
Views: 1,597
Posted By RRPhil
I’m not familiar with ISTA, but is it capable of...

I’m not familiar with ISTA, but is it capable of monitoring and recording live values for solenoid currents, speeds, etc.? If so, what are the chances that you could capture your low engine speed 5th...
Forum: X5 (E53) Forum 05-02-2025, 06:57 AM
Replies: 9
Views: 926
Posted By RRPhil
Your 1068 020 018 transmission has the 1068 128...

Your 1068 020 018 transmission has the 1068 128 421 Mechatronic unit with the 052 intermediate sheet.
...
Forum: X5 (E53) Forum 08-30-2024, 05:56 AM
Replies: 28
Views: 3,135
Posted By RRPhil
Yes, your transmission will have the stiffened...

Yes, your transmission will have the stiffened A-clutch drum as it was manufactured after November 2000, and also the main pressure valve with the 10mm wide land. That’s not to say that these...
Forum: X5 (E53) Forum 08-28-2024, 11:34 AM
Replies: 28
Views: 3,135
Posted By RRPhil
Is there any way you can determine whether the...

Is there any way you can determine whether the forward gear that the transmission is failing safe into is 4th or 5th? This is significant because it tells us if the A-clutch is responsible. The...
Forum: X5 (E53) Forum 07-30-2024, 02:22 PM
Replies: 13
Views: 1,739
Posted By RRPhil
It may be worth performing the continuity check...

It may be worth performing the continuity check right back at the 40-pin transmission ECU connector as well, just to ensure that the wiring is sound all the way to the inhibitor switch. These are the...
Forum: X5 (E53) Forum 02-29-2024, 06:54 AM
Replies: 31
Views: 5,513
Posted By RRPhil
Is Fuse 1 okay in this fuse block? It powers the...

Is Fuse 1 okay in this fuse block? It powers the engine & transmission ECUs. (This is actually off a L322 Range Rover, but I assume the E53 is the same).
...
Forum: X5 (E53) Forum 02-24-2024, 01:48 PM
Replies: 8
Views: 1,618
Posted By RRPhil
If you do replace it, you want a YZ model...

If you do replace it, you want a YZ model (24007525323).

https://hosting.photobucket.com/images/ii29/GearShift2008/BMW_3.0i_petrol_X5_(USA)_nameplate.jpg?width=1920&height=1080&fit=bounds

If...
Forum: X5 (E53) Forum 02-24-2024, 06:39 AM
Replies: 8
Views: 1,618
Posted By RRPhil
A dodgy 4-5 shift could be down to an accumulator...

A dodgy 4-5 shift could be down to an accumulator issue (possibly a broken spring)
...
Forum: X5 (E53) Forum 01-23-2024, 03:25 PM
Replies: 7
Views: 2,649
Posted By RRPhil
The most common reason for a 5HP24 holding onto...

The most common reason for a 5HP24 holding onto the lower gears is that the fluid is overheating. This is because the controller inhibits upshifts to ensure that the engine revs (and therefore the...
Forum: X5 (E53) Forum 01-22-2024, 09:00 PM
Replies: 10
Views: 1,016
Posted By RRPhil
For genuine ZF parts from an official dealer I...

For genuine ZF parts from an official dealer I would use either JPAT (https://www.jpat.co.uk/) or Sussex Autos (https://www.sussexautos.com/)

Phil
Forum: X5 (E53) Forum 01-22-2024, 07:58 PM
Replies: 10
Views: 1,016
Posted By RRPhil
If it’s STA, then I know that they have a...

If it’s STA, then I know that they have a Hydra-Test machine to test out valve bodies/Mechatronic units and that this represents a substantial investment. I used this same equipment to test out my...
Forum: X5 (E53) Forum 01-22-2024, 11:58 AM
Replies: 10
Views: 1,016
Posted By RRPhil
Getting the transmission out of the vehicle &...

Getting the transmission out of the vehicle & back in again is definitely the hard part. Stripping & repairing the transmission is the easy bit (assuming, of course, that you have somewhere to lay...
Forum: X5 (E53) Forum 01-22-2024, 08:44 AM
Replies: 10
Views: 1,016
Posted By RRPhil
It may be worth removing the Mechatronic unit and...

It may be worth removing the Mechatronic unit and testing the E-clutch port with air pressure to see if the rear stator bush is worn. The E-clutch is used in 4th, 5th & 6th gears and the proportion...
Forum: X5 (E53) Forum 12-09-2023, 07:31 AM
Replies: 23
Views: 1,564
Posted By RRPhil
The only pressure tapping points that exist on...

The only pressure tapping points that exist on later models of the 5HP24 are for the B & E clutches and the torque converter.
...
Forum: X5 (E53) Forum 11-23-2023, 10:39 AM
Replies: 23
Views: 1,564
Posted By RRPhil
Would you consider carrying out the repair...

Would you consider carrying out the repair yourself? By far the worst aspect of the job is getting the transmission out and back into the vehicle afterwards. If you have access to a ramp, or know...
Forum: X5 (E53) Forum 11-16-2023, 07:16 AM
Replies: 23
Views: 1,564
Posted By RRPhil
The 6-speed boxes have a single-piece casing, but...

The 6-speed boxes have a single-piece casing, but the 5-speed is made up from four sections. The bellhousing, the oil pump housing, the main casing and the rear adaptor plate.
...
Forum: X5 (E53) Forum 11-15-2023, 02:38 PM
Replies: 23
Views: 1,564
Posted By RRPhil
As well as the larger torque converter, the ‘034’...

As well as the larger torque converter, the ‘034’ version for the 4.6iS has an extra clutch plate in the D-brake (5 instead of 4) and the upper valve block has different KV-B and KV-E valves. Yes,...
Forum: X5 (E53) Forum 11-14-2023, 05:16 AM
Replies: 13
Views: 1,739
Posted By RRPhil
You’re welcome. Actually, I should have made...

You’re welcome.

Actually, I should have made it clearer that the continuity test is between the positive pin and the four ‘L’ pins.
...
Forum: X5 (E53) Forum 11-13-2023, 08:11 PM
Replies: 13
Views: 1,739
Posted By RRPhil
https://xoutpost.com/844101-post2.html Phil

https://xoutpost.com/844101-post2.html

Phil
Forum: X5 (E53) Forum 11-13-2023, 07:01 PM
Replies: 23
Views: 1,564
Posted By RRPhil
Based on 275/40 R20 front & 315/35 R20 rear tyres...

Based on 275/40 R20 front & 315/35 R20 rear tyres the rolling radius is around 361mm

Axle ratio for the 4.6iS is 3.9091 (i.e. 43/11)

The transfer box ratio is 1:1

4th gear ratio for the...
Forum: X5 (E53) Forum 11-13-2023, 12:20 PM
Replies: 23
Views: 1,564
Posted By RRPhil
Hmmm. Not wishing to be too pessimistic but, as a...

Hmmm. Not wishing to be too pessimistic but, as a worst case scenario (& hopefully it will turn out that there’s a simpler and less costly electrical/electronic cause), you may have had an A-clutch...
Forum: X5 (E53) Forum 11-12-2023, 12:58 PM
Replies: 23
Views: 1,564
Posted By RRPhil
If you start the transmission from cold, will it...

If you start the transmission from cold, will it shift normally for a few minutes before the fluid gets warm and locks into 4th/5th or does it go straight into 4th/5th as soon as you select Drive?
...
Showing results 1 to 25 of 425
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