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Search: Posts Made By: Nick P
Forum: X5 (E53) Forum 07-19-2013, 02:35 PM
Replies: 868
Views: 145,603
Posted By Nick P
X3 6-speed box with ATC400 will only mechanically...

X3 6-speed box with ATC400 will only mechanically fit to facelifted X5s ATC500 (both x-dirve), but not to the pre-facelift NV125 (fully mechanical unit, coupled only to 5-speed manuals).
Forum: X5 (E53) Forum 07-19-2013, 01:13 PM
Replies: 868
Views: 145,603
Posted By Nick P
Again - 5-speed and 6-speed manual gearboxes on...

Again - 5-speed and 6-speed manual gearboxes on X5 are not interchangeable!

5-speed box has 1.00:1 ratio in final gear, 6-speed has 0.86.
Forum: X5 (E53) Forum 07-19-2013, 12:14 PM
Replies: 868
Views: 145,603
Posted By Nick P
What I've done only makes sense (if at all) if...

What I've done only makes sense (if at all) if we're takling about V8 engines.

The GS6-X53 box of 6-speed manual X5 won't fit - it has bigger TC input shaft and the lenght is also different, due...
Forum: X5 (E53) Forum 07-19-2013, 03:03 AM
Replies: 868
Views: 145,603
Posted By Nick P
Any thoughts about 2 different TC-types? How do...

Any thoughts about 2 different TC-types? How do you suppose to upgrade the tranny to 6-speed?
Forum: X5 (E53) Forum 03-26-2013, 04:08 AM
Replies: 868
Views: 145,603
Posted By Nick P
Explain, why you need a break-in, if nothing were...

Explain, why you need a break-in, if nothing were done to the engine mechanically?

What is "track tuned" in case of M54 engine in the X5?

What's your boost? With stock RMS-kit boost on stock...
Forum: X5 (E53) Forum 03-24-2013, 03:25 AM
Replies: 868
Views: 145,603
Posted By Nick P
I can responsibiliy say you can't get 400...

I can responsibiliy say you can't get 400 flywheel HPs from the stock M54 just by adding the SC. The very high power barrier for supercharged stock M54 is 300 flywheel HPs, measured on a honest dyno...
Forum: X5 (E53) Forum 01-27-2013, 06:51 AM
Replies: 868
Views: 145,603
Posted By Nick P
I think, as far as you don't participate on drag...

I think, as far as you don't participate on drag racing sessions or do heavy duty off-road trips with your X5 the stock clutch/flywheel combo remains the best.

I only tried out Sachs performance...
Forum: X5 (E53) Forum 01-26-2013, 11:35 AM
Replies: 868
Views: 145,603
Posted By Nick P
New RMS kit is about k6$ + labour and the car...

New RMS kit is about k6$ + labour and the car isn't faster than stock 4.6/4.8, but more fun to drive due to manual tranny.
Forum: X5 (E53) Forum 01-26-2013, 08:10 AM
Replies: 868
Views: 145,603
Posted By Nick P
Supercharged M54 paired to manual tranny would be...

Supercharged M54 paired to manual tranny would be great, still even supercharged M54 leaks huge 75 lb ft (100 NM) compared to 4.6&4.8 versions.
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