Duchess : The long road to recovery

[d4ngerz0ne]

Bro. R u familiar with M52TU28. My mechanic replaced my M54525i with that. I paid Rm5k for the total works. Also included is his original air-con. My previous air con was a don't know what brand modified and playing the fool with sometimes cold n not so cold.

M52TUB28

142 kW (190 hp) @ 5500

280 N·m (210 lb·ft) @ 3500

6500

M54B25



141 kW (189 hp) @ 6000 rpm

237 N·m (175 lb·ft) @ 3500

6500
The main differences between the M54 and its M52TU predecessor are the non-return fuel system, a fully electronic throttle[1] (without mechanical backup), an electronically controlled thermostat[2] and that the North American engines no longer use an iron block. The M54 uses an aluminium block and aluminium cylinder head with cast iron cylinder liners and, like the M52TU, the M54 features variable valve timing to both camshafts[3] (called dual VANOS by BMW) and a dual length intake manifold (called "DISA" by BMW).

bro dangerzone....I was informed that the B8s have really big piston rod...almost the size of the damper body...?

Hope the pictures help

OEM BOGE

Brand new Bilstien B8 strut (left) vs worn (right)

 

[d4ngerz0ne]

Broken Dust Boot,never a good sign. And yes, filthy.

I hope people see these captions.

Light scoring (vertical) and also imperfections on the strut piston rod. By this point , i'd already completely lost damping functionality of this strut. Going over potholes were a nightmare ,especially at speed. I felt the shock through the shock tower, and let me tell you, it isn't a good feeling.

There was no obvious signs of leakage. On compression test (once removed from car ) , function of the strut seem regular. Then again, it wasn't a very scientific test. lol

Lubricating with a silicone-based lubricant ( i used WD-40 specialist) once a week either mask the extent of the problem and/or prolong its life.

And lastly, in with the new. Inspected the springs, no sign of cosmetic damage/wear so just reused them.

 

[Providence2]

Tks. Bro. Looks like the HP not much different. How critical does the non return fuel plays a part. ? Not much understanding the mechanical jargon.

 

[moots]

yezza...that's the one...the piston rod is huge.....

 

[d4ngerz0ne]

Tks. Bro. Looks like the HP not much different. How critical does the non return fuel plays a part. ? Not much understanding the mechanical jargon.

Sorry Bro, I just took that off wiki .

Anyway, next mod was to change out the damn steering wheel. Was quite surprised at how large the standard steering wheel was.

The impulse-purchase . On the bright side it came with the circular airbag for what i REALLY wanted.

That's right! e46 m3 smg steering wheel retrofit ! this example cost me 1.5k? w/o airbag.

Got the slipring to go with it, if not your paddles won't work. You'd be okay to get a slipring that supports heated steering wheel function.

WIP. I didn't do it myself unfortunately, i did but BMVAuto wanted a minimum 10 nos. purchase of all the OEM connectors that were required. That and i still don't have scantool to clear codes/read faults.

What i've read/they do is thread an additonal harness from the slipring down the steering tunnel ,along the side panel and connected to the gear selector harness, and voila , thats it.

10/10 will do again. Love it on my spirited drives.

This is the best picture of it installed in my car. lol

 

[airtube]

In the general technical explanation and comparison of the M52TU and M54 engine, the below document should be sufficient to explain.

http://www.bmwtech.ru/pdf/e46/ST034/9%20Engines.pdf

The improvement of M52TU to M54 was not concentrated for power and torque requirements. Nevertheless, it was noted that BMW was obliged to at least provide a minor increase in the value in addition to a better performing power & torque curve.

Take note that during the end of 90s decade, Kyoto Protocol negotiations took place which binded many nations and most OEMs to commit in greenhouse gas emissions which includes CO2 emission. Thus, it explains the improvement motive of the M52TU engine in achieving the newly specified BMW emission targets. This improvement is continuous for every BMW engine and vehicle project since to ensure their contribution in reducing global warming.

Hope the exanation is clear on BMW's business strategy and the technical details of M52TU and M54 engine.


Sent from my GT-N7100 using Tapatalk

 

[d4ngerz0ne]

The wheels that came with the car were some crappy taiwan reps. Really didn't like them , went to mudah and found a nice set of style 32s in staggered set up.

Test fitting to ensure proper centre bore

Got them refurbished since it was a little scuffed .Had them finished in a bmw grey for 135rm each i think.

Look at the front wheels, offset is all wrong!

This was before I had the new b8s put in. Got some new centre caps (from Aekagarage) to go , but i don't have a good picture of that.