how to lighten a e30?

[Jipster]

dudes, I drive a 320i with an auto tranny..... I find the power sufficient most times.... change your diff to a 3.91 or 4.10 (like mine) and the car will come alive!

I also find the M20B20 to be quite revvy...... it will rev happily all the way past 5k rpm if asked and it will do so smoothly.... I've even redlined it once (but my guess is sustained 6k+ rpm on the M20 isnt a very good idea :yes: )

Keep it above 3k rpm and it gives most cars a run for their money ..... I find that you need to push it to get the most out of it e.g. manual downshift from 'D' to 3 etc...... my girl has done 200kmh before prior to diff swap (not bad for 20+ yr chassis ) but it does only 180-190kmh now (due to diff swap)..... (it'll prob do close to 200 if there was enough road....

I'd leave the engine well enough alone and concentrate on maintaining it in the best way you can..... weight loss programme will probably have very little impact unless you are willing to go the track car route, but it would be impractical...... if still kenot tahan, I wd suggest applying at the B25 counter pronto!

 

[Alvin]

Diff in weight is like 80kg's. The M50 vs M20 is less than 50kg's.

What is enough power depends on you. If you are use to playing with Japanese rides & turbo's best that you stick with that unless you have enough $$ to mod your car. BHP = $$.

I've got slightly more power to my ride & i still feel the power. Why??
1. Cause it not JAPANESE!!
2. Force induction
3. Power band is in the mid's & high. So feel is different

No point to lighten car unless every seconds counts on track!

My 1cent!

 

[reedoor]

hi,

bro Zoggee,
y le?

bro blackrobe,
Ooo... sorry... SIS Piedpiper... (dont con me a)

bro Jipster,
changing the ration to 3.91 or 4.10 wud hav a better pick up or topspeed? (tats de gearbox ratio rite?)
honestly i dare not rev my car, even i did rev also was using 3rd gear & RPM goes to around 5 only (bcos my brake doesnt makan... sigh...). So, wat is de save "area" reving de car? but i think i need to strengthen de body 1st. & pls see my below attach picture...

wat do u mean by B25 counter pronto?


bro Alvin,
u mean 318 & 320 chasis is 80kg differ?
sorry but, wat is M50? wat is M20?
hahaha... understand wat u mean... but no, im not comparing with japanese or turbo rides, jus tat bcos i drive a Gti b4, de handling & power is much nicer, so, thinking whether is thr any way to hav a better feel with this car & this engine.
sorry i dont understand wat is "force induction".
u mean power band is mid & high meaning the pick-up might not b tat gud but then later gaining power & top speed will b gud?
thx for ur concern... :lol:

cheers...

 

[zaskar]

Originally posted by Jipster@Feb 15 2006, 12:38 AM
dudes, I drive a 320i with an auto tranny..... I find the power sufficient most times.... change your diff to a 3.91 or 4.10 (like mine) and the car will come alive!

I also find the M20B20 to be quite revvy...... it will rev happily all the way past 5k rpm if asked and it will do so smoothly.... I've even redlined it once (but my guess is sustained 6k+ rpm on the M20 isnt a very good idea :yes: )

Keep it above 3k rpm and it gives most cars a run for their money ..... I find that you need to push it to get the most out of it e.g. manual downshift from 'D' to 3 etc...... my girl has done 200kmh before prior to diff swap (not bad for 20+ yr chassis ) but it does only 180-190kmh now (due to diff swap)..... (it'll prob do close to 200 if there was enough road....

I'd leave the engine well enough alone and concentrate on maintaining it in the best way you can..... weight loss programme will probably have very little impact unless you are willing to go the track car route, but it would be impractical...... if still kenot tahan, I wd suggest applying at the B25 counter pronto!

Jippy don't forget to mention that you run an auto tranny and have converted to m20 motronic with 4.1 diff.

 

[Jipster]

I think I mentioned the 4.1 but not the Motronic .... not to mention top end overhaul + rebuilt auto :lol: ..... zaskar dude, hows yr ride doing?

reedor.... safe revs? Common sense dictates you use the right gear for the right situation (thats for starters)..... never exceeding redline is also obvious.... so are the following - avoid high revs on regular basis (once in a while can lah..... it tells you you are alive :yes: .... and knowing that you are NOT supposed to drag cars with forced induction or big sixes and the like.... but sometimes too many "dont do this" "dont do that" is also boring-lah..... enjoy your car dude, you know whats stupid and whats not!

 

[nikazwaa]

Originally posted by reedoor@Feb 15 2006, 09:33 AM

changing the ration to 3.91 or 4.10 wud hav a better pick up or topspeed? (tats de gearbox ratio rite?)

That's the rear diff ratio.

 

[2cents]

I thot I came across carbon-fibre bonnet & aluminium/ alloy lower arms. Could dose help lower e30 body wt.? :dunno:

 

[zaskar]

Once when i had too much time on my hands, i cleared out my boot, took out the spare tire, removed the rear and front bumper and front passenge and rear seat, looking for hidden rust spots, i decided giving my car a spin, and was i impressed, it handles heaps better and the accel was better also. The car behaves like a different animal.

Probably unloaded abt 80-100kg of stuff from my car that day. Worth considering if the car was consigned to just x-cross or track work but since its my daily ride, got to live wit the extra fat.

 

[Jipster]

Originally posted by 2cents@Feb 14 2006, 11:58 PM
I thot I came across carbon-fibre bonnet & aluminium/ alloy lower arms. Could dose help lower e30 body wt.? :dunno:

Overall, they wouldnt do much BUT .... less weight in the front and less unsprung weight (alum lower arms) are also good from a handling point of view :yes:

If you 'came across' them and the price is right .... go on then! What are u waiting for?

 

[pussy]

Originally posted by PiedPiper@Feb 14 2006, 03:32 PM
I'm guessing you want more power rite? So instead of lightening your car, why not upgrade?? I know these guys are more than willing to help you with that transition... :nyehehe:

somebody called me ? :nyehehe: :nyehehe: :nyehehe:

 

[supergripen]

reedor..power don't come cheap.even lightening costs money!! and unless you go the whole 9yards with lightening,there won't be significant improvements to ur accell'n and handling.

why not meet up and talk to the e30 guys..they have done some terrific stuffs to their cars and u can see,look,learn,choose and apply to ur ride according to ur taste/budget/liking..
soooo much u can do with an e30,such a wonderful platform.use to have one..loved every minute of it.

m50b25 wud be great for the e30.then make it an m50b32 :nyehehe:

 

[reedoor]

hi all,
sorry for late reply...
thx for all de advises... appreciate 'em...

bro gripen,
actually wats those m20, m5o stands for?
is m50b25 a 5series engine? b32 is 3.2ltr a?

as im thinking of resparying my car & need to do some rusted parts, tats y im wondering during my car being "rebuilt", is there anything "inside" de car can b taken out... hahaha... :rofl:

quite alot of rusted area now at my car, i cant tahan it liao... sigh...

& can someone tell me where can i get de windscreen rubber, strut car (heard tat we can use Ultra Racing rite?), & how much can i sell de spoiler like tat 1. Please see my attach picture below...


thx alot!!!

 

[nikazwaa]

wah... is that an E30 with an M30 engine?

 

[nikazwaa]

Originally posted by reedoor@Feb 17 2006, 10:41 AM
bro gripen,
actually wats those m20, m5o stands for?
is m50b25 a 5series engine? b32 is 3.2ltr a?

M20, M50 is the engine code/type. M50 is not necessarily a 5 series engine. It's used in E34s and also E36s.

The B25 usually denotes the engine capacity. B25=2.5litre, B20=2.0litre, so on, so forth.

 

[fabianyee]

Originally posted by nikazwaa@Feb 17 2006, 11:11 AM
wah... is that an E30 with an M30 engine?

that shud be the South African edition of 333i...

 

[pussy]

Originally posted by fabianyee+Feb 17 2006, 01:12 PM-->QUOTE (fabianyee @ Feb 17 2006, 01:12 PM)

 

[535i]

Originally posted by nikazwaa@Feb 16 2006, 10:11 PM
wah... is that an E30 with an M30 engine?

I thot my car ... :yes:

 

[Zoggee]

go here

http://www.bmwclubmalaysia.com/forums/inde...?showtopic=2269

 

[KiNaKa]

Reedor's e30 actually quite powerful in the range of M20b25 Auto. The engine sounds healthy excluded the fan.

 

[reedoor]

hi all,
sorry for replying late.

bro Zoggee,
thx alot for de info, haha...

& yea, Kinaka shud b de only 1 who has really seen my car.
im jus not really happy with de brake, wud like to join u guys for TT hopefully next week to ask some of u sifus...
cheers...