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Supercharger for BMW #418851
9th Jul 2010 6:55pm
9th Jul 2010 6:55pm
Joined: Sep 2009
Posts: 417
birkenhead
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Neil_c Offline OP
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birkenhead
I've got a heavily modified E36 that's had a fair bit of work done to squeeze every last bit of HP from it including replacement cams, ECU and exhaust. It's not bad for it's age and is still capable of going off the speedo 155mph + (or so i've heard). It used to belong to the guy who owned DRP motorsport in Hoylake.

I was just wondering if anyone has had any experience with superchargers for these cars? I've seen some online for about 5K but it would only put about a second less on the 0-60mph (which it can do in about 6 secs). For 5K, i was also worried about it being directly behind the bumper in case it had a little smash.

What does everyone make about the blowers that you can get off ebay that go on the air intake pipe? Are they crap?

Thanks,

Neil.

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Re: Supercharger for BMW [Re: Neil_c] #418856
9th Jul 2010 7:15pm
9th Jul 2010 7:15pm
Joined: Dec 2003
Posts: 8,019
my house
Sanchez Offline

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Sanchez  Offline

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my house
junk mate, speed is a question of money, Id sell the car and buy something from the factory thats quick wink


Uncertainty or not knowing causes depression, Im happy because I know I'm going to die one day!
Re: Supercharger for BMW [Re: Sanchez] #418861
9th Jul 2010 7:32pm
9th Jul 2010 7:32pm
Joined: Dec 2003
Posts: 5,683
Bebington, Wirral
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DavidB Offline
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DavidB  Offline
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Bebington, Wirral
Do you mean 12v electric superchargers?

I'd also go down the M3 engine route. I wanted to do this to a 2002, but was beyond my skills and just lost interest.


"C20 LET bang"
Re: Supercharger for BMW [Re: DavidB] #418863
9th Jul 2010 7:40pm
9th Jul 2010 7:40pm
Joined: Sep 2009
Posts: 417
birkenhead
N
Neil_c Offline OP
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Neil_c  Offline OP
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birkenhead
yeah the 12v electric ones, are they crap I take it?

The good thing about getting factory is that you don't have to get mod insurance. I suppose the car is ageing and not worth spending a great deal of money on.

Re: Supercharger for BMW [Re: Neil_c] #418866
9th Jul 2010 7:49pm
9th Jul 2010 7:49pm
Joined: Feb 2009
Posts: 1,952
tranmere
chris_gilly Offline

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chris_gilly  Offline

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tranmere
bollox neil, restrictive at the best!

Re: Supercharger for BMW [Re: chris_gilly] #418868
9th Jul 2010 8:17pm
9th Jul 2010 8:17pm
Joined: Sep 2009
Posts: 417
birkenhead
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Neil_c Offline OP
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Neil_c  Offline OP
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birkenhead
saw this one: ebay If only 15 would make the car go faster!

Re: Supercharger for BMW [Re: Neil_c] #418884
9th Jul 2010 8:59pm
9th Jul 2010 8:59pm
Joined: Feb 2009
Posts: 1,952
tranmere
chris_gilly Offline

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chris_gilly  Offline

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tranmere
bollock bud, it will restric more than anything!

Re: Supercharger for BMW [Re: chris_gilly] #418901
9th Jul 2010 11:03pm
9th Jul 2010 11:03pm
Joined: Sep 2009
Posts: 417
birkenhead
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Neil_c Offline OP
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birkenhead
and cause the alt to have to work harder. I love the way it comes with a switch to wire straight to the battery lol.

Re: Supercharger for BMW [Re: Neil_c] #418912
10th Jul 2010 1:29am
10th Jul 2010 1:29am
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Posts: 13,588
Birkenhead
diggingdeeper Offline

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Birkenhead
I also like one advert that claims it extends engine life think

The electric ones will improve power at lower revs but haven't got the power at higher revs. I am surprised nobody has brought out a hybrid system, electric and pulley driven, as each counteracts the other's shortcomings but turbos seem to be the order of the day.

I wonder if anyone has come up with an active exhaust extraction/decompression system? Turbos must increase the pressure at the exhaust, this is an inefficiency which must be similar to the power required for a supercharger.

I laughed at another gimmick where one was powered from the vacuum line - this would mean you were extracting air from the vacuum line and then pumping air in before it, overall this has got to lose power not gain, alright if you just want a "shiny" under the bonnet but no good for Santa Pod.


The further you are down the pay scale, the more 'essential' you are when the s--- hits the fan... Sue Farbysmith 2020

Insults are engendered from vulgar minds, like toadstools from a dunghill - Charles Caleb Colton

We don't do charity in Germany, We pay taxes. Charity is a failure of governments' responsibilities - Henning Wehn
Re: Supercharger for BMW [Re: diggingdeeper] #418940
10th Jul 2010 9:35am
10th Jul 2010 9:35am
Joined: Sep 2009
Posts: 417
birkenhead
N
Neil_c Offline OP
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Neil_c  Offline OP
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birkenhead
The one thing I find mad about the e36 is that it constantly heats the mirrors, even if they need it or not. I reckon that would effect fuel consumption by a few miles per tank of petrol.

As for snow, rear wheel drive is poo. Had to sit the girlf in the back seat for a bit of ballast at the start of the year!

Re: Supercharger for BMW [Re: Neil_c] #418943
10th Jul 2010 9:55am
10th Jul 2010 9:55am
Joined: Jun 2005
Posts: 541
prenton
sean Offline
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sean  Offline
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prenton
sell the beemer and get a scooby or an evo

Re: Supercharger for BMW [Re: sean] #418946
10th Jul 2010 10:09am
10th Jul 2010 10:09am
Joined: Sep 2009
Posts: 417
birkenhead
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Neil_c Offline OP
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Neil_c  Offline OP
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birkenhead
I have thought about it but they'll all do about the same top end and whislt the sub and evo are between 1-2 secs quicker on 0-60; I get 35mpg, they'll struggle to do about 20 - 25mpg. Plus insurance, tax and servicing are more.

For a car I drive about once a week, it's not really worth it.

Last edited by Neil_c; 10th Jul 2010 10:10am.
Re: Supercharger for BMW [Re: Neil_c] #418948
10th Jul 2010 10:17am
10th Jul 2010 10:17am
Joined: Nov 2003
Posts: 12,002
Wirralshire
StuyMac Offline
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Wirralshire
Electric superchargers are junk on the whole. They can do something for very small engined cars where the air demand is quite low, but on a big cc car they cannot keep up with the air demand, and cause a restriction in the intake.

What BMW do you have? If your knocking on the door of 155, then you are already at M3 speeds omg

Id think about spending money on suspension / brakes and keep the car normally aspirated as it will be far more reliable.


What If There Were No Hypothetical Questions?
Re: Supercharger for BMW [Re: StuyMac] #418956
10th Jul 2010 11:31am
10th Jul 2010 11:31am
Joined: Sep 2009
Posts: 417
birkenhead
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Neil_c Offline OP
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Neil_c  Offline OP
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birkenhead
It was orginally a 323 / 2.5 M52 engine. It produced 218bhp last time it was tested. I'm not sure if the gearbox is original, although Getrag boxes were fitted on e36's. It's had a short-shift kit fitted. Haliwell Jones seemed impressed with it for the car's age last time it was in.

It's had Bilstein suspension on it since almost new. The garage that modded it never touched any part of the air intake so it's all standard. The exhaust is 328 type, dual right the way from the manifold.

Optimax does make a noticable difference to performance.

Attached Files DSC00277.JPG
Last edited by Neil_c; 10th Jul 2010 11:45am.
Re: Supercharger for BMW [Re: Neil_c] #418959
10th Jul 2010 12:17pm
10th Jul 2010 12:17pm
Joined: Aug 2005
Posts: 16,232
New Brighton
_Ste_ Offline
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New Brighton
Originally Posted by Neil_c
The one thing I find mad about the e36 is that it constantly heats the mirrors, even if they need it or not. I reckon that would effect fuel consumption by a few miles per tank of petrol.

As for snow, rear wheel drive is poo. Had to sit the girlf in the back seat for a bit of ballast at the start of the year!


A set of decient tyres will sort that, my e36 has some kind of electrical fault atm which is quite annoying, when i brake the stereo turns down, when i accelerate it turns up! omg Oh, and the windows won`t go up or down once the engines been started???

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