E30 Zone

What head bolts are you turbo guys using in your m30? Or anyone else who might be using or know of good aftermarket head bolts.

I am looking for some aftermarket head bolts for the m30. Anyone know of any that are good and where to get them? I looked into metric blue head bolts but I could only find the specs for the m20 head bolts so I am not sure if the offer them. If any has the specs for the m30 head bolts that could als...

Im using the e30.de ones and mostly likely engine position 3 or maybe 2.5

Can or has anyone measured how much room you have for the exhaust header with a m30 when put in a e30? This is the header im looking at, the owner doesnt know the brand but it came off a 1984 633csi, do they look familiar to anyone? http://i22.ebayimg.com/06/i/000/7f/70/ac07_1.JPG http://i5.ebayimg....

That is nice work and some good pictures to go along with it. I am interested in seeing the outcome once your done. Is the power graph with the alpina bottom end and the higher CR? What would you reccomned as far as a full standalone, megasquirt or something else? And if you had to guess what kind o...

Andy, what standalone are you using, what size injectors, and do you know what kind of numbers you are putting down with that setup. And do you have any more pictures of that intake manifold, maybe of the process and of the other side.

Thanks for all the info

Anyone else got any advice besides going full standalone.

Also this is a track only car.

How much of a wilder cam? I didn't want to go to wild b/c of the pistons now being domed with valve pockets, and would think to much lift might cause it to be more likely a valve could hit a piston.

Yeah I know its not very economical but this what I decided on doing and if I get anything over 200hp at the wheels I'll be happy. I've already started on the engine work and have the resources so the machine work and assembly won't cost me as much as you would think, and I am a big fan of n/a power...

I am doing a m30 swap into my e30 and I am looking for some ideas for tuning. The m30 I will be using will be a built n/a setup with: custom 10.5:1 pistons .5 overbore port and polished head 5 angle valve job probably a 284 cam 19# injectors (maybe bigger if needed) I am going to keep the motor n/a ...

Z3 rack - 53.5 mm/rev - by far the quickest rack you can fit.

Is that all racks from any z3 or is there a difference in the years or what engine it has.

thanks

Does anyone know how fitment of a z3 rack would be on a left-hand drive e30? Also, if the left-hand e30 had a m30 in it how would the fitment be?

thanks

thanks for the info, only problem is the pistons have already been ordered and are being made to be used with the stock rod length, guess maybe I should have asked this question earlier but I figured the stock rods would be strong enough. How much longer are the S38b35/6 rods?

rpm limit will probably be around 6500 maybe 6800 but no higher than 7000

On that note what rpm limit do you guys think I should use with this engine?

I am building a N/A m30 to put in my e30 and have a question about the strength of the stock m30 rods. First here is the jist of what is going to be done to the engine: custom 10.5:1 pistons .5 overbore, hone, resurface head port/polish, resurface 3 angle valve job probably a 284 cam dual valve spri...

Go to this site it has a complete write up with pics, it should answer most of your questions.

http://www.jaredsquires.com/ndp/335i/m30/

After reading that you will be able to ask more specific questions which will yeild quicker and more precise responses.

maxfield wrote:Making the car lighter = Free

yes that is a good place to start, if its going to be a track car only take out the entire interior including all the sound deadening

when i finally got all my sound deadening out i think it was close to 60lbs.

no insurance, most insurance companies won't insure your car if its a race car unless you go through a company that does and it wouldnt be cheap as for suspension i run the J-Stock kit from Turner Motorsports and love it. If you want something a little cheaper you can go with H&R race springs and Bi...

possibly your afm, mine did something similiar when accelerating it would studder at about 5000 rpm then pick up and go to red line.

changed my afm and it fixed it

I don't have a thread yet b/c I havent got much done besides research and having bought an already disassembled engine and gathering a few parts. But once I start I will make a thread. If only you had started this a month ago I had some low comp pistons for this engine I could have sold you since I ...

are you using a m30b34 or b35 if you are using the m30b35 the stock CR should be 9:1 I am also currently doing a full rebuild on a m30b35 and probably going to get custom pistons made to go up to 10.5:1 which i think the stock rods will be able to handle with probably a .5 overbore. Then getting all...

OK, so what is the concensus here? When I am done with the motor it will probably only have maybe 50hp more than stock, can the stock rods handle that, it seems to me they would be able to? I still have the ones from the m30 I'm rebuilding and they look to be in great shape but I could get new oem o...

yeah i plan on using all arp bolts, just trying to figure out if i will have to get rods made also which i would like not to even if i had to drop the comp ratio to 10.5:1

how much rev can the stock rods handle?

I am building a high comp m30b35. Probably going to go up to 12.5:1 comp ratio.

My first question is how strong are stock rods? I would like to use the stock rods with the custom pistons if I can. And if 12.5:1 is to much for them what can they handle?

Thanks for any help

here is a thread about it on e30tech
http://www.e30tech.com/forum/viewtopic. ... ght=carbon

might be of some help

I am having trouble with an item that was supposed to be shipped from Germany and the image of the receipt I was sent is in German and I am having trouble tracking it but it could be because it hasn't been shipped. Which brings me to my next question, has anyone heard of these guys http://www.bmwcre...

this link might help

http://en.wikipedia.org/wiki/BMW_M30

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aftermarket m30 head bolts

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Re: M30 tuning question

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Re: M30 N/A Build, stock rod strength

M30 N/A Build, stock rod strength

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Re: Starting my M30 swap into an E30

Re: stock rods & custom pistons

Re: stock rods & custom pistons

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stock rods & custom pistons

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Anyone here in Germany

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