Jim's E30 335 - Performance Tuner's Nurburgring Project Car

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jimcameron
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Sun Mar 30, 2008 7:31 pm

As some of you'll know, I write for a number of magazines, but PT have kindly allowed me to reproduce my articles here on the Zone. My project started last year, and I've been really grateful for the technical advice and banter on here, so hopefully the output will also be of interest to you lot :D

'Hello Love, I've bought another car...'

Of all the phrases most likely to liven up an ordinary weeknight in the Cameron household, I've bought another car is probably up there with the best of them. I'd probably better point out at the outset that my wife is an extraordinarily patient woman, but she had rightly pointed out that our 7 car household was incompatible with the New Year arrival of the firstborn. Over the last seven months since Tom's arrival, out has gone the RX7, the S8, the Mk 3 Cortina, the S13 200SX, and latterly (and most painfully) the FireBlade engined 7 Type. Smarting from the loss, I was therefore firmly occupying the moral high ground when I was asked to help a mate, Adam, to find the right car for him to do trackdays and weekends at the Nuerburgring.

I take requests to help with car purchases seriously, so I threw myself into the task. Nothing exotic, has to be cheap to fix, and the parts available in Germany. Lots of potential for tuning, and despite how good Mk2 Golfs and 205s can be, I'm sorry, but it's got to be rear-wheel drive. Ultimate speed is nice, but the car will have to hack being left outside, taking luggage, ferry crossings, and the France-Belgium-Holland-German dash with some sort of comfort. The search for the right E30 BMW began.

E30 was the code for the BMW '3 Series' platform produced between 1982 and 1992, and over 2 million were sold worldwide. More to the point, I'd had a passenger lap in a dedicated 'Ring car, a 318is that was just mind-blowingly quick.

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The inspiration - Lasse's E30

I got on the phone to the Danish guy who prepared and ran the car as a syndicate and it quickly became apparent that it had been subjected to more than just a bit of stripping out! The search switched to cars that had already been track prepped.

Inevitably, onto PH classifieds, and into the motorsport - track cars section which yielded immediate results. 24 hours later, we found ourselves at A1 BMW Spares chatting to the owner Adil Loudari standing over what appeared to be the perfect car.

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A1 BMW Spares handles all regular servicing and routine work on the marque, but over the last couple of years Adil, the owner, has increasingly indulged his motorsport interests by race preparing cars for the SELOC BMW championship and for BRITCAR. This particular car he's built for himself, but lack of spare time and pragmatism was forcing him to sell. It's clearly a decision made with the head and not the heart, which was great, because I wasn't using my head at all. I elbowed Adam out of the way and bought it.

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Oh dear. This might be difficult to explain when I get home, but I clearly had absolutely no option but to buy it myself. The RingBeemer joined the household, and I could properly take stock of my purchase. The first thing to come off was the stickers!

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Adil had found the ideal donor, a full service history, three owner, late model car. Over the years the 318iS has attracted a cult following as the 'poor man's M3' with a willing 4 pot and M-Tech suspension, but Adil had bigger plans for this particular car. The E30 model was host to BMW's ubiquitous six pot in the 325, but Adil had designs involving the BMW big block six, the 3.5 litre M30 engine. A low mileage 7 series was sourced as the donor, and it was goodbye 318iS, hello 335i.

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The M30 block has a fabulous reputation, with well serviced examples routinely managing over 200,000 miles. The lure of effortless big six torque has resulted in the M30 transplant becoming increasingly popular, as the weight penalty of the bigger engine is more than offset by the additional grunt. This sounds good in theory, but I was concerned about the dynamic penalties that the lump may impose. A 20 minute test drive reassured me that - at least in the dry - this car has a lot of potential. I think that it also convinced Adil that I was a nutter.

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The standard of the install is just superb. Bespoke Alpina mounts had been imported from Germany, allowing the big engine to be mounted as far back as possible against the bulkhead. Critically, these also allow a new, wider high flow radiator to be fitted, essential to offset the only real weakness of the big block - a reputation for getting too hot. Underbonnet airflow is further aided with ducting and by the removal of the centre lights.

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A lot of work has been put into improving the car's stiffness - noticeable the instant that the car moves off. The shell is completely stripped and caged, with strut braces front and rear. There's a further cross brace under the front subframe, but the test drive revealed that it is low enough to ground in compressions. If the Essex back roads show that up, then I really can't see it making it round the Carrusel intact. In fact, I'm wondering if it'll make it on and off the ferry...

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Adil hasn't skimped with any aspect of this car, and the dropped stance is due to H&R springs with Koni adjustable shocks, lowering the car by 40mm at the front and 60mm at the rear. H&R are a German company, and real Ring specialists, so with some reservations about the ride height, that all bodes really, really well. I'm itching to get the car on track, on the road it feels really sharp, planted.

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A fancy looking carbon fibre intake draws cold air forward of the manifolds, aided by ducting and some rather attractive chrome piping and silicon hose. It all looks the part and does a fine job, but it hides the real party piece below. An Alpina equal length double exhaust manifold neatly dodges the steering rack, directing waste gases into a full length twin stainless system. Blip the throttle and it just sounds superb, blatting a throaty bellow before quickly settling back to a slick, refined idle. A lightened flywheel has sharpened the throttle response but the displacement is betrayed by the ease with which the 335 moves off. The combination of light weight, long gearing and big kahunas means that it is a challenge just keeping the RingBeemer faintly within the rules of the road. It just lopes along effortlessly, and I've got to exercise restraint to keep myself from extending its legs on the way home.

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I check levels, pads, tread. Everything is spot on, and it's going to seriously need to be. The car is to be used as a test bed for tuning, all measured against PBox datalogging to really determine effectiveness of modifications made. There'll be no hiding from the truth here, as all benchmarking is to be carried out at the Ring.
Last edited by jimcameron on Wed Jul 02, 2008 8:06 am, edited 1 time in total.
no2woody
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Sun Mar 30, 2008 10:07 pm

Beautiful :!:
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Sun Mar 30, 2008 10:29 pm

Looks ace mate! i would have bought it too! Make sure you keep us all update with the progess! :D :D
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jimcameron
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Mon Mar 31, 2008 12:46 am

That's the thing with buying a track car already prepared, instant gratification! The first serious outing for the 335 came just three days into the ownership experience. PT had a stand at Castle Combe for the Performance Car Action Day, and so despite having no tracktime booked, a speculative bit of hanging around the paddock office soon yielded tickets to an unwanted 20 minute session, as I found a bloke whose Nova had just lunched itself. Not knowing the circuit, I enlist some local knowledge and PT Editor Matt Robinson wastes no time in grabbing a helmet and I start grilling him as we queue in the pitlane. The session starts, the cars file out onto the circuit and with Matt giving pace notes I try to find myself some space, a little room to get to know the RingBeemer.

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Second session, Editor's girlfriend on board ;)

I've got this half baked idea about taking it easy, but there's a cheeky Clio hounding me. Balls to him, I'm off! Foot down, the 335 pulls well, there's no doubt about that. Out on the track the long gearing makes itself immediately apparent, but there's certainly a lot of torque relative to its light weight. The net result is deceptively quick, the Clio has disappeared from my mirrors and I'm finding myself lining up other cars out of the slower corners in the very long second gear. The cage and bracing really contribute to the rigidity of the shell - it feels tight, although there is some tyre rubbing into the arches in longer bends. There's a lot of grip available from the 205/50/15 Bridgestone Potenza 040s, but on track it feels somewhat underdamped. With adjustable yellow Koni shock absorbers all round, the front dampers are quickly stiffened for a second outing, which improves matters.

I'm not the only E30 owner at Combe. There's a queue of them lining up for power runs on the new DASTEK rolling road run by Paul Shepherd - ShepsEvo3 here on the Zone. Only 100 metres from the track entrance, Circuit Motors has long had an interest in race and performance engineering, and a big investment in a very sophisticated dyno reflects this.

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When new, the M30 lump left the factory in a 1992 BMW 7 Series, knocking out a lazy 208 bhp from 3.5 litres. The block and head are untouched, but I'm hoping that not too much has escaped during the intervening years. The BMW ECU has been reprogrammed, while ram air induction and free flowing exhaust should help breathing. It doesn't disappoint. It's always a nervous business, watching your pride and joy bellowing on the rollers, so I'm delighted when the run finishes and Paul prints the results. The BMW is hitting a surprising 215bhp at 5500rpm, and 215ft/lbs at 4700rpm. Paul's also looked at the fuelling, however, and he sees room for improvement yet. There's a flat spot - no - more like a hole in the torque curve that indicates that there is definite room for improvement. That said, that's more power than an E30 M3 Evolution. Blimey. That'll explain why it is fairly quick then.

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While altering of the front rates of damping is easily made using a key in the top mounts, the rears are much more difficult. Autospeed Tyres in Swindon were really helpful, the car put up on the ramps so that the shock absorbers could be dropped out altogether to be rotated to a stiffer setting. I take the opportunity for a good poke around the brakes and suspension and aside from finding new polybushes all round, I'm encouraged by the excellent condition of the underside, too.

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The handling had worked well at Combe, but unusually for a British summer the BMW had only been run thus far in the dry. The spell of glorious weather ended in torrential fashion just in time for a quick excursion onto track before the 2CV 24hr race at Snetterton. Snett was my local track for some time, and despite the rain I confess I got bored tootling round at the back of a train of cars, being led on the initial slow sighting laps. Approaching the Esses, I decide to have a bit of fun by backing off from the group and dropping it into second to provoke a slide. Whoops. In the blink of a eye I'm facing back the way I came, in the path of an approaching Britcar M3. The back end went round so quickly that I was totally caught out. Recovering, I quickly caught up with the group, trying to look as nonchalant as is possible in a viper striped E30 covered in grass cuttings...

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Rear wheel drive, no weight on the back end, and a hell of a lot of peaky torque makes the 335 a handful in the wet. Not helped by a painfully slow steering rack, slides can be caught but with a fair amount of twirling and fancy hand work. Weight saving and packaging issues deleted the powersteering from the big six block during the build, and led to the need for the longer geared rack. The RingBeemer's got M3 front wishbones permitting aggressive castor, but this also contributes towards making low speed steering an effort.

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Thankfully the brakes are feelsome and the front end proves surprisingly resistant to understeer. Trying third through the Esses doesn't cure the slide, it prolongs it. I'm starting to enjoy myself, although it does occur to me that I don't want to be playing silly buggers like that in Germany, or I'll be purchasing lots of Armco.

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I'm pretty chuffed, to be honest. Spanner checks reveal that everything has been screwed together well; and despite being a stripped out racer with a transplanted engine the 335 feels solid, like, erm, like a BMW. The RingBeemer's big test is still yet to come, however. Back home, I've got four days to check the levels and pack some spares. The ferry is booked, the Nurburgring awaits.
Last edited by jimcameron on Wed Jul 02, 2008 8:09 am, edited 1 time in total.
ShepsEvo3
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Mon Mar 31, 2008 8:10 pm

Thats great Jim, looking forward to the next set of articals :D

This car is seriously quick and when Jim took me out for a passenger ride around Combe last year, the car felt very "playfull" winkeye
E30 M3 Unichip Alpha N style conversions, this is the ultimate for extracting the best out of your S14 M power car.
Also, Live mapping of your Standard Motronic ECU for optimising all your modifications.
www.sabre-tuning.co.uk
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Mon Mar 31, 2008 8:48 pm

Excellant write up Jim :D

Get that extra power out of it fella...Very clean looking example :cool:

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DieselMeister
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Mon Mar 31, 2008 9:22 pm

Cheeky :thumb:

Secretly, I think we'd all like a track tease - props to the ones that make it as far as buying / building one.

All the best for the Green Hell - bimmers are made for it!
jimcameron
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Tue Apr 01, 2008 12:01 am

Cheers :cool:

Pretty good start for it really, it had been sat on PH classifieds for over a month and the Adil had just had the odd loon ringing up. I reckon it looks 100% better without the stickers on it - but decided to leave the viper stripes winkeye - I love 'em!
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Tue Apr 01, 2008 9:13 am

Very interesting read, pretty sure I've seen this car at the ring in August last year. Good luck with it and look forward to hearing how it goes.
jimcameron
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Tue Apr 01, 2008 4:47 pm

You did - I was out there most of August :thumb:
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Wed Apr 02, 2008 7:56 pm

cool car jim :cool:
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Wed Apr 02, 2008 8:06 pm

A very entertaining write up. :cool:
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tlee
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Wed Apr 02, 2008 10:11 pm

I knew Adil owned that car through seeing an old thread on a different forum. I've only known Adil for a short time since I bought a 328 a couple of months ago to turn into a track car - which Adil has done fantastically for me. I always hoped I would get to see the car in the metal but little chance of that now!

I trust you will enjoy it :)
jimcameron
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Thu Apr 03, 2008 12:19 am

:cool: Kind words :thumb:

Well, the order to tune a car in is service, safety, brakes, handling, then power - right?

I figured that Adil had done a good job sufficiently for me to cut out the dull stuff and go straight to MORE POWER winkeye

First things first though, need to find out how well it really goes.

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Thu Apr 03, 2008 12:24 am

:cool: :cool: :D
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Fri Apr 04, 2008 9:46 am

great write up jim, nice looking car too,proper clean example. you even start to love the viper stripes at the end. i think we all know what you mean about the wet weather! :mad: its scary when your facing a direction that you just came from lol. good luck with the car mate and lets hope you can get more power out of it.
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Sun Apr 20, 2008 8:26 pm

Love the car mate, and the stripes rock!
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Sun Apr 20, 2008 11:11 pm

[quote="jimcameron

Image :mrgreen: :mrgreen: :mrgreen: :mrgreen: :mrgreen:[/quote]

Jim, your car certainly brightened up that boat park lol.
E30 M3 Unichip Alpha N style conversions, this is the ultimate for extracting the best out of your S14 M power car.
Also, Live mapping of your Standard Motronic ECU for optimising all your modifications.
www.sabre-tuning.co.uk
ShepsEvo3
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Mon May 19, 2008 6:12 pm

Jim, anymore news on the next artical?
E30 M3 Unichip Alpha N style conversions, this is the ultimate for extracting the best out of your S14 M power car.
Also, Live mapping of your Standard Motronic ECU for optimising all your modifications.
www.sabre-tuning.co.uk
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minimatt1967
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Tue May 20, 2008 4:23 pm

That looks like a shed load of fun!!!! Ideal for a bit of ring bashing :wink:

Me thinks a 318i badge needs to be added for comedy effect!!
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georob
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Tue May 20, 2008 4:32 pm

Top write up and top car!!
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E30 x 2 - Tourings (1 x M50, 1 x M40)
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Mon Jun 02, 2008 8:18 am

...sorry fellas, been monstrously busy. I'll update this shortly...
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Mon Jun 02, 2008 7:15 pm

This thread just makes my fingers itch! Really wish I had the time and cash right now to start my project after seeing how much fun other people are having with theirs. Great thread mate, keep it coming :D
Not in E30s any more :(
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Mon Jun 02, 2008 9:29 pm

SOOO what time did you get?? :D winkeye winkeye
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ShepsEvo3
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Sat Jun 21, 2008 3:09 pm

Boing, boing.. BUMP! :D
E30 M3 Unichip Alpha N style conversions, this is the ultimate for extracting the best out of your S14 M power car.
Also, Live mapping of your Standard Motronic ECU for optimising all your modifications.
www.sabre-tuning.co.uk
Nelly
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Sat Jun 21, 2008 3:59 pm

I know that car well Jim - i currently have the original IS engine from it sitting in a Breyton clad IS needing subframe bushes to sell on.

Adil is a top fella, knowen him for 14 years now and get up to the work shop about once a fortnight to do abit of work.
Am now awaiting the sponsership stickers from him for my track Tourer - big boys toys are so much more fun than "Lego" :lol:

Neil.

p.s. took your time getting this up on the Zone - you must of bought this motor nearly 2 years ago now at a guess?
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jimcameron
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Wed Jul 02, 2008 8:03 am

Cheers Neil, love the look of the Tourer. Adil has been massively helpful, what he doesn't know about these conversions now isn't worth knowing. I regularly check back with him when I'm stuck, often at strange times, often from abroad and he's never failed to know the answers. Top bloke.

I'm just about to start writing the next feature for the magazine on Shep's monumental efforts on the rolling road - so in the meantime... this is how the RingBeemer got on during a summer spent at the Ring:

http://video.google.com/videoplay?docid ... 2130&hl=en

And a relatively quiet full lap:

http://video.google.com/videoplay?docid ... 2359&hl=en
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Wed Sep 17, 2008 10:08 pm

i saw this beastie at the weekend while we were playing at the ring... you should pop over and give it a polish :wink:

martin in the guesthouse was rather amused at mine being nearly the same spec but a touring sleeper! Damn nice fella, seems to be in safe hands

you heading over to play with it soon? winkeye
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ShepsEvo3
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Sun Oct 05, 2008 9:42 am

Jim, any updates?
E30 M3 Unichip Alpha N style conversions, this is the ultimate for extracting the best out of your S14 M power car.
Also, Live mapping of your Standard Motronic ECU for optimising all your modifications.
www.sabre-tuning.co.uk
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SHAZ1
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Thu Oct 09, 2008 7:01 pm

Hi who is Adil?
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