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Tuner Tuesday: 1982 Alpina B7S Turbo Coupe with 20,000 Miles

Continuing on today’s green theme and moving up the pecking order a few notches from the E12 duo from the other day, here we have something of a monster. Alpina offered E24 fans a special treat with a turned up turbocharged variant of the 635CSi that was good enough not only to rival BMW’s own M6/M635CSi, but indeed to better it.

The M88 was already a bit of legend before BMW offered derivatives in the /3 and catalyst-equipped S38. With 256-286 horsepower depending on tune, it was about as good as non-exotic normally aspirated motors got in the 1980s. But Alpina had always had a knack for outdoing the cars their creations were based upon, so in went the turbocharger. The result was impressive in any form; the Turbo Coupe/1 was good for 300 horsepower and could match the acceleration of the M cars. But matching wasn’t enough, so Alpina upped the power with the B7S. Now up to 3.4 liters and good for 320 plus horsepower and nearly 400 lb.ft of torque, it was a car which could rip your face off anytime, anywhere. Like all Alpinas, they were lovingly crafted and full of exquisite detail work and limited to only 30 examples:

CLICK FOR DETAILS: 1982 Alpina B7S Turbo Coupe on Enthusiast Auto

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Tuner Tuesday: 1998 BMW M Roadster Dinan S3

Edit 11/3/2017 – I looked at this Dinan modified M Roadster last August, but there was little information and it hung around for quite a while at $25,000. It has now moved on to a new seller who has taken some more photos and raised the price $4,000. After last month claiming it was an ISR3, the seller has confirmed what our comment from Eric indicated – it’s “just” a S3 Roadster. It has about 1,000 more miles since last year but still looks relatively reasonably priced if you like the color combination and gutsy Dinan modifications – Ed

The other day I was talking with my friend about Turner Motorsports. I first met Will Turner when he was a BMWCCA instructor, just trying to establish his business of selling parts on the side. He and his compatriots all sported E30 M3s; this was, after all, the days before the launch of the U.S. E36 M3. Turner managed to parlay early success in a local modification scene outside of Boston into a countrywide business, and after some time in the club race scene he moved into the major leagues. Success against better funded teams was sometimes difficult, but today Turner is still alive and very much kicking, having become one of the two defacto factory-backed teams running the M6 GT3. To get to that point of factory involvement is an arduous journey to say the least, and few who start out make it.

One other who did was Steve Dinan, who took a niche tuning business from the 1980s into a factory option today. You can walk down to your dealer and order up a fully backed, Dinan modified car. That took a tremendous amount of work and is a testament to the quality of the products on offer from Dinan. They truly take the well-engineered BMWs to the next level, but modifying them to do so can be quite pricey. Take today’s M Roadster, for example. While it wasn’t exactly a cheap car to begin with, with entry level prices in 1998 starting around $42,000. This M Roadster, though, went on to get a further $36,000 in modifications from Dinan:

CLICK FOR DETAILS: 1998 BMW M Roadster Dinan S3 on eBay

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Tuner Tuesday Double Take: 2002 and 2003 BMW M5 Dinan S2s

There are a few select automotive tuners who can take an impressive package and refine it into an even better entity. That group includes legends such as AMG, Alpina and Ruf – all of which are staples of this segment.

Yet they are far from alone. Given the task of improving on what is generally considered to be one of the greatest sedans ever made is no small feat, but if there was one group up to it, it was Steve Dinan’s eponymous company in California.

While just about anyone can take a turbocharged engine and crank up the boost, slap a few stickers on it and call it done, the E39 M5 didn’t come with forced induction. On top of that, it was a motor which wasn’t exactly underdeveloped before it went into production. Nor were the brakes, suspension, or any other aspect of the third gen M5. But Dinan thought they could improve upon them, and with a tremendous amount of work, did.

Dinan went to town on the S62 from start to end. Out came the factory air boxes, air meters and velocity stacks, replaced by Dinan units of larger diameter and better flow qualities, along with larger throttle bodies bored out by the company. This necessitated reprogramming of the computer controls for the engine to match the new flow characteristics. To help the exhaust side of the motor, unique tubular headers were fit to a free-flowing, lightweight exhaust system. While this sounds a bit like old-school engineering, it was successful; the result was an additional 76 horsepower and 51 lb.ft of torque – basically, this was like adding a 1980 Rabbit’s worth of power to an already powerful car.

Dinan coupled the engine mods with a shorter final drive and higher rev-limiter to reach fantastic speeds. The S2 was capable of 0-60 runs around 4 seconds flat and, in unrestricted mode, geared out around 190 mph in 6th. These are still very impressive numbers today, some fifteen years after its introduction! Of course, special forged wheels from the company were added along with their signature suspension. The price was steep, at $36,000 in modifications alone – a further 50% premium on your premium sedan.

Today, you can pick up one of these super-saloons for less than what the price of the modifications cost originally making them one heck of a performance bargain, and I have two to consider for today’s Tuner Tuesday:

CLICK FOR DETAILS: 2002 BMW M5 Dinan S2 on eBay

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Motorsports Monday: 1968 BMW 2002 IMSA RS

The end of Summer has many traditions; the days wane as children head back to school. Temperatures fall as families head towards apple orchards and plan for haunted hay rides. Pumpkin spice is everywhere. But there’s one tradition I’ve particularly enjoyed for the last few years; the live stream from West Sussex, England of the Goodwood Revival.

For me, a lover of vintage cars and especially vintage race cars, it’s a special treat. Both of the events put on by Lord March are impressive in their own right, and if you want to see a little bit of everything the season opener Festival of Speed is probably the venue you should consider. But if you want to see cars and motorcycles from periods you weren’t even alive for race flat-out, the Revival is the one to tune in to. Heavily modified Jaguars, Ferraris, Aston-Martins, and just about everything in between head to the track as combinations of professional and amateur drivers (at least, those with quite deep pockets) take their prized possessions to the limit and sometimes beyond. You might be lucky enough once in your life to witness an original GT40 in person; head to the Revival, and you’ll run across a dozen or so of the model, many of which are driven nearly as quickly as they were originally. This is coupled with period livery and dress on one of the fastest circuits in England, filmed with some of the best cameras out there. The result, as a car lover, is one of the most evocative spectacles conceivable.

Each time I witness a Goodwood event, my love of these race-prepared vintage cars is re-inspired. And though this particular BMW 2002 is just a few years too new to be eligible for competition at the Goodwood circuit, it caught my attention because of the claimed IMSA link. This chassis, while not an original BMW factory racer, was originally constructed and raced in the IMSA RS series in the early 1970s, making it the perfect candidate for vintage racing today:

CLICK FOR DETAILS: 1968 BMW 2002 on eBay

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Feature Listing: 1997 BMW 328is

For the 1996 model year, BMW replaced the 325 with the lightly revised 328 model. Power was up with the new M52B28, good for 190 horsepower and 210 lb.ft of torque. Although the new motor represented only a 1 horsepower net gain, there was now 15% more torque and a broader, more usable power band with the M52. That change alone was enough to slash the best part of a second off the 0-60 time, which now came in 7.3 rather than 8 seconds. The motor was much more than just an increase in displacement; lighter internals, revised intake and exhaust and dual oxygen sensors meant it was more efficient and smoother, too. New wheels, body-color lower moldings and revised kidneys were met with, amazingly, a lower price point as the base price of the 328 coupe fell a little over $500 to approximately $33,000.

‘Meet the new Boss’ continued to be the theme for the 3-series then, which remained the benchmark by which all others were judged. Car and Driver pronounced the chassis as “the definitive sports sedan” and the 328 and M3 models continued their dominance of the magazine’s perennial 10 Best list. That this proclamation came from notorious Bavarian-leaning C&D is perhaps no surprise, but what may shock some is that the 3-series didn’t appear as a winner until the E36 chassis in 1992, while it would go on to place an astonishing and unmatched 22 times.

Yet despite their prowess, we tend to only focus on one model in the range – the M3. Perhaps that’s because of their prolific production, perhaps because of their relative affordability; likely we just take it for granted because the 3-series seems to be ageless in its competency. Certainly, it’s an injustice to the normal 325/328 models, in their own right an excellent choice for enthusiasts. So it was with a big grin that this lovely example of the Coupe came across our feed:

CLICK FOR DETAILS: 1997 BMW 328is on eBay

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