1992 BMW 525tds Touring

The story behind BMW’s foray into diesel power in the U.S. was pretty interesting. BMW had developed the M21 2.4 liter turbocharged inline-6 diesel in the 1970s with fuel prices rising; it finally launched in the early 1980s with the E28 524td. But you probably best know that motor for its appearance in mid-80s American iron; an attempt by Ford to improve the fuel economy of its large executive Lincoln Continental. The marriage didn’t work; although the M21 was a good motor (especially when compared to GM’s diesel!), gas prices were falling and the economy was recovering by the time it finally came to market. But since BMW went through the effort to get the M21 legal for U.S. shores, they brought the 524td over here, too. It was a slow seller in the E28 lineup; equipped only with an automatic, BMW dealers shifted 3,635 of the diesels.

No surprise, then, that when the E34 launched, the diesel didn’t come back with it. Though the U.S. market didn’t see the M21 in the lineup though it soldiered on. The M21 was replaced in 1991 by a new version, the M51. Now displacing 2.5 liters and with an intercooler in “s” version, the 525tds upped the power from the 114 seen in the 524td to 141 and it had 192 lb.ft of torque at only 2,200 rpms. This motor carried BMW’s diesels through the 1990s, and was available in everything from the 3-series to the 7-series.

So it’s a bit of a treat to see the M51 in North America. It’s more of a treat to see it in a Touring, and in great shape, and hooked up to a manual transmission. And, it has manual sport seats as well. Yes, the want is strong in this one!

CLICK FOR DETAILS: 1992 BMW 525tds Touring on eBay

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1992 Alpina B10 BiTurbo

Alpina has always struck me as one of the most thorough tuners in the world. Their research and development of engines, suspension and exhaust is second only to perhaps Ruf and AMG, thanks largely to their close associations with the factory. Inside the fit and finish of the cars is perhaps even better than they came originally; beautiful details that make the cars stand apart. And visually Alpinas have always been the best looking BMWs out there in my opinion; subtle aerodynamic tweaks, beautiful wheels and striking but tasteful “go faster” stripes that distinguish Munich’s best. But even amongst Alpinas there are special models, and the E34 B10 BiTurbo is one of them. Alpina took a normal 535i and made it’s own interpretation of what the M5 could be; instead of a high-revving twin cam S38, you got two turbochargers with enough torque to embarrass those boys from Affalterbach. Alpina achieved this through a full custom build; Mahle pistons, custom oil sprayers to cool the them, stronger connecting rods, sodium-filled valves and bespoke intake and exhaust systems – but then, Alpina’s never been shy about producing it’s own items. While all Alpinas are rare, the B10 BiTurbo was fairly popular; of the 1600-odd E34s Alpina built, a full 507 of them were B10s.

CLICK FOR DETAILS: 1992 Alpina B10 BiTurbo on eBay

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1989 BMW 535i Dinan Turbo

Following up on the recent Callaway Stage IIs, the other best-known American turbocharger of German products in the 1980s was Steve Dinan. Equally highly regarded, Dinan’s products have made their way from a small independent to being offered in BMW dealerships across the country, and the quality of his work is on par with the best independent tuners from Germany – Hartge and Alpina. Dinan has taken on tough projects – turbocharging the S38, BMW’s first V12, and punching out their V10 to 5.8 liters – and come away smiling.

Today, one of his less-exotic historical products is on the market. In this case it’s a 1989 535i that was turbocharged, lowered and stiffened, and given a big set of wheels. It’s the classic recipe, and sure enough, the outcome looks nice. But what makes this car notable is that it was reportedly Steve Dinan’s personal car, and is presented as the poster pinup probably more than a few of us reading about in Car & Driver when new:

CLICK FOR DETAILS: 1989 BMW 535i Dinan Turbo on eBay

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1988 Alpina B10 3.5/1

It’s hard to imagine being the bottom of the totem pole at Alpina, but the 3.5/1 might just be that car. In part that’s because the E34 lineup was so robust, featuring the cool 3.0 Allrad and the Learjet-channeling BiTurbo. When BMW ceased the production of the M30, V8 powered 310 and 340 horsepower 4.0 and 4.6 models replaced the inline-6. In comparison to those headliners, the 254 horsepower B10 3.5/1 seemed like an article more suited for the corner of page 2. However, consider for a moment that the B10 3.5/1’s power numbers weren’t too far off the contemporary super-saloon S38-powered M5 and it helps to restore some clarity to the impressiveness of the products rolling out of Buchloe. Today one of the 572 3.5/1s produced is up for sale in Massachusetts:

CLICK FOR DETAILS: 1988 Alpina B10 3.5/1 on eBay

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1992 BMW M5 Touring

BMWs second generation M5 followed the same recipe as the outgoing E28; manual transmission, rear-drive, howling inline-6 under the hood. But the E34 was far from a copy of the car that was really credited with being the first super sedan. BMW upped with power first with the 3.6 liter version of the S38; though the increase in displacement was a scant 82 ccs, the result was impressive. BMW Motorsport GmbH fit a new cam, a higher compression head, and a new engine management system to yield 311 horsepower at a rev-busting 6,900 rpms. They werent done.

In 1992 M upped the capacity again, this time to just 5 cc shy of 3.8 liters. Even higher compression, a further revision in electronic management, and a few other odds and ends now netted 340 horsepower and 300 lb.ft of torque. Again, they werent done. Perhaps tired of Audi cornering the go-fast-5-door market with their 200 20V Avant, in 1992 BMW launched the M5 Touring. Production began in March 1992 and ran through 1995. All E34 M5 Tourings were left-hand drive 3.8 models, and a total of 891 were produced.

BMW opted not to bring the enlarged motor or the M Touring model to the United States, as the 540i took over the top rungs of North American production. But now legal for importation, these rare Ms have been trickling in:

CLICK FOR DETAILS: 1992 BMW M5 Touring on eBay

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M5r. October: Ex-Reggie Jackson 1991 BMW M5

Until quite recently, the best value in the classic BMW M market was the E34 M5. First off, if youve never seen a used advertisement for a second-generation M5, you might have missed that these supreme sedans were the last of the handbuilt M models. If you hate movies, you might have missed that a M5 was also an unsung hero in the cult classic Ronin, even if it couldnt get away from a Citroen and the S8 was more memorable. If youve been living under a rock, you might not know that its father the original M5 is a lot more expensive today than it was a decade ago.

Yet the second generation M5, while considered a bit softer than the E28, was a potent sleeper nonetheless. And for me, its the ultimate M car; not because its the fastest, prettiest or most valuable; but because it expresses the ethos of what made BMW great. A Spartan warrior wolf in taxi-cab clothes, the M5 combined literal race-bred technology into an easily digestible package; it was a pleasure to drive fast or slow, it was reasonably reliable (and especially so considering the performance envelope), and yet unlike Porsche Turbos, Lotus Esprits, Chevrolet Corvettes or any other sports car that offered similar performance, it was a stealthy package it was the adult choice. In 1991 if the M5 was graduating high school, it would have been Valedictorian and voted most likely to succeed, but it would have gotten my vote for most athletic and prom king as well its that good. Despite these superlative qualities, a reputation second to none in terms of quality and driving experience, the E34 M5 is just now catching on in the marketplace – and values are reflecting that:

CLICK FOR DETAILS: 1991 BMW M5 on eBay

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Tuner Tuesday: 1994 Alpina B10 4.6 Touring

While the B10 BiTurbo generated the headlines as the world’s fastest sedan, BMW’s replacement M60 V8 motor was making its way into production and the M30 inline-6 was on its way out. Of course that meant it wasn’t too long before Buchloe got their hands on one, and in turn it wasn’t too long before the B10 4.0 replaced the BiTurbo as the top offering. But a year later, Alpina had already punched out the block to 4.6 liters. Now generating 340 horsepower, the new B10 4.6 not only was as quick as the M5, it was considerably cheaper and less complicated than the BiTurbo had been too.

Like the 4.0 before it, the standard 17″ Alpina wheel treatment, upgraded suspension, larger and less restrictive exhaust, aerodynamic tweaks and unique interiors all made their way here. Also like the 4.0, the 4.6 was available as either a sedan or Touring, and as either a 6-speed manual or 5-speed Switch-Tronic automatic. A scant 46 were built before the end of E34 production, of which only 19 were Touring models – making this one of the most limited Alpinas produced:

CLICK FOR DETAILS: 1994 Alpina B10 4.6 Touring at Springbok.de

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1995 BMW 540i M-Sport

Although the letter “M” attached to a BMW has generally represented the pinnacle of performance for the brand, the reality is the term “M-Sport” has not always denoted the same characteristics. Take the E82 135i, for example. The M-Sport package for that car consisted of slightly different 18″ wheels than the standard 18″ wheels and a black headliner. That’s it.

But zoom back in time to the beginnings of the title “M-Sport” and it meant a bit more. If you wanted a fast, executive super saloon in 1995, your options were dwindling. 1995 was the last year of the Audi S6, and one year after both the V8 Quattro and 500E were taken away. 1995 would also be the last year of the iconic M5, and hints were that it might be a long time before wed see another. Why? Well, the reality was that with the 6 speed 540i the performance gap between the super M5 and the normal V8 engined 540 was so close it just didnt make a lot of sense to have the premium model anymore. The S38 was by now a quite old motor and was getting harder to pass increasingly strict emissions standards; indeed, shrinking sales and high price had resulted in the M5 being pulled from the U.S. in 1993.

As a result, BMW offered a hint at what it could do with the V8 in the form of the M540i in Canada and the 540i M-Sport in the U.S. market. The Canadian model was quite close in spec to the European M5, except that in place of the venerable S38 it ran the M60 V8 out of the normal 540i. If that sounds like a letdown, it wasnt mated to the Getrag 6-speed transmission it was a great driver, and with the M5 adjustable suspension, brakes and cosmetic details it was 95% plus of the M5 for most drivers. The 540i M-Sport that the U.S. received differed a bit in not having the trick floating rotors of the M540i, but with nearly everything else out of the M bag of tricks these are cool cars, great drivers, and even more rare than the M5:

CLICK FOR DETAILS: 1995 BMW 540i M-Sport on eBay

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Tuner Tuesday: Supercharged 1995 BMW 540i 6-speed

Update 11/26/18: Although listed as sold at $7,100 last auction, this car is back again with no reserve and sold for $7,099.

Update 11/15/18: This E34 sold for $7,100.

After selling earlier this year from out Feature Listings, this built and supercharged “540i” is back on eBay with a no reserve auction and some slick new photos. Bidding is currently only at $5,600 with a day and a half to go.

In the early years of the 1990s, the writing was on the wall for the high-strung M88 derivatives. They were excellent motors, no doubt, but power levels were rising to the point where the M5 was no longer top trump. It enjoyed a small power advantage over cars such as the V8 4.2 quattro, true – with 276 horsepower and 295 lb.ft of torque, the Audi had less punch but more pull. But cars like the M119-equipped 500E changed the playing field; 322 horsepower was enough to overcome the S38 in the M5, but the big number was the 354 lb.ft of torque. That was nearly 100 lb.ft more than the S38 and it was more usable, too.

BMW wasn’t to be outdone, launching its own series of V8 for the 1992 model year. in 3.0 and 4.0 form, the modern aluminum motors dubbed the M60 brought new levels of power to the third generation 5. In fact, so potent was the 4.0 version that BMW decided the more expensive M5 was effectively redundant in the marketplace. The M60B40 was rated at 282 horsepower and 295 lb.ft of torque and and good enough to scoot the luxury car from 0-60 in 6.9 seconds even when equipped with a 5-speed automatic.

But there was a 6-speed manual option as well, and of course you could opt for the sport package that would give you better seats, springs and a limited-slip differential. These options turned the two-ton Teuton into an athlete. While this particular E34 started life as a 525i, it’s been given the full 540 treatment and then some, culminating in a Vortech supercharger for some serious punch:

CLICK FOR DETAILS: 1995 BMW 540i 6-speed on eBay

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Affordable E34 Face-Off: 1990 Alpina B10 3.5/1 v. 1991 M5

Update 6/15/18: After not selling last year with a $14,500 Buy It Now, the Alpina B10 3.5/1 part of this duo is back up for sale having finally been washed at the same asking price. Will it find a buyer this time around?

Just because it’s got an exotic name or badge doesn’t mean it’s automatically out of your reach. That’s the lesson for today’s twin E34s. If you’re willing to undertake a bit of a project you can certainly save money up front. Just like we saw with the S65 AMG Andrew wrote up, the initial cost you pay only going to be part of your total outlay but for the price of a small economy car, you can grab another league of luxury, performance and exclusivity that a Nissan Versa could never dream of matching. So which of these project E34s is the one you’d chose, or are both busts?

CLICK FOR DETAILS: 1990 Alpina B10 3.5/1 on eBay

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