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BMW’s second iteration of the M5 continued the legacy of its predecessor, the E28, embracing the timeless combination of a manual transmission, rear-wheel drive, and a roaring inline-6 engine beneath the hood. However, the E34 was no mere replica; it marked a significant evolution from the car that initially earned the title of the first super sedan.
1994 BMW M5 Touring for sale on eBay
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This E34 Alpina sold for $26,000 on 1/10/2022.
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 were nearly identical to the contemporary super-saloon S38-powered E28 M5 when it was launched and it helps to restore some clarity to the impressiveness of the products rolling out of Buchloe. Today chassis number 520 of the 572 3.5/1s produced is up for sale in Indiana:
BMW’s 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 weren’t 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 weren’t 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 are one of the more desirable models around:
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!
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.
