Pushrods After the Twin Overhead Cam article, I just had to bring up pushrods. Derided by many, the humble pushrod has been around as long as the overhead cam valve actuation. They are still in use, primarily in American made … Continue reading

BMWBLOG had the opportunity to interview Holger Jeebe of BMW’s Antriebstrategie (Strategical Aspects, Drive Train) at the Frankfurt Motor Show. After introductions we jumped right into it. BMWBLOG – The 8 speed automatic transmission has found its way from the … Continue reading

Our friends at Autoblog posted some speculation about BMW’s potential interest in Saab. I dismissed that out of hand upon reading it. Saab, unfortunately, is damaged goods (read nigh on ‘radioactive’) at the moment. Their sales in the last few … Continue reading

The Editor-In-Chief tossed this article on Cadillac marketing, a piece over the wall and ran. It’s an interesting take on GM’s argument that Cadillac is THE competitor to BMW (not Audi or Mercedes-Benz as THE competitor to BMW, let alone … Continue reading

“Power output is finally dependent upon weight of air efficiently burnt per minute, and this in the end is fixed absolutely by the breathing power of the valve gear.” – Laurence Pomeroy, in The Grand Prix Car That is the … Continue reading

The original M6, the E24 M635i, was the follow on to the much loved and still desirable E9 3.0 CSL. The original M6 ran from 1979 to 1989 whereupon the M6 badge went into hiatus for 14 years, not that … Continue reading

The Spun Bearing: 500cc Combustion Chamber, Wave Disc Generator, and Leather vs Cloth The 500cc Combustion Chamber BMW is migrating towards a common combustion chamber for its upcoming 3, 4, and 6 cylinder engines. BMWBLOG covered Innovation Day last year … Continue reading

The meeting where ZF pitched the 8HP eight speed automatic to BMW would have been interesting to attend. To have seen the wheels turn as the BMW engineering team recognized the flexibility of the transmission to deliver both performance and … Continue reading

ZF 9HP In the remote reaches of Cobo Hall one can find a number of vendors tucked away at the NAIAS. ZF was there with a display of its wares and front and center was a cutaway of the 9HP, … Continue reading