BMW 633
Vehicle Make/Model Specifications:
Make: BMW
Model: 633
BMW 633

BMW created two unique lines of coupes and placed them under the 6 series. The first to be released was the E24, which it the market in August 1976 as a replacement to the 3.0CS and 3.0CSi (E9). The 633 had few cosmetic changes from its predecessor, but did feature a better suspension, better fuel injection and thankfully a higher output motor. The basis for the first production of BMW 6 Series coupe was built around the BMW E24 automobile platform. This delightful model was produced by the German automaker BMW from1976 until 1989. However, the 633 did see a resurgence and the name did resurface in the 2004 model year on the BMW E63. In 1989, it was originally replaced by the E31 chassis 8 Series coupes. Originally the bodies were manufactured by Karmann, but for reasons not disclosed, production was later taken up in-house at BMW. In 1978, other parts of the world, outside of the United States saw a more powerful version, the 635Csi. The North American market was however left with just the 633CSi. The United States market would be left with the old engine until 1985, when it finally received the 3.5 liter engine. United States specification 633CSi cars had the M30 3.2 liter 181 hp engine until 1984 when it was upgraded as stipulated. The big difference, surprisingly, between the two engines was torque. Whereas the 3.2 liter had 195 ft•lbf @ 4,000 rpm, the 3.5 liter powerplant managed 214 ft•lbf @ 4,000 rpm. This was obviously well received in the market, yet it did leave some wondering why North America was forced to wait for the delayed release. A formal answer to this has not been received, yet perhaps, the older models were holding up just fine to the demands and wishes of the consumers at the time.

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