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All Wheel Drive: all wheel drive explained, differential, electronic differential lock (EDL), haldex, jeep 4wd systems, low range, proactive AWD, quattro evolutions, safety concerns, subaru technology in detail, terrain response system, testdrive, Torque-vectoring AWD, torque split ratio, torsen, viscous coupling

Brands: 4motion, quattro, super select, xDrive

Videos: Diagonal spin test, electronic differential lock test, quattro vs. xdrive test, Viscous Coupling Test

Vehicles: acura, alfa-romeo, AMC, audi, bentley, BMW, bucher, bugatti, cadillac, chevrolet, chrysler, citroen, dacia, daihatsu, dodge, fiat, ford europe, Ford USA, gaz, GMC, holden, honda, hummer, hyundai, infiniti, isuzu, jaguar, jeep, kia, lada, laforza, lamborghini, lancia, land rover, lexus, lincoln, mazda, mercedes, MG, mini, mitsubishi, nissan, opel, panther, peugeot, pontiac, porsche, range rover, renault, saab, seat, skoda, ssangyong, subaru, suzuki, toyota, uaz, vauxhall, volkswagen, volvo


Last changed: 2025/12/05 20:59
3-series E30 325iX 1988-1992 Next Full-time all wheel drive. Viscous coupling locking center differential with torque split 37% front / 63% rear. The viscous coupling is integrated into the planetary gear center differential. viscous coupling locks the differential when wheel slipping occurs and transfers up to 90% of torque to the axle that has traction. Viscous coupling locking rear differential distributes torque between the rear wheels. Figure: BMW E30 325iX transfer case (72KB) Figure: bmw 325ix e30 (85KB) Figure: BMW 325iX (69KB) Figure: bmw 325ix e30 (45KB) Figure: bmw 325ix e30 (108KB) See also: Viscous coupling See also: Viscous coupling locking center differential test Have you seen a better description of Bmw 3-Series E30 325Ix 1988-1992 in a paper magazine? Can you please scan it or take a photo and send it to ? 3-series E46 X models 1998-2006 Next Full-time all wheel drive with all free differentials. 38% front / 62% rear torque distribution thru planetary gear. ADB-X (Automatic Differential Brake) electronic traction control performs functions of locking differentials. Figure: bmw 3 e46 (27KB) Figure: bmw 330xi e46 transmission (48KB) Figure: bmw 330xi e46 transmission (77KB) Do you think this information about Bmw 3-Series E46 X Models 1998-2006 is incomplete? Please send us what you know to or leave a comment below. 3-series E90 X models 2006-... Next xDrive. Do you think this information about Bmw 3-Series E90 X Models 2006-... is incorrect? Please send us what you know to or leave a comment below. 5-series E34 525iX 1991-1996 Next Full-time all wheel drive. Torque split 36% front / 64% rear. Computer controlled system using the ABS sensors to detect wheel slip. The E34 system exists in 2 generations with a major difference: Generation 1 has separate control unit which control electromagnetic semi-wet multiplate disk clutch in centre and electrohydraulic wet rear differential. It recieves ABS wheel sensors data signals from special, modified ABS unit. Front differential open. In production from april 1991 up to september 1993. Generation 2 has ABS/ASC+T unit which controls semi-wet electromagnetic multiplate disk clutch in centre and an open differential rear through rear wheels brakes (ABD). It also controls throttle. Front differential open. In production from October 1993 up to end of production. Most components looks very similar to 325ix E30 models but are unique parts. Figure: BMW 525iX E34 - 1st generation (124KB) Have you seen a better description of Bmw 5-Series E34 525Ix 1991-1996 on the web? Please send us the link to or post it in a comment below! 5-series E60/E61 2004-... Next xDrive. Do you own Bmw 5-Series E60/E61 2004-...? Can you please make a photo of the car's 4x4 transmission, switches, dashboard lights, etc. and send it to ?

X1 2009-... Next xDrive. Do you think this information about Bmw X1 2009-... is incorrect? Please send us what you know to or leave a comment below. X3 2003-... Next xDrive. Figure: bmw x3 (308KB) You have better pictures or videos of Bmw X3 2003-... that you can contribute? Please send them to ! X3 2011-... Next xDrive. xDrive with Dynamic Stability Control (DSC) and Hill Descent Control (HDC) as standard The video is unavailable. To view videos, visit the desktop version. Do you think this information about Bmw X3 2011-... is incorrect? Please send us what you know to or leave a comment below. X5 1999-2004 Next Full-time all wheel drive with all free differentials. 38% front / 62% rear torque distribution and ADB-X (Automatic Differential Brake) electronic traction control performs functions of locking differentials. Hill Descent Control (HDC). Do you think this information about Bmw X5 1999-2004 is incomplete? Please send us what you know to or leave a comment below. X5 2004-2007 Next xDrive. You have better pictures or videos of Bmw X5 2004-2007 that you can contribute? Please send them to ! X6 Top xDrive. The same as X5 and other xdrive BMWs with the added benefit of rear axel torque vectoring on all models. Do you think this information about Bmw X6 is incomplete? Please send us what you know to or leave a comment below.
Last changed: 2025/12/05 20:59

There are 4 comments

Alex

January 19, 2015 - 09:17

Hello,

I've found more info on Xdrive. You may want to publish this on the site.

www.google.ro/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&ved=0CE0QFjAH&url=https%3A%2F%2Fwww.press.bmwgroup.com

mladenko

May 17, 2014 - 00:14

Quattro is better

Reply to mladenko

mpx14

April 18, 2015 - 09:56

Quattro is a marketing term and applies to a range of different systems. Some better then others.

adrian

January 07, 2014 - 14:14

exista bmw e39 4x4?

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