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BILSTEIN mono-tube/Upside-Down technology
Please be aware that the S55 can suffer from crank hub slip
Gear diffs need load on both axles in order to function
We recommend to ask the BMW dealer the OEM spare parts codes to see if they match the following
Intrax Lowering Springs - BMW 3 Series F80 M3 | 4 Series F82 M4 Coupe 6 Series (F12 / F13) BILSTEIN mono-tube/Upside-Down technologyIIntrax is a Dutch manufacturer of high end suspension technology with over 30 years intense experience at the highest levels of racing rallying. Intrax designs and produces shock absorbers, springs and suspension technology for Formula 1 cars, street cars and everything in between. All Intrax shocks are custom build with a personal setting specially calculated for your car and your requirements.