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About BMW 635CSi

As a model of the BMW 6 Series, which is produced based on 5 Series and successor to the BMW E9, BMW 635CSi was built by a famous German manufacturing company, Bayerische Motoren Werke AG, more known under its abbreviation BMW, between 1985 and 1989 as a full-size luxury car. Originally introduced as a model in the first-generation 6 Series, 635CSi was also regarded as the successor to the 633CSi. Competing against the Mercedes-Benz S-Class, Cadillac CT6, Maserati Ghibli, Mercedes-Benz CLS, Audi A7 and Jaguar XF, 635CSi was only available for about five model years before being discontinued and replaced.
BMW 635CSi made its debut for the 1985 model year in the North American market when the 6 Series was in its first generation. It was offered in only one body style, a 2-door coupe (E24) and came in only one trim level. But 635CSi was also available for an L6 Luxury Edition version of the 635CSi in the North America for the 1987 model year. Built based on the E12 5 Series platform, BMW 635CSi's front suspension consists of MacPherson struts and the rear suspension is the self-leveling rear suspension. In 1985, 635CSi was powered by a 3.4 L inline 6-cylinder engine rated at 182 hp and 214 pound-feet of torque, which was replaced by a same 3.4 L inline 6-cylinder engine that could produce 208 horsepower and 225 lb-ft of torque in 1988. During its whole lifetime, 635CSi's rear wheels were activated through a wide-ratio 5-speed manual or automatic transmission.

BMW 635CSi Common Problems & Maintenance Tips

Though as a model of the high-rated 6 Series, BMW 635CSi has a remarkable build quality, nowadays, the youngest 635CSi is at least twenty-nine years old. Therefore, you had better make good preparation for these common problems on it:
First, such an old model like BMW 635CSi, engine failure is definitely its most common and serious issue. Since it is often the omen of the vehicle breaking down, you are advised to try your best to solve it as soon as you can. According to experienced 635CSi drivers, this problem will have some recognizable and simple symptoms to help them solve it in time. At first, the engine will produce some strange noises such as whining, squealing or rattling noises to attract your attention; then the engine will encounter performance issues including misfiring, stalling, hard starting or inability to start; finally, the vehicle will lose power while accelerating and consume excessive oil. When the Check Engine Light comes on, you need to inspect if the 635CSi spark plug, air filter, oil filter, engine control module, fuel injector, valve cover gasket, EGR valve, fuel pump and timing belt are working properly or not.
Second, for BMW 635CSi drivers, another horrible problem they have met during driving would be the steering failure. Actually, it is a common problem on BMW models including the 635CSi. But because of without adequate knowledge about working principles of the automobiles, this issue often results in more serious consequences than it should do. This problem often starts with clunking or grinding noises when turning and leaking power steering fluids. Then the steering wheel will operate so roughly that you could not control the vehicle perfectly, which is a hidden danger of fatal accidents. You should keep the 635CSi tie end, power steering hose, power steering reservoir, steering column cover, steering wheel, upper steering column bearing, and steering shaft in the good order to prevent possible dangers.
To enjoy a perfect ride brought by your BMW 635CSi, you need to do more than just focusing on solving above-mentioned two common problems. Maintaining some vulnerable auto parts of it could be a good way to make the perfect ride come true. Parts including 635CSi seat belt, windshield wiper, wiper blade, antenna, fog light, headlight and cabin air filter are all important for a safe and comfortable driving environment. Maintaining them routinely to keep them in good condition is a must.
For your BMW 635CSi's long lifespan, you are highly recommended to choose OEM BMW 635CSi auto parts as the only option for parts replacements. could be the best place for purchasing lowest-priced manufacturer-warranted genuine BMW 635CSi auto parts. All OEM 635CSi parts from here are high-quality, reliable and durable. You can shop them now with confidence as our hassle-free return policy and quickest delivery service are also available for every order.