5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
I am thinking of buying a 2002 BMW 535i. Can you tell me what problems i might have with it? I'm concerned about the engine and transmission mostly (engine is 3500cc v8 with automatic transmission). Any information is greatly appreciated.
Your car has the M62TUB35 engine, which uses an Aluminum alloy with Alusil in it instead of Nikasil. What this means is that in terms of teh engine, you should be fine. BMW had serious issues with Nikasil blocks before it decided to abandon them and use Alusil alloy instead.
How many km on the odometer? These cars last for a long time and even their automatic transmissions tend to last for a long while (a buddy of mine had his auto transmission on a 5er go for 450,000 km!). One thing about the transmission: BMW claims that their cars come filled with "life-time" transmision fluid. I don't trust that. The fluid will deteriorate over time, so your transmission will run better and for longer if you replace the fluid as soon as you get it (unless it has been replaced recently). You want to replace the fluid around teh 120,000 to 150,000 km mark. If it over that... come back and ask. Some people think once it reaches that point, you're better off just leaving things alone.
The best advice we can give you is that you take the car to a mechanic. I know it may feel like lost money if you decide not to buy the car, but it is important t know what kind of shape the car is in.
Hopefully the current/previous owner(s) have kept maintenance records. Those are worth gold when buying a used car.
I know I threw a lot of info at you. I probably brought up more questions tahn I answered, but I hope this helps.
The car has 180,000 km and didn't have the transmission fluid changed. I am seriously thinking about taking it to a mechanic but either way, i want to know as much as possible about this car before i go meet the buyer. What chances are that i'll run into problems with the transmission fluid?
If it were mine, I'd replace like half the fluid now and half again in about 30K miles or so. If the friction plates are worn, "dirty" fluid will actually help them grip. Brand new fluid will be too slick and will allow it to slip, forcing you to rebuild the tranny. This is if it has never been changed. Like drz said, check with a trusted mechanic, one that is familiar with bimmers and particularly your car.
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