I have owned two 740s over the last four years. Firstly I must say that they are great cars, and fantastic value for money now that petrol prices have risen. The 740i is much quicker than you might expect given its size and weight, and the mechanicals are generally rock solid.
These cars are, however, vulnerable to cooling system problems. Both of mine needed new hoses and expansion tanks after developing leaks. My current car has also had the coolant rails replaced at the bottom of the "vee" at a cost of £600 to solve a slow and persistent coolant loss. I have also had the valve head gaskets changed (£300) as these were starting to leak oil after just 90k miles, so be warned! You can check for this by removing the plastic engine covers and having a look for sludge around the cylinder head.
It costs £85 to fill the tank nowadays but given that you can now buy one of these cars for less than £4k in good condition, insure it as a classic if it's over 10 years old, and still pay only £180 road tax, the every day costs do make a certain amount of sense. These are fast, solid, comfortable and safe cars, which in the right colour and with the optional M sport wheels, still look really smart. Buy wisely and you won't regret it!
I have a 728i and a 735i Sport and am looking to make the collection a threesome with a 740i..
I can not really fault either of the ones I already have, the 728i had a thermostat blow and the bushes on the front suspension around the 82k miles mark. The 735i has had nothing but servicing and is now on 135k miles.
Fuel Eco is fine on both, the 728i is showing advarage at 23.4mpg and the 735i is showing 21.2MPG advarage, and I do most of my driving in town, in London!
As a member of the BMW Owners Club for the 7-series I can honestly say they do not really get much wrong with them, and even when they do its not that expensive to fix..
BE wary of the 3982cc 740i's though, Nikasil problem in the engine, you could end up needing a new engine! If looking for the 740i go for the 4398cc version.
Definately a huge luxury car that you can run for the same cost as a Mondeo, and get so much more for your money!
I had my 728 for three excellent trouble free years. i travel a few good miles every year so can certainly tell it how it is, or how it was with mine! The mileage covered was around 90,000 in that time i can safely say that apart from brakes,tyres, and servicing,and a minor problem with a power steering belt it was as good as gold. Electrics worked fine, gearbox was smooth as you would want,the drivers seat setting was brilliant,especially if you suffer with back problems. The engine was bomb proof. Can not fault it, even when i hired when it was in for servicing and i drove the new vauxhalls,ford and so-ons you realise what a great car this is, 33 plus to the gallon on a run is nice too. The only problem now! I was hit on the motorway, rear ended, mines a write off, but you should of seen the state of her car! Currently searching for another one.
Mine was a 1996 728 with 72, 000miles, FSH.
Great car to drive very comfortable, even quite economical, but had numerous leaks, water and oil.
The body work soon started to go rusty, not in the normal places but things like boot lid, door sills(inside).
Then there were the electrical problems, not major but anoying little ones. Had the car about 9 months.
Would consider another one but i dont like the look of the new ones.
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