Most Reliable Z

M

mason storm

Active member
What do most people consider is the most reliable Z to get?

I just wonder as I get the feeling the old 3.0i is more reliable than my 3.0si (potential ticking noise from engine) while the new 35 engines suffer from turbo problems. Maybe the most reliable is the 2.0 or the 2.5se?

Opinions please
 
The M54 is the most reliable BMW engine ever built. Here's why:

* The camshaft chain drive and the V-belt drive are maintenance-free and designed for the life of the engine.
* Valve clearances are kept consistent throughout the entire running life of the engine by a self-adjusting hydraulic valve clearance mechanism. There is no need to adjust valve clearances, ever.
* There is no need to reset the clutch since it is self-adjusting.
* The air filters and spark plugs only have to be replaced after 100,000 km or 62,000 miles.
* The oil in the transmission and final drive is a lifetime filling not requiring any replacement.
* There is no need for any particular running-in service.
* The BMW Service Interval Indicator informs the driver of the remaining distance until the next oil change. You no longer have to change the oil after a fixed, rigid mileage.
* The engine is able to adjust automatically to all fuel grades between 87 and 98 octane.
* Anti-knock control automatically adjusts the engine's running conditions to the respective fuel grade and quality.
* Please note that the engine's maximum output is only achieved when running on 98 octane premium fuel.
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Most reliable one, that'd be the 26th letter of the alphabet other than that......
Seriously I have no idea sorry but I think in general we have come to expect so much from cars. It's not that many years ago when 1500 mile oil changes were regular needs and you made a massive thank you to your car if it started in the morning. I gripe a bit about my 35i but in reality it starts every time, whisked me around europe without a hiccup and i can remember plenty of cars that i've been surprised they got me through a weeks motoring without a problem.
It'll be an interesting thread this one :thumbsup:
 
Pre facelift cars had roof issues which were mostly sorted on later cars. Mate has a 07 plate 2.0 litre which is his company car, done 60,000 in it in three years and not has one reliability issue. Very impressive.

I suppose the bigger the spec the more electrical gremlins there might be. nav, heated elec seats, etc etc. Not had any issues at all with my 'M' since a faulty brake sensor at 1 year old. now 28,000 miles, brakes still original, only had two new rear tyres and has never needed an oil top up between services :thumbsup:
 
Had mine for 3 years,the only thing that's needed replacing have been the rear springs.The previous owner hadn't had any issues with it either, so at over 7 years old , 50k and no issues, I rekon that's pretty good.
 
I guess it also depends on who owns the car and where it is parked.

A tracked car parked outside will most likely have more issues than a "normal" used car parked inside and hence not suffering the roof issues due to permanent rain ingress, perhaps rusted / heavily used springs are easier to snap and baking sun might weaken rubber components.
 
bigshurv said:
Had mine for 3 years,the only thing that's needed replacing have been the rear springs.The previous owner hadn't had any issues with it either, so at over 7 years old , 50k and no issues, I rekon that's pretty good.
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Snap - 7 years old this September and only a broken rear spring. Kept in a garage, regular servicing etc etc.
 
AlanJ said:
Snap - 7 years old this September and only a broken rear spring. Kept in a garage, regular servicing etc etc.
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8 years old for my 2.5i this year, been over the 100kkm recently, and i've been tracking the car on a regular basis. One broken spring to date and i should take care of the diff silent-blocks, but otherwise, nothing to complain about.
 
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