Thinking of buying 120D Coupe

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TMInside
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Thinking of buying 120D Coupe

Post by TMInside » Thu Jan 04, 2018 10:31 pm

Hi all,

So I'm thinking of getting a 120D Coupe (58-10 plate) with around 100-130k on the clock. I will only get one with Full service history. It's looking to be anywhere from £4500 - £6000 for one.

I'm looking at getting it in automatic which yes I suppose more to go wrong and more expensive if it needs replacing...

My question is how many miles should the car/automatic gearbox last providing its had FSH?

p.s. Anything else I should look out that's expensive, that should have been replaced??

Many Thanks for any advise given!

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Re: Thinking of buying 120D Coupe

Post by rob180bhp » Thu Jan 04, 2018 10:38 pm

Timing chain.....


http://www.babybmw.net/viewtopic.php?t=62400

I'm not saying don't buy one, just know the facts then make your desicions

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Re: Thinking of buying 120D Coupe

Post by TMInside » Thu Jan 04, 2018 10:46 pm

rob180bhp wrote:
Thu Jan 04, 2018 10:38 pm
Timing chain.....


http://www.babybmw.net/viewtopic.php?t=62400

I'm not saying don't buy one, just know the facts then make your desicions

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Food for thought I guess thank-you, although I presume these need replacing on any car with 100k odd miles on? Was more concerned about the automatic gearbox life span lol.

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Re: Thinking of buying 120D Coupe

Post by rob180bhp » Thu Jan 04, 2018 10:54 pm

.
Granted but the chain on the. N47 is on the rear of the engine and not the front so budget 1k

A. Broken gearbox is probably cheaper to replace than the chain

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Re: Thinking of buying 120D Coupe

Post by Toed64 » Thu Jan 04, 2018 11:32 pm

Think hard before buying an N47 diesel. Do you really need a diesel? If so, why not buy a 330d?

Do not underestimate the gravity of the N47 timing chain design fault. Most here would advise that buying a high mileage, 10 year old N47 is a very poor idea, unless the chain has been replaced already...and even then they can go again!

The automatics don't seem particularly unreliable. BMW advise that they don't need the automatic transmission fluid changed, but the manufacturer of the gearboxes recommends service and the boxes also have internal filters...

It might well be better to buy a 125i petrol. They are very reliable and although they use more fuel than the diesels, the running cost may well be cheaper.

The only 1er diesel I would consider would be the earlier (up to early 2006) M47 120d. No DPF to block and no snappy timing chain to worry about.
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Re: Thinking of buying 120D Coupe

Post by 0l0dom0l0 » Fri Jan 05, 2018 8:10 am

Don't bother.

The 120d have the potential to be an absolute money pit.

Timing chain is a case of when not if.
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Re: Thinking of buying 120D Coupe

Post by windyred » Fri Jan 05, 2018 8:29 am

My 123d auto has 160000 miles on the clock everything works fine..

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Re: Thinking of buying 120D Coupe

Post by Toed64 » Fri Jan 05, 2018 11:37 am

windyred wrote:
Fri Jan 05, 2018 8:29 am
My 123d auto has 160000 miles on the clock everything works fine..

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Good, long may it stay that way. Montegoblue has clocked up lots of miles with N47s too. However, he bought low mileage cars and looked after them very carefully with frequent oil and filter changes. BMW suggests that 20,000miles is the recommended oil service interval and it is thought that this long service interval may be a major contributing factor for the timing chain failures.
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Re: Thinking of buying 120D Coupe

Post by TMInside » Fri Jan 05, 2018 2:56 pm

Wow! What a response! Thank you guys for all your input that's defiantly some insight into the 120d! To be honest, I'm either going to get a 120D Coupe or a Golf Mk5 GT Sport 170 TDI. I'd rather get the BMW just purely because it's a better car.

Now this timing chain issue seems to be the biggest factor with them. Are all the 120D's the 'N47 engine'? As long as I make sure the timing chain has been changed before I buy or I get it changed right after I buy, I shouldn't have an issue?

I'm sure I read somewhere the fault only effects "BMW 1-Series, 3-Series and 5-Series vehicles built between 2007 and 2009." So if I got a 2010 this should be fine?

Thank you all once again, sorry I'm new and only know the basics around cars!

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Re: Thinking of buying 120D Coupe

Post by rm1 » Fri Jan 05, 2018 3:00 pm

123d would be a nicer car if you must have a diesel.

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Re: Thinking of buying 120D Coupe

Post by marco_polo » Fri Jan 05, 2018 3:04 pm

All 120d Coupe's are effected sadly, the N47 is a horrible piece of 'engineering'. The problem is less prevalent after 2013 approx, but they still snap occasionally. The design was last revised March 2016.

If you're forced to buy one for some reason, I'd find one with super low mileage, then change it's oil immediately, and every 8K from then on.
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Re: Thinking of buying 120D Coupe

Post by TMInside » Fri Jan 05, 2018 3:19 pm

marco_polo wrote:
Fri Jan 05, 2018 3:04 pm
All 120d Coupe's are effected sadly, the N47 is a horrible piece of 'engineering'. The problem is less prevalent after 2013 approx, but they still snap occasionally. The design was last revised March 2016.

If you're forced to buy one for some reason, I'd find one with super low mileage, then change it's oil immediately, and every 8K from then on.
Bah... all this is putting me off getting one now and the Golf just sounds hassle free/cheaper but would really prefer the BMW. Surely a recall would have been done by BMW on the timing chains? Really stuck in the middle of what to get at the minute! My heart is saying BMW, but my head is saying Golf!

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Re: Thinking of buying 120D Coupe

Post by rob180bhp » Fri Jan 05, 2018 3:23 pm

Trust your head as a high millage n47 will bite you in the arse

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Re: Thinking of buying 120D Coupe

Post by 0l0dom0l0 » Fri Jan 05, 2018 3:27 pm

TMInside wrote:
Fri Jan 05, 2018 3:19 pm
marco_polo wrote:
Fri Jan 05, 2018 3:04 pm
All 120d Coupe's are effected sadly, the N47 is a horrible piece of 'engineering'. The problem is less prevalent after 2013 approx, but they still snap occasionally. The design was last revised March 2016.

If you're forced to buy one for some reason, I'd find one with super low mileage, then change it's oil immediately, and every 8K from then on.
Bah... all this is putting me off getting one now and the Golf just sounds hassle free/cheaper but would really prefer the BMW. Surely a recall would have been done by BMW on the timing chains? Really stuck in the middle of what to get at the minute! My heart is saying BMW, but my head is saying Golf!
Why do you need the diesel?
2007 130i LE - BMWP Exhaust, Strut Brace, Air Filter, Short Shift kit and Handbrake.
B12 KIT with M3 LCA and TS.
Plus Cruise Control, Digital Speedo, CDV Delete, Camber Pin Mod, OEM LED Numberplate Lights, Brighter Non-dimming OEM Angel Eyes.

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Re: Thinking of buying 120D Coupe

Post by TMInside » Fri Jan 05, 2018 3:34 pm

0l0dom0l0 wrote:
Fri Jan 05, 2018 3:27 pm
TMInside wrote:
Fri Jan 05, 2018 3:19 pm
marco_polo wrote:
Fri Jan 05, 2018 3:04 pm
All 120d Coupe's are effected sadly, the N47 is a horrible piece of 'engineering'. The problem is less prevalent after 2013 approx, but they still snap occasionally. The design was last revised March 2016.

If you're forced to buy one for some reason, I'd find one with super low mileage, then change it's oil immediately, and every 8K from then on.
Bah... all this is putting me off getting one now and the Golf just sounds hassle free/cheaper but would really prefer the BMW. Surely a recall would have been done by BMW on the timing chains? Really stuck in the middle of what to get at the minute! My heart is saying BMW, but my head is saying Golf!
Why do you need the diesel?
I do a lot of mileage for work across the UK. I also prefer the torque figures from a diesel compared to petrol.

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