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Are N43 engines reliable?
The BMW N43 is a naturally aspirated four-cylinder petrol engine which was sold from 2006-2013. The N43 suffered various problems in service – breakage of the cam chain plastic guides leading to oil starvation as the debris blocked the oil strainer, and problems with the injectors, coil packs and the NOx sensor.
How long does a timing chain last in a BMW?
200,000 miles
The BMW timing chain rides on plastic guide rails and must have a plentiful flow of fresh clean oil to survive. Your timing chain should last 200,000 miles with proper care.To avoid needing a BMW Timing Chain Repair keep the proper approved 100% synthetic clean.
When should a timing chain be replaced BMW?
Replacement Guidelines BMW and MINI use Timing Chains in almost every model of engine that they produce.It is recommended to replace your timing chain before failure as repair prices can become very high from internal engine damage. From experience the life of these timing chains are 90,000 miles or 9 years.
Is the N52 a good engine?
BMW’s N52 engine is one of its most successful, and most produced inline-6 engines. Due to the engine design, the N52 has proved more reliable than it’s bigger brother, the N54. Because the N52 doesn’t have an HPFP or direct injection, these are two common N54 issues that drivers of the N52 won’t have to worry about.
How much does it cost to replace a timing chain on a BMW?
The Best in Auto Repair The average cost for a BMW 328i timing chain tensioner replacement is between $707 and $857. Labor costs are estimated between $572 and $721 while parts are priced at $135.
How much does it cost to change a timing belt on a BMW?
BMW 525i Timing Belt Replacement Cost Estimate. Labor costs are estimated between $275 and $347 while parts are priced at $75.
How long do N47 engines last?
N47 engines have no other design issues and can easily run 200,000 miles if maintained correctly plus it is your original engine with traceable service history and mileage.
What’s the problem with the BMW N43 engine?
I’ve read about all kinds of trouble with this engine in the 1- and 3-series cars which has made me somewhat worried. Stretched timing chains, coil pack failures, Vanos unit issues etc. I had a slightly scary moment a while ago when an indy BMW garage said that the engine noise indicates that the timing chain has gone bad and needs to be changed.
Can you rent out a BMW N43 timing chain?
Yes, I rent tools out to the motor trade and the new N43 is a popular kit to rent out. We often have 3 kits out at a time. This seems to be becoming as much as issue as the other N series 4 cylinder engines. The Citroen/Peugeot engines fitted to the Mini are probably the only ones that are worse/more popular.
Is there a problem with the BMW timing chain?
Premature timing chain failure has become a serious problem for many BMW owners – the issue has been featured on BBC Watchdog and is regularly discussed in BMW forums and other media sites. A range of BMW petrol engines in cars registered between 2001 to 2015 appear to have a design problem affecting the timing chain or tensioner.
What causes BMW E90 / 91 timing chain to snap?
Has anyone had any problems with the Timing Chain on a E90/91 N43 engine? Just had mine replaced as it had stretched and snapped off the guides and tensioner. (7 years old with 38K and full BMW service history) It caused an intermittent oil pressure fault due to a blocked relief valve.