How common is S55 crank hub failure?

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Even on higher horsepower, modded cars, spun crank hubs seem to occur on less than 1% of S55 powered M2, M3, and M4’s. Additionally, it’s not a problem that warrants too much concern to the point preventive upgrades are necessary. Generally, when the crank hub spins it will throw off engine timing.

Will BMW replace the crank hub?

1) Dealer will not replace your crank hub with an aftermarket solution. 2)If your crank hub slips, first thing BMW is going to do is check for tune and/or overrev. Then, more often than not, they will retime and reassemble. If you don’t tune, but have an aftermarket exhaust and the hub slips they’ll cover everything.

What does a crank hub do for a BMW?

How much does it cost to upgrade a crank hub?

If you have an independent shop fix it such as SSR Performance, it cost about $4000 and it includes a new crank hub design that supposedly cannot spin. Depending how bad the crank hub slips, in rare cases it can lead to catastrophic engine failure where the valves hit the pistons.

How reliable is the F80 M3?

The BMW M3 Reliability Rating is 2.0 out of 5.0, which ranks it 29th out of 31 for luxury midsize cars. The average annual repair cost is $1,161 which means it has poor ownership costs. Repairs are more frequent and more lkely to be severe than the average car, which means you can expect more major repairs for the M3.

How much HP can S55 handle?

The stock S55 fueling is able to keep up with 100% E85 up to roughly 600whp. Though, it is important to pay attention to AFR’s. You must also have the appropriate tune to keep up with the demanding fuel flow. A JB4 alone can handle up to 30% E85.

How reliable is S55 motor?

S55 Engine Reliability After 6-years of on the road data, the S55 appears to be an extremely reliable motor. On pre-2016 engine models, the crank hub was complained to be a high-failure point, resulting in a “spun” crank hub.

Is the S55 better than the B58?

An S55 powered M3 can be found for roughly $10,000 more than a B58 car. The B58 is a great engine, but the S55 is better. Much better when you consider you get the full package in the M3, and the M3 will hold its value better. For that reason, the B58 scores the worst value rating.

What does a crank hub do?

What cars have the S55 engine?

BMW S55 engine is a high performance version of the N55 made by BMW M GmbH, which is used by the F80 M3, F82 M4 and F87 M2 Competition/CS.

How long do M3 engines last?

The BMW M3 has a life expectancy of up to 150,000 to 200,000 but there are a lot of variables in play. The most important factor is always giving Your car proper care and keeping up with the routinely scheduled maintenance intervals.

Is BMW F80 M3 fast?

BMW M3 F80 puts 550 horsepower to work on Autobahn, hits 193 mph.

Is M3 expensive to maintain?

How Frequently Does a Bmw M3 require maintenance? Overall – the Bmw M3 has yearly car maintenance costs total to $1,161 .

How much boost can a stock S55 handle?

Nonetheless, the S55’s max boost on stock turbos is as follows: ~30 PSI max boost. 25-26 PSI “safe” limit.

How much HP does a Stage 2 M4 have?

Stage 1 Tune up to 549 HP, Stage 2 up to 585 HP, Stage 3 up to 613 HP. CarBahn Competition performance upgrades are are designed to deliver the highest safe output possible.

Is BMW S55 twin turbo?

The S55 is essentially a strengthened version of the N55. While the N55 from BMW is equipped with only one turbocharger with “TwinPower” technology (a turbo-charger that is driven twice by two separate exhaust manifolds), the S55 has two classic turbochargers.

What year M3 has S55?

In late 2013, BMW introduced the S55 on the F80 M3 and F82 M4, and the engine eventually made its way onto the F87 M2 Competition/CS.

What is the difference between N55 and S55?

The biggest difference though is how everything is cooled, the S55 mill having a closed-deck block while the N55 has an open-deck design. That means the block of the S55 can take more abuse and still run efficiently.

Is the S55 closed deck?

The s55 engine block is of a closed deck designed to deal with high cylinder pressures cylinderMore The s55 engine block is of a closed deck designed to deal with high cylinder pressures cylinder walls are coated with a wire arc sprayed on coating instead of liners to help reduce weight.

Is B58 engine in a M140i?

What’s odd is that the BMW M140i, which is an older can than the M2 Competition, actually has a new engine, BMW’s B58 engine, which powers current cars like the M340i and X3 M40i. The old S55 engine is more powerful but the B58 is more effective than its specs suggest and is actually better to use.

How much power can a B58 handle?

B58 Engine Limits – Simple Answer. The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals.

How long do B58 engines last?

How long an engine will last is always a tough topic. There’s no right answer, but in general the B58 should last as long as you’re willing to continue repairs and standard maintenance. The internals and design are plenty strong to surpass 200,000 miles.

Is N55 better than N54?

N55 Reliability: Which Engine is More Reliable? This is always a touchy subject when it comes to discussions about the N54 and N55. Simply put, the N55 is more reliable. BMW’s N54 was the first mass production turbocharged gasoline engine produced by BMW in decades.

How much HP can the N55 handle?

The N55 can handle around 550whp and 550wtq on the stock engine block and internals.

Is the N55 twin turbo?

The main difference between N54 and N55 is the type of turbocharger used in each engine. Its N54 engine uses twin turbos, while the N55 uses a single turbo with a twin-scroll exhaust. A twin-scroll turbocharger is a standard turbocharger but splits its exhaust housing into two.

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