Bmw s55 engine

The S55 debuted in and was the first mass-produced M Division engine with a turbocharger. However, devotees had nothing to complain about because the S55 was a fantastic engine and a good basis for the forced-induction engines that would likely power the M vehicles in the near future. Bmw s55 engine all you need to know about the BMW S

Its demise came at the hands of the S55 — the first mass-produced M Division engine to feature a turbocharger. The introduction of the S55 was a considerable step away from the kind of engines that typically powered a BMW M car. However, enthusiasts were left with little reason to complain as the S55 was a phenomenal engine and a solid foundation for the forced-induction engines that are likely to power the M cars in the immediate future. Although based on the N55, the S55 shares little in common. Yes, figures like the 84 mm bore,

Bmw s55 engine

The S55 was introduced in in the F80 M3 and F82 M4 models, based on the single-turbo N55 but with a raft of changes on board. Since its launch, it has found its way into the F87 M2 Competition in a slightly de-tuned form, as well as in slightly higher states of tune in the Competition and CS versions of the M3 and M4, while the hottest version was fitted in the M4 GTS. After almost 30 years of high-revving, naturally aspirated engines spread across four generations of M3, with fours, sixes and eights found beneath their bonnets, the move to turbocharged power for the F8x generation of M3 and M4 was never going to be a popular one, but it was inevitable and very much a sign of the times. Spare a thought for both BMW and the S55 — the company and its new engine had an almost impossible act to follow, that being the mighty S65 V8. The S55 that emerged may not have seemed all that impressive at first glance, seeing as it was based on the much-used N55 that had featured in numerous BMWs. At 84mm and The S55 makes just 11hp more than the S65, though it is produced much lower down the rev range between rpm, making it more accessible. The move to forced induction did mean that the S55 was rather better endowed than the S65 in the torque department. Where the naturally aspirated V8 had to make do with lb ft, the same as the N55, the twin-turbo S55 develops a meaty lb ft from rpm, giving it some monster mid-range punch. The engine also employs direct injection, Valvetronic, and double-VANOS and uses a closed-deck crankcase design, which increases rigidity and allows cylinder pressure to be increased for maximum power. Instead of cylinder liners, the cylinder bores of the S55 feature a twin wire arc-sprayed coating, which helps reduce engine weight. The S55 features a high-performance cooling system, with a large chargecooler with additional radiators for the water circuits, turbocharger and transmission oil, while an electric coolant pump cools the turbos when you turn the engine off.

The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors, bmw s55 engine. You may also like This will help to identify any potential problems with the engine.

BMW Engines. Horatiu Boeriu. The BMW S55 engine had a short life, but it left a long lasting impression on the M owners community. The BMW S55 engine is actually the performance version of the popular N55 engine , which debuted in as the first mass-produced engine to feature a twin-scroll turbocharger. The S55 is a 3.

I agree to the processing of my data in accordance with the conditions set out in the policy of Privacy. As the BMW S55 engine gets older, we are learning more and more about long-term reliability, common problems, and important preventative maintenance. It's no secret that aging high-performance BMWs need more maintenance than your average vehicle. Many older BMWs, especially M cars, have acquired quite a poor reputation for dependability - particularly when the miles start to stack up. But we don't think it's always deserved. Sure, there are a few examples such as the rod bearings found in the BMW E60 M5's S68 V10 that would wear prematurely, fail, and cause catastrophic engine failure.

Bmw s55 engine

The BMW N55 is a turbocharged straight-six petrol gasoline engine that began production in The N55 was BMW 's first straight-six engine to use a twin-scroll turbocharger. It also won three straight Ward's 10 Best Engines awards in — The main differences between the N55 and its N54 predecessor are the use of a single turbocharger, the addition of Valvetronic and the type of fuel injectors.

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The oil pan gasket on the S55 is another component carried over from the N Cookie policy I agree to the processing of my data in accordance with the conditions set out in the policy of Privacy. The S55 was manufactured in multiple iterations over its lifespan. Facebook Pinterest Twitter E-mail. We get behind the wheel. Lastly, the bottom of the crankcase has ventilation holes that bridge two sets of three cylinders for optimum pressure equalization. In fact, the issue did make its way onto the S As with many modern BMW engines, the S55's valve cover gasket is prone to cracking and leaking oil. This engine was the first M3 engine to feature turbocharging - quite controversial at the time. The S55 engine was replaced by the S58 engine in Please, add your first item to the wishlist. Tesla Model 3. Its demise came at the hands of the S55 — the first mass-produced M Division engine to feature a turbocharger. An easy way to avoid this issue is to change the parts at regular intervals. BMW S55 engine common problems 1.

Its demise came at the hands of the S55 — the first mass-produced M Division engine to feature a turbocharger. The introduction of the S55 was a considerable step away from the kind of engines that typically powered a BMW M car. However, enthusiasts were left with little reason to complain as the S55 was a phenomenal engine and a solid foundation for the forced-induction engines that are likely to power the M cars in the immediate future.

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated race only and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. When we opened up the engine, we found water had gone through the car's intake system and bent a conrod. There is no need to remove the engine to install this upgrade - simply drop the radiator in order to gain adequate access to install. M GmbH engineers also created a cooling system that contains a primary radiator as well as an extra radiator for the low- and high-temperature circuits. Some owners report leaks as early as 60, miles, but with appropriate care, you should reach close to , miles before you need to replace the oil. This issue, too, stems from similar problems faced by the N Similarly, an oil extraction pump ensures consistent oil flow even during aggressive acceleration and deceleration. Volksworld Plus Tickets Now Available. However, this happens over time when the rubber valve gasket wears out and cracks. The S55 that emerged may not have seemed all that impressive at first glance, seeing as it was based on the much-used N55 that had featured in numerous BMWs. However, they also increase emissions and may trigger check engine lights or fail emissions tests. Your cart is empty Start shopping. If you ensure your oil level remains optimum and fix the issue as soon as possible with a replacement valve cover gasket , you'll come away with not too much of a bill. However, because most of the internals on the S58 are identical to those on the S55, many of the S55's issues — which we'll discuss below — are likely to be carried over to the S However, there are some differences between the two in terms of performance and dependability.