We Review the E46 BMW M3 Engine

E46 BMW M3 S54 3.2l Engine Overview

The S54 engine is a 3.2-litre inline-six petrol engine which was produced from 2001 to 2006. It was originally installed in the E46 M3, Z3 M Roadster/Coupe, and Z4 M. It is the successor to the S50 engine and was replaced by the S65 engine.

The S54 features individual throttle bodies, forged internals, a VANOS variable valve timing system on both intake and exhaust camshafts, Double-VANOS (which varies timing continuously), and six individual coil packs. It produces 333bhp at 7,900rpm in standard form for North America. For Europe it produces 343bhp at 7,900rpm due to different fuel quality and slightly different engine management programming. The redline is 8,000rpm. The torque output for both markets is 269lbft at 4,900rpm.


* 2001–2002 BMW Z3 M Coupe (in North America only)

* 2001–2003 BMW Z3 M Roadster

* 2002–2006 BMW Z4 M

* 2003–2004 BMW X5 4.6is

* 2004–2006 BMW X3 3.0i (M54B30 engine)

* 2005–2008 Jaguar XK8/XKR (with It was used in the E46 M3. The engine featured individual throttle bodies, double VANOS variable valve timing and a forged crankshaft. It produced 338 horsepower and 269 lb⋅ft of torque.

The engine was replaced by the S65 engine in 2007.

6 Reasons to own an E46 BMW M3 Engine

There are plenty of reasons to own an E46 M3, and here are just a few.

First of all, they’re incredibly fun to drive. With their powerful engines and excellent handling, they’re a blast to zip around in.

Secondly, they’re very stylish cars. They have a classic look that’s always in fashion.

Thirdly, they’re extremely reliable. You can count on your E46 M3 to get you where you need to go, time and time again.

Fourth, they’re great value for money. Even used models are relatively affordable, making them a great option for budget-minded buyers.

Fifth, they offer superb performance. Whether you’re looking for speed or agility, the E46 M3 has it in spades.

Finally, they have a strong resale value. If you ever decide to sell your E46 M3, you can be sure you’ll get a good return on your investment.

Most Common BMW E46 M3 Problems

The most common BMW E46 M3 problems are:

  • Engine overheating
  • Water pump failure
  • Radiator leaks
  • Thermostat failure
  • Head gasket failure

These problems can all lead to engine damage if not addressed in a timely manner. Be sure to keep an eye on your coolant level and check for leaks regularly.

The BMW E46 M3 is a great car, but like all cars, it has its share of common problems. Some of the most common BMW E46 M3 problems include engine issues, suspension problems, and electrical issues. Thankfully, most of these problems can be fixed relatively easily and without too much expense. However, some issues, like engine problems, can be more serious and expensive to fix. If you own an E46 M3, it’s important to be aware of the most common problems so that you can keep an eye out for them and get them fixed as soon as possible if necessary.

How to Performance Tune the E46 M3 Engine

BMW’s E46 M3 engine is a high performance engine that is capable of reaching high speeds. However, this engine can also be tuned to increase its power and performance. There are a few things that you need to do in order to performance tune the E46 M3 engine.

First, you need to install a performance air intake system. This will help the engine to breathe better and make more power.

Second, you need to install a performance exhaust system. This will also help the engine to breathe better and make more power.

Third, you need to install a performance camshaft. This will help the engine to make more power and perform better at high speeds.

Fourth, you need to install a performance fuel system. This will help the engine to make more power and run more efficiently.

Fifth, you need to install a performance ignition system. This will help the engine to make more power and perform better at high speeds.

BMW M3 E46 S85 V10 Swap

There are a few things you need to know about the S85 engine that comes in the E46 M3.

First, is that this engine was never available in any other BMW car. This is because it was designed from the ground up as a performance engine for the M3 and nothing else. Second, this engine makes an incredible amount of power. In fact, it is rated at 500 horsepower and 380 lb-ft of torque from the factory. That is a lot of power for a 3.2L engine.

The S85 engine is also very rare. Less than 8,000 were ever made and they were only produced for a few years. This means that finding one for sale can be difficult and they can be very expensive.

If you want to swap an S85 into your E46, it is possible. However, it will require some custom work. You will need to get an S85 engine mount kit and a custom ECU tune. It is also recommended that you upgrade your cooling system and brakes to handle the extra power.

The BMW M3 E46 S85 V10 Swap is one of the most popular engine swaps for the BMW M3. The S85 engine is a high-revving V10 that produces incredible power and torque. It’s a popular swap for those who want to increase the performance of their M3, and it’s also a great way to add some extra excitement to your driving experience.