We review the best mods and power upgrades for your E39 from intake, exhaust, remaps and suspension mods to improve your E39's handling and performance.

Even though never fitted to the E39, Genuine BMW Sirius XM and auxiliary input kits can be retrofitted to any E39 M5. I wrote a very detailed, in-depth article about all of this, which I encourage those of you who are interested to read here .

2019年10月17日 · Finally, the last change we suggest is to upgrade your front bumper. The 540i front fascia doesn’t quite hint at the powerful V8 under the hood. With an M5-style bumper, you can give your E39 the classic underbite and more aggressive looks that …

Find BMW E39 Parts from our Top Brands. As your BMW gets on in years, staying ahead of the maintenance and upgrading to higher-performance components becomes more critical. Source your E39 parts and accessories here from the best manufacturers anywhere who cater to …

2018年1月5日 · M5Board is the best forum community for information on the BMW M5 E60 (V-10), E39 (V-8), E34 (straight 6), E28, F90 and F10. Discuss performance, specs, reviews and more!

2023年8月3日 · Best and cheapest performance mods? Just keep up with maintenance. A bad O2, cam or crank sensor, MAF, coils or vacuum leaks can severely hinder performance. You will want to get as close to the original 190-ish hp as possible. In a 525i you will feel every single lost horse. Go to a dyno and get a baseline first.

Some on my list already are M5 front bumper, lowering springs, and new wheels and tires. Is there any notable engine swaps or mods I can do? What…

2013年4月24日 · One of the best changes is replacing the rear sway bar with the M5 RSB. This is a 30 min DIY swap and costs about $150. This will increase oversteer. Since the car is designed for understeer, the net result is more neutral handling with no tradeoff in ride quality. +1 on everything stated here.

2010年1月19日 · Since I am one of the stock E39 M5 owners here, just wondering what you all think would be the top mods in terms of "best bang for you buck" in improving performance and/or looks. I tried to search this subject in the forum but could not find any results.

Check out our widebody kits, aero, and performance parts - level up your BMW E39! 🔥.