With our engine tuning you can tap into your BMW's power reserves and enjoy your engine's potential on a whole new level. RaceChip offers performance improvement with our chip tuning for almost all BMW models. Whether saloon, coupĆ© or convertible, Touring, Gran CoupeĆ© or Gran Tourismo, X, Z or M, we surely have something available for you. N52 Intake Manifold Horsepower Gains: ~20hp (328i) and ~30-35hp (325i) Buy Here: N52 330i 3-Stage Intake Manifold. 2. BMW N52 Performance Mods ā€“ Intake Upgrade. The second N52 mod weā€™re discussing is a performance intake. BMWā€™s N52 engine uses an intake designed to minimize noise rather than maximize airflow. Chip. Any chip, doesn't really matter. The Mark D'Sylva (sp?) chip is the most highly regarded. Chips are $2-300 and will gain you 15-20hp, as well make the car sharper, and raise the rev limit. They will also mandate that you run the car on premium fuel going forward, as much of this power gain comes from advancing ignition timing. Today, we're throwing my 1998 528i on the lift to inspect and diagnose what some of these common E39 issues are! We've got noises, rust, and warnings to take Chip Tuning Files Service has the ECU tuning files for your Bmw 3 Serie - Sedan 528i vehicle. Sedan 528i vehicle. This original chip tuning file will boost 1999-2000 E39 528i Stage 1 Performance Package. Peak Power Gain: +14hp / +11ft-lbs. Rev limit: 7000. Octane: 91 or higher. Our Stage 1 kit featuring a cold-air intake kit and matching performance software. The aFe intake is a cone filter with a heat-blocking shield around it. The larger surface area of the filter, combined with the heat shield the e36s are far easier to turbo, which is why there are many turbo e36s and extremely few e39 turbos. The e36s were obd1 which allows things like the war chip to exist. It isn't that easy with obd2, and people generally end up with a stand alone ecu. As far as all the high horsepower goodies, i personally am not going that far (yet). e39's, e30's, e46's, e53. Having owned both the 540 and 528/530, I would say go for the inline 6. You don't have quite as much power, but the 6's are cheaper to maintain and give much better mileage. You can't race on public roads anyway. (At least, you shouldn't) The inline 6's are not underpowered. Dyno-tuned by BMW tuning legend Jim Conforti, these chips are designed to make the most of high-octane (91+) pump gas and boost mid-range torque and high-RPM horsepower. To make the most of these improvements, the rev limit is raised, and fuel and spark maps are fine-tuned to make your BMW perform better than it did when it left the factory. We work with the best names in the software tuning business to offer a range of reliable and safe software tuning upgrades for BMW. In addition to our own custom BimmerWorld BMW software files, we also offer tuning by Epic Motorsports, Speed-Buster, Jim Conforti, Shark Injector, afe Power, and AEM. LVmh.