: Standard E36 limits are often raised from the factory ~6,500 RPM to ~7,000 RPM or higher, depending on the engine (e.g., M50 or M52).
: Higher rev limits and aggressive timing require a healthy engine to avoid damage. BMW E36 UNLOCKED VERSION 1.37
: Removing certain limiters or software checks may cause the car to fail local emissions tests. : Standard E36 limits are often raised from
: Version 1.37 typically includes adjustments to air-fuel ratios and ignition timing to squeeze more power out of stock hardware or common bolt-ons. Pros and Cons 500 RPM to ~7
: Bypasses the factory 250 km/h (155 mph) electronic speed limiter.
: Can be installed in minutes (some users report under 20 minutes ).