3.5 bar TMAP sensor for the N54 - the boost pressure and air temperature sensor in the charge pipe, in the higher-range version from BMW's N20.
Part number
| BMW part | 13 62 8 644 433 (13628644433) - earlier number 13 62 7 843 531 |
|---|---|
| BMW name | Pressure sensor, 3.5 bar |
| Per car | 1 - in the charge pipe |
BMW uses it on: 1 Series F20, F21 · 2 Series F22, F23, F87 M2 · 3 Series F30, F31, F34, F80 M3 · 4 Series F32, F33, F36, F82, F83 · plus many 5, 6, 7 and 8 Series, X and Z4 models.
Details
- On the N54: replaces the stock charge-pipe sensor, BMW 13 62 9 797 773, and reads boost up to about 36 psi
- Needs: a tune set up for a 3.5 bar sensor, so the ECU reads it correctly
- Plug: the N20 sensor's connector differs from the N54's - most installs use an adapter pigtail
- Unit pictured: Continental-made, marked BMW 7843531 - branding and markings can vary by batch; part number and function are the same
- Sold as: a single sensor
- Shipping: from the Greater Toronto Area - local pickup available
Install video
Video credit: Vehicular DIY on YouTube.
Availability
In stock in the Greater Toronto Area. Ships the next business day, and local pickup is available.
Not sure it is the right part? Send us a photo of the old one at facebook.com/6ixn54 and we will check.
3.5 Bar TMAP Sensor
- Product Code: N54TMAP
- Availability: In Stock
- $99.99
-
$79.99
Tags: bar, tmap, sensor, performance & maintenance, performance mods, E82, E88, E90, E92, E93, E60, E61, F02, F01, E71



