Quick Reference
88-103 ft-lb
Lug Nut Torque
32-42 PSI
Tire Pressure
5.3-6.9 qt
Oil Capacity
17mm
Lug Nut Socket
BMW 3 Series Tire Pressure (PSI)
Recommended tire pressure for BMW 3 Series models. Always verify with the door jamb sticker as specs vary by wheel size.
| Year Range | Model | Front PSI | Rear PSI | Run-Flat |
|---|---|---|---|---|
| 2023-2025 | 330i (18" wheels) | 35 | 35 | Yes |
| 2023-2025 | 330i xDrive (19" wheels) | 36 | 38 | Yes |
| 2023-2025 | M340i/M340i xDrive | 36 | 42 | Yes |
| 2023-2025 | M3/M3 Competition | 37 | 42 | Yes |
| 2019-2022 | 330i (18" wheels) | 32 | 35 | Yes |
| 2019-2022 | 330i xDrive (19" wheels) | 35 | 38 | Yes |
| 2019-2022 | M340i/M340i xDrive | 36 | 42 | Yes |
| 2016-2018 | 320i/330i (17" wheels) | 32 | 32 | Yes |
| 2016-2018 | 340i/340i xDrive | 35 | 38 | Yes |
| 2012-2015 | 328i/335i (17" wheels) | 32 | 32 | Yes |
| 2012-2015 | 328i/335i (18-19" wheels) | 33 | 36 | Yes |
| 2006-2011 | 328i/335i (E90) | 32 | 35 | Yes |
Run-Flat Tire Note: Most 3 Series come with run-flat tires (RFT). Pressure is critical - check monthly. No spare tire included. Larger wheels require higher pressure.
BMW 3 Series Lug Nut Torque Specs
| Year Range | Model | Torque (ft-lb) | Torque (Nm) | Socket Size |
|---|---|---|---|---|
| 2019-2025 | 330i/M340i (G20) | 103 | 140 | 17mm |
| 2019-2025 | M3 (G80) | 103 | 140 | 17mm |
| 2012-2018 | 320i/328i/340i (F30) | 88 | 120 | 17mm |
| 2006-2011 | 328i/335i (E90) | 88 | 120 | 17mm |
Torque Pattern: Use a star/cross pattern. Tighten in 3 stages (30, 65, final spec). BMW uses 17mm lug bolts (not nuts). Always replace if damaged.
BMW 3 Series Oil Capacity
| Year | Engine | Capacity (qt) | Capacity (L) | Oil Type |
|---|---|---|---|---|
| 2023-2025 | 2.0L Turbo (330i B48) | 5.3 | 5.0 | 0W-30 |
| 2023-2025 | 3.0L Turbo I6 (M340i B58) | 6.9 | 6.5 | 0W-30 |
| 2021-2025 | 3.0L Twin-Turbo I6 (M3 S58) | 6.9 | 6.5 | 0W-40 |
| 2019-2022 | 2.0L Turbo (330i B48) | 5.3 | 5.0 | 0W-30 |
| 2019-2022 | 3.0L Turbo I6 (M340i B58) | 6.9 | 6.5 | 0W-30 |
| 2016-2018 | 2.0L Turbo (320i/330i B46) | 5.3 | 5.0 | 5W-30 |
| 2016-2018 | 3.0L Turbo I6 (340i N55) | 6.9 | 6.5 | 5W-30 |
| 2012-2015 | 2.0L Turbo (328i N20) | 5.3 | 5.0 | 5W-30 |
| 2012-2015 | 3.0L Turbo I6 (335i N55) | 6.9 | 6.5 | 5W-30 |
| 2007-2011 | 3.0L N/A I6 (328i N52) | 6.9 | 6.5 | 5W-30 |
| 2007-2011 | 3.0L Twin-Turbo I6 (335i N54) | 6.9 | 6.5 | 5W-30 |
Oil Grade: Use BMW LL-01 or LL-04 certified oil. Synthetic required. N54/N55 engines: check for oil leaks. B48/B58 are more reliable. M3 S58: requires high-performance 0W-40.
Additional 3 Series Specs
Spark Plug Specs
| Engine | Torque (ft-lb) | Gap | Replacement |
|---|---|---|---|
| 2.0L Turbo (B48) | 15 | 0.028" | 30,000 mi |
| 3.0L Turbo I6 (B58) | 18 | 0.024" | 60,000 mi |
| 3.0L Twin-Turbo (S58 M3) | 18 | 0.024" | 30,000 mi |
| 2.0L Turbo (N20) | 15 | 0.035" | 37,000 mi |
Drain Plug & Filter Torque
| Component | Torque (ft-lb) |
|---|---|
| Oil Pan Drain Plug | 18-22 |
| Oil Filter Housing Cap | 18 |
Maintenance Intervals
| Service | Interval |
|---|---|
| Engine Oil & Filter | 10,000 mi or 1 year |
| Brake Fluid | 24 months |
| Air Filter | 30,000 mi |
| Cabin Filter | 15,000 mi |
| Coolant | 100,000 mi |
Maintenance Guides for Your Bmw 3 Series
Step-by-step guides for common maintenance tasks on your Bmw 3 Series.
Check Tire Pressure
Maintain optimal PSI for safety and fuel economy
Torque Lug Nuts Properly
Avoid damage with correct torque specs
Change Your Oil
Complete DIY oil change guide with tools needed
Rotate Your Tires
Extend tire life with proper rotation patterns
Check Transmission Fluid
Ensure smooth shifting and transmission health
Test Your Battery
Prevent dead batteries with regular testing
More Guides: Visit our complete how-to guide library for brake repairs, electrical system diagnostics, seasonal maintenance, and more.
Recommended Tools & Parts for Bmw 3 Series Maintenance
Essential tools and parts for maintaining your Bmw 3 Series. As an Amazon Associate, we earn from qualifying purchases.
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