The BMW 2.5 3.0 Timing Adjustment Tool Kit N51 N52 N52K N53 N54 is designed for timing adjustment at the TDC position.

It is used for N51, N52, N52K engines with Valvetronic system, as well as for N53, N54, and N55 engines with TwinPower Turbo system.

Suitable for:

• Series 1: 128i E82 (07-10); 130i E81; 130i E87 (05-08) / 135iS E82 (07-10).
• Series 3: 323i E90 / 91/92/93 (04-10); 325i / xi E90 / 91/92/93 (04-10); 328i / xi E90 / 91/92/93 (04-08); 330i / xi E90 / 91/92/93 (04-10); 335i / xi E90 / 91/92/93 (05-09).
• Series 5: 523i / Li E60 / 61 (04-10); 525i / Li / xi E60 / 61 (04-10); 528i / xi E60 / 61 (06-08); 530i / Li / xi E60 / 61 (05-10); 535i / xi E60 / 61 (05-10).
• Series 6: 630i E63 / 64 (04-08).
• Series 7: 730i / Li E65 / 66 (04-08).
• Z4 - 2.5 / 3.0 E85 / 86 (05-10).
• X3 - 2.5 / 3.0 E83 (06-10).
• X5 - 3.0 E70 (06-10).

Engine type:

• N55B30A, B30A / M0, B30A / O0, B30M0, B30MO, B300O.
• Series 1: 135i E81 / 82/87/88 (10-14), M135i / xDrive F20 / 21 (12-14), X1 2.8i xDrive E84 (11-14).
• Series 3: 335i E90 / 91/92/93 (09-14), 335i / xDrive F30 / F31 (12-14).
• Series 5: 535i / xDrive F10 / 11 (10-14), ActiveHybrid 5 F10 / 11 (11-14), GT 535i / xDrive F07 (09-14).
• Series 6: 640i F12 / 13 (11-14).
• X3 xDrive 35i F25 (11-14).
• X5 xDrive 35i E70 (10-13).
• X6 xDrive 35i E71 / 72 (09-14).

Reference number: S-BBN4

GBT S-BBN4