0% APR · Interest-free finance · Apply in under 2 mins · Spread over 3, 4 or 6 months · BMW & VAG Specialists · Warrington · UK-wide · No hidden fees · Clear terms · 0% APR · Interest-free finance · Apply in under 2 mins · Spread over 3, 4 or 6 months · BMW & VAG Specialists · Warrington · UK-wide · No hidden fees · Clear terms ·
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DC Remapping UK
BMW N57 30D Specialists

BMW 30D Stage 1 Custom Dyno Tuning

Custom Dyno Tune & xHP Gearbox Software

The N57 30d is one of BMW's most capable diesel engines — but it leaves significant performance on the table from the factory. Our custom live dyno calibration transforms it into a genuinely rapid machine.

Book This Month's Offer → ↓ See Pricing Below
326
BHP Stage 1
686
NM Torque
1000+
N57s Tuned
BMW 430d dyno results
⚙ 4WD Linked Dyno
★ #2 xHP Dealer Worldwide
✓ Full MOT Compliance
◎ No Generic Files
◆ Sub-5s 0–60 Possible

The Platform

BMW N57
30D Engine

The 3.0-litre straight-six single turbo diesel controlled by the Bosch ECU, paired with the ZF8 automatic transmission. BMW quotes 258bhp and 560Nm — on our 4WD dyno we typically see 250–260bhp and 550–560Nm from stock.

3.0L
Straight-Six
Single
Turbo Diesel
ZF8
Auto Gearbox
xDrive
4WD (Most Models)
Covers: BMW 330d · 430d · 530d · X3 30d · X5 30d · X6 30d (F-Series)
BMW 430d on dyno

Tuning Options

Choose Your Stage

All remaps are built live on our 4WD linked rolling road — custom-calibrated to your exact car on the day, not a generic file from a database.

MOST POPULAR
Stage 1 ECU Remap
No hardware mods required
330bhp
Up to
710Nm
Up to
  • ✓
    Custom live dyno calibration — built on your car
  • ✓
    Before & after dyno printout included
  • ✓
    Full health check before tuning begins
  • ✓
    Factory emissions systems kept intact
  • ✓
    Full MOT compliance maintained
  • ✓
    Sharper throttle, stronger midrange
From £449
inc. VAT · standalone
Get a Quote →
Stage 2 ECU Remap
Supporting hardware required
340bhp
Up to
730Nm
Up to
  • ✓
    Everything in Stage 1
  • ✓
    Mod required: DPF removal — off road use only
  • ✓
    Bespoke setup tailored to your build
  • ✓
    Maximum safe power extraction
  • ✓
    Fully dyno-developed and verified
  • ✓
    Quoted per vehicle and setup
POA
Call or WhatsApp: 01925 819002
Enquire Now →

Best Value Package

Engine +
Gearbox
Package

The most popular combination we offer. ECU and gearbox tuned together as one synchronised system — delivering a driving experience that neither can achieve alone.

Save
£125
when booked together
  • ✓
    Stage 1 ECU RemapCustom live dyno calibration. Before & after printout included.
  • ✓
    xHP Gearbox Tune (Stage 2)Launch control, faster shifts, torque limits raised to match engine output.
  • ✓
    Pre-tuning health checkFull diagnostic scan included as standard — no extra charge.
£774
£649

inc. VAT · Save £125 vs individual pricing
Book before end of month · Usable within 60 days

Get a Quote → Book Now

Official xHP Dealer

xHP Gearbox
Tuning (ZF8)

The ZF8 automatic gearbox across the 30d lineup is an exceptionally capable transmission — and when paired with xHP software, it transforms completely. Available in Stage 1, 2, and 3.

  • ✓
    Faster, sharper gear changesShift speed dramatically reduced across all driving modes.
  • ✓
    Torque limit removalGearbox calibrated to properly handle Stage 1 and Stage 2 power output.
  • ✓
    Launch control unlockedCustom launch RPM for consistent, repeatable performance starts.
  • ✓
    The gearbox can handle up to 900NmPerfectly suited to both Stage 1 and Stage 2 engine calibrations.
View xHP Options →
#2
Worldwide xHP Dealer Ranking
ST1
Shift optimisation
ST2
Launch control
ST3
Max performance

Compatible with ZF8 automatic gearboxes across the entire BMW 30d range. From £299 inc. VAT. Best results when combined with a Stage 1 ECU remap.

Dyno Tuning & Safety

Every Tune Done Right

We don't flash files and send you on your way. Every BMW 30d is tuned live on our 4WD rolling road with full diagnostics before we touch a single parameter.

🔍
Full Diagnostics First
Comprehensive diagnostic scan, live data check, and health assessment before any tuning begins. If there's a problem, we'll find it and tell you honestly.
📊
4WD Linked Rolling Road
Every xDrive BMW is tuned on our mechanically linked 4WD dyno — not a 2WD roller that stresses the transfer box. Accurate, real-world results every time.
📄
Before & After Printout
You receive a dyno graph showing your exact stock and tuned figures. Real numbers — not estimated gains or marketing claims.

What Our Customers Say

5.0
★★★★★
240+ Google Reviews
★★★★★

"Had my BMW 420i remapped and gearbox software done. Customer service was great, and any questions I asked they were more than happy to explain. Completely transformed the car."

JW
Jamie Wilson
BMW 420i
★★★★★

"I booked in with my 335d touring after reading the good reviews. The stage 1 and gearbox map has completely transformed the car. Completely different beast — couldn't be happier."

GH
Gary Haines
BMW 335D
★★★★★

"After a terrible flash map elsewhere I needed a proper custom tune. I am unbelievably happy with the results. Dan took his time to get it absolutely right. The car is a different animal."

RH
Richard Houghton
BMW 120D
View all 240+ reviews on Google →

Ready to Unlock Your 30D?

Get a free quote in minutes — enter your registration and see exactly what your car can achieve.

Get a Free Quote → Book Now
0% Finance Available
3, 4 or 6 months
Approved in under 2 minutes
No hidden fees
Apply Now →